| a nationwide survey of ixodid tick species recovered from domestic dogs and cats in japan in 2011. | a nationwide survey of ixodid ticks was performed in 2011, during which a total of 4237 and 298 ticks were recovered from 1162 dogs and 136 cats, respectively. haemaphysalis longicornis was the most frequently found tick species on canine hosts (739 dogs), followed by h. flava (166), ixodes ovatus (139), and rhipicephalus sanguineus sensu lato (70). h. hystricis, h. japonica, h. megaspinosa, h. formosensis, h. campanulata, h. ias, i. nipponensis, i. persulcatus, and amblyomma testudinarium were ... | 2014 | 25155339 |
| prospects of using dna barcoding for species identification and evaluation of the accuracy of sequence databases for ticks (acari: ixodida). | ticks are important vectors of disease and parasites of livestock. species identification of ticks has been traditionally based on morphological characters, which is usually limited by the condition of samples and little variation among specimens, so a rapid and reliable identification method is needed. dna barcoding uses a standard fragment of the mitochondrial gene cytochrome oxidase c subunit i (coi) to identify species and has been successfully used in many taxa. in this study, we applied dn ... | 2014 | 24656809 |
| [detection of rickettsia andeanae in two regions of chile]. | candidatus 'rickettsia andeanae' is recently recognized specie, with no attributed pathogenic role so far. it has been reported in amblyomma ticks from peru, usa and argentina, and recently in chile, in one specimen of amblyomma triste from a rural locality in arica. | 2013 | 24248107 |
| ticks of australia. the species that infest domestic animals and humans. | the book australian ticks by f.h.s. roberts (1970) is a land-mark in australian tick biology. but it is time for a new and improved book on the ticks of australia. the present book has identification guides and accounts of the biology and diseases associated with the 16 species of ticks that may feed on domestic animals and humans in australia. these comprise five argasid (soft) ticks: argas persicus (poultry tick), argas robertsi (robert's bird tick), ornithodoros capensis (seabird soft tick), ... | 2014 | 24943801 |
| tick (acari: ixodidae) infestations in cattle along geba river basin in guinea-bissau. | tick infestations are a major problem for animal production in tropical areas where prevention and control remain deficient. the present study sought to assess the awareness of traditional cattle producers towards the importance of ticks and aimed at the identification of tick species infesting bovines within the geba river basin, guinea-bissau. interviews with producers revealed that the majority directly correlates the presence of ticks with the occurrence of diseases in cattle. however, insuf ... | 2017 | 27825658 |
| tick species (acari: ixodida) in antalya city, turkey: species diversity and seasonal activity. | ticks (acari: ixodida) are an important group of ectoparasites of vertebrates. most species are known vectors of diseases including lyme disease, q fever, and crimean-congo hemorrhagic fever. a 3-year research was conducted in antalya, turkey, to determine tick species composition, seasonal abundance, and spatial distribution. the study was carried out in five districts (aksu, dosemealtı, kepez, konyaaltı, and muratpasa) of antalya metropolitan municipality area in turkey, between may 2010 and m ... | 2015 | 25869959 |
| tick pests and vectors (acari: ixodoidea) in european towns: introduction, persistence and management. | ticks have always been a part of fauna in and around human settlements, and their significance changed concurrently with the enlargement of settlements and their transformation into towns. the increased rate of urbanization during the last decades has created a new reality for tick existence. two groups of ticks are of major concern for modern towns: those living under natural conditions of urban surroundings and those well-adapted to urban conditions. during the process of urbanization, encroac ... | 2014 | 24183576 |
| the effects of neem oil (azadirachta indica a. juss) enriched with different concentrations of azadirachtin on the integument of semi-engorged rhipicephalus sanguineus sensu lato (acari: ixodidae) females. | several studies searching for methods to control rhipicephalus sanguineus s.l., (dog tick) infestations have been developed aiming to minimize the damages caused by these ectoparasites to the hosts and the environment, which is harmed by the indiscriminate use of toxic acaricide products. in this scenario, neem oil has been used as a natural alternative against ticks, once this chemical has repellent properties and interferes in the growth regulation of these ectoparasites, inhibiting ecdysis. t ... | 2017 | 28370810 |
| morphological alterations in salivary glands of rhipicephalus sanguineus ticks (acari: ixodidae) exposed to neem seed oil with known azadirachtin concentration. | neem (azadirachta indica) has attracted the attention of researchers worldwide due to its repellent properties and recognized effects on the morphology and physiology of arthropods, including ticks. therefore, this study aimed to demonstrate the effects of neem seed oil enriched with azadirachtin on salivary glands of rhipicephalus sanguineus ticks, targets of great veterinary interest because of their ability to transmit pathogens to dogs. for this, r. sanguineus semi-engorged females were subj ... | 2016 | 26852009 |
| morphological effects of neem (azadirachta indica a. juss) seed oil with known azadirachtin concentrations on the oocytes of semi-engorged rhipicephalus sanguineus ticks (acari: ixodidae). | the concern about the harmful effects caused by synthetic pesticides has led to the search for safe and ecological alternatives for pest control. in this context, the neem tree (azadirachta indica) stands out due to its repellent properties and effects on various arthropods, including ticks. for this reason, this study aimed to demonstrate the potential of neem as a control method for rhipicephalus sanguineus ticks, important vectors of diseases in the veterinary point of view. for this, r. sang ... | 2015 | 25346198 |
| morphological alterations in the synganglion and integument of rhipicephalus sanguineus ticks exposed to aqueous extracts of neem leaves (azadirachta indica a. juss). | currently, the necessity of controlling infestation by ticks, especially by rhipicephalus sanguineus, has led researchers and public health managers around the world to search for new and more efficient control methods. this way, we can highlight neem (azadirachta indica a. juss) leaf, bark, and seed extracts, which have been very effective on tick control, and moreover causing less damage to the environment and to the host. this study showed the potential of neem as a control method for r. sang ... | 2014 | 25130979 |
| rhipicephalus sanguineus (acari: ixodidae) female ticks exposed to castor oil (ricinus communis): an ultrastructural overview. | tick control has been accomplished through the use of synthetic acaricides, which has created resistant individuals, as well as contaminating the environment and nontarget organisms. substances of plant origin, such as oils and extracts of eucalyptus and neem leaves, have been researched as an alternative to replace the synthetic acaricides. ricinoleic acid esters from castor oil have recently been shown as a promising alternative in eliminating bacterial contamination during ethanol fermentatio ... | 2013 | 23086445 |
| ectoparasites of livestock, dogs, and wild rodents in the chittagong hill tracts in southeastern bangladesh. | a large variety of ectoparasites parasitizing on livestock, dogs, and rodents are documented throughout the world, of which several are proven vectors for major (including zoonotic) diseases affecting humans and/or livestock. however, there remains a significant lack of knowledge in regard to the ectoparasite fauna in remote regions of the developing world, such as southeastern bangladesh, and an urgent need to investigate this fauna to improve diagnostic options. in the course of the present st ... | 2012 | 22576854 |
| status of tick infections among semi-wild cattle in arunachal pradesh, india. | to explore the seasonal prevalence of tick infections in mithun (bos frontalis) and yak (b. grunniens) a study was conducted in papum pare district, kurung-kumey district and west kameng district of arunachal pradesh, india from december 2012 to november 2014. adult ticks were collected from both the animals during the month of december 2012 to november 2014. ectoparasites were identified on the basis of their morpho-anatomical features observed through light microscope. a total of nine differen ... | 2017 | 27614479 |
| molecular and functional characterization of bm05br antigen from rhipicephalus microplus. | rhipicephalus microplus is a cattle-specific tick, causing considerable losses in the livestock industry. the identification of molecules responsible for modulation of host defenses during different parasite stages can help in the development of alternative methods, such as vaccination, to control tick infestations. hq05, a protein of unknown function identified in the tick haemaphysalis qinghaiensis, induced a significant protective immune response when used as a vaccine in sheep. in the presen ... | 2017 | 28043800 |
| first report of amitraz and cypermethrin resistance in rhipicephalus sanguineus sensu lato infesting dogs in mexico. | engorged female rhipicephalus sanguineus sensu lato (ixodida: ixodidae) were collected from dogs in the state of yucatán, mexico. fourteen tick populations were collected from dogs at seven veterinary clinics, four residential homes and three cattle farms. the larval immersion test was used in the progeny of collected adult females to test susceptibility to amitraz and cypermethrin. dose-mortality regressions, 50% lethal concentrations (lc50 ), confidence intervals and slope were estimated by pr ... | 2017 | 27859488 |
| prevalence of ixodid ticks on cattle and sheep northeast of iran. | a survey was carried out to investigate the prevalence of hard tick species (acari: ixodidae) on cattle and sheep north of iran. the aim of study was to determine the prevalence of hard ticks on cattle and sheep in the mountainous areas of golestan province and their geographical distribution. a total of 26 ticks were collected from 22 infested cattle and 26 ticks were collected from 12 infested sheep during activating seasons of ticks in 2013-2014. the species collected from cattle and sheep we ... | 2016 | 27605782 |
| design of the ataq peptide and its evaluation as an immunogen to develop a rhipicephalus vaccine. | tick infestation may cause several problems including affecting domestic animal health and reducing the production of meat and milk, among others. resistance to several classes of acaricides have been reported, forcing researchers to search for alternative measures, such as vaccines against ticks, to ensure tick control while having no or at least low negative impacts on the environment and public health. however, the current commercially available vaccines in different strains of rhipicephalus ... | 2016 | 27084468 |
| [distribution of tick species spread in kütahya vicinity]. | this study was performed to determine the tick species infested to the cattle and small ruminants in kütahya province and their seasonal activity and prevalence. | 2015 | 26081885 |
| preliminary investigation on tick fauna in the neighborhood of tarquinia, lazio, italy. | this study represents a preliminary inquiry on tick fauna composition carried out in maremma, central italy, where very few data are available. | 2015 | 25857387 |
| ixodidae ticks in cattle and sheep in sistan and baluchestan province (iran). | this survey was conducted to investigate the presence and abundance of hard tick species (acari: ixodidae) on cattle and sheep in sistan and baluchestan province (iran). between 2010 and 2011, a total of 1,403 ticks was collected from 332 infested cattle and 1,480 ticks were collected from 602 infested sheep during the seasons of tick activity. the species collected from cattle were hyalomma marginatum (46.04%), hyalomma excavatum (25.51%), hyalomma anatolicum (10.33%), hyalomma asiaticum (6.34% ... | 2014 | 24715595 |
| [survey on ticks and detection of new bunyavirus in some vect in the endemic areas of fever, thrombocytopenia and leukopenia syndrome (ftls) in henan province]. | to investigate the distribution, species, seasonal fluctuation of ticks and detect new bunyavirus in some hematophagus in the endemic areas of fever thrombocytopenia and leukopenia syndrome (ftls) in henan province. | 2012 | 22943894 |
| continuous in vitro cultivation of a recently identified babesia that infects small ruminants in china. | babesia sp. xinjiang was isolated from a splenectomised sheep infested by rhipicephalus sanguineus and hylomma anatolicum anatolicum, collected from sheep and cattle in xinjiang province. it was considered to be a novel ovine babesia species on the basis of its morphology, pathogenicity, vector tick species and alignments of 18s ribosomal rna (18s rrna) and internal transcribed spacers (its) gene sequences. continuous in vitro cultures of the ovine parasite were established using infected sheep ... | 2012 | 22386948 |
| quantification of brown dog tick repellents, 2-hexanone and benzaldehyde, and release from tick-resistant beagles, canis lupus familiaris. | we have recently shown that repellency of the tick rhipicephalus sanguineus sensu lato by the tick resistant dog breed, the beagle, is mediated by volatile organic compounds (vocs) 2-hexanone and benzaldehyde present in beagle odour. ectoparasite location of animal hosts is affected by variation in these odour components and their ratios. the aim of this study was to quantify the release rate, and the ratio, of 2-hexanone and benzaldehyde from beagles. the odour of three beagles was collected, f ... | 2016 | 27085013 |
| identification of non-host semiochemicals for the brown dog tick, rhipicephalus sanguineus sensu lato (acari: ixodidae), from tick-resistant beagles, canis lupus familiaris. | studies have shown that the brown dog tick, rhipicephalus sanguineus sensu lato, when fed on the beagle breed of dog, canis lupus familiaris, development negatively affected in comparison with tick development after feeding on the english cocker spaniel breed. thus leading to the suggestion that beagle dogs are be tick-resistant dogs. behavioural studies have demonstrated that more ticks are attracted by extracts from cocker spaniels than from beagles and that the odour of beagles is a repellent ... | 2015 | 26103925 |
| ectoparasite infestation patterns of domestic dogs in suburban and rural areas in borneo. | domestic dogs, canis lupus, have been one of the longest companions of humans and have introduced their own menagerie of parasites and pathogens into this relationship. here, we investigate the parasitic load of 212 domestic dogs with fleas (siphonaptera) chewing lice (phthiraptera), and ticks (acarina) along a gradient from rural areas with near-natural forest cover to suburban areas in northern borneo (sabah, malaysia). we used a spatially-explicit hierarchical bayesian model that allowed us t ... | 2012 | 22526293 |
| effects of andiroba (carapa guianensis) oil in ticks: ultrastructural analysis of the synganglion of rhipicephalus sanguineus (latreille, 1806) (acari: ixodidae). | the present study performed an analysis of the ultrastructural changes induced by andiroba seed oil in the synganglion of rhipicephalus sanguineus female ticks, aiming to provide scientific grounds to help in the creation of more specific and efficient methods of control. the synganglion consists of a mass of fused nerves externally covered by the neural lamella, a uniform and acellular layer. just below, the perineurium is found, formed by glial cells. internally, the synganglion is subdivided ... | 2015 | 25261600 |
| morphological and cytochemical changes in synganglion of rhipicephalus sanguineus (latreille, 1806) (acari: ixodidae) female ticks from exposure of andiroba oil (carapa guianensis). | actually, the most used method to control ticks is synthetic acaricides with neurotoxic action. however, the use of these methods presents inconveniences, such as the contamination of the environment and risks to the host's health due to the residual effects. thus, several studies have been developed aiming to find alternative ways to control these ectoparasites, such as the use of natural compounds with active ingredients, which act controlling some species of plagues in addition to presenting ... | 2013 | 23625505 |
| action of andiroba oil (carapa guianensis) on rhipicephalus sanguineus (latreille, 1806) (acari: ixodidae) semi-engorged females: morphophysiological evaluation of reproductive system. | because of the increasing medical-veterinary importance of ticks, the development of alternative control methods, less aggressive to the host and the environment has become the target of several researches. in this sense, the present study analyzed the action of different concentrations (5, 10, and 20%) of andiroba seed oil (carapa guianensis) on the reproductive system of rhipicephalus sanguineus females, through histochemical techniques and the quantification of the reproductive efficiency ind ... | 2012 | 22972770 |
| cytotoxic effects of andiroba oil (carapa guianensis) in reproductive system of rhipicephalus sanguineus (latreille, 1806) (acari: ixodidae) semi-engorged females. | the present study performed an analysis about the effects of andiroba seed oil (carapa guianensis) in the ovary of rhipicephalus sanguineus semi-engorged females; once, there are few studies about the action of natural products on the reproductive system, a vital organ for the biological success of this animal group. the results showed that andiroba oil is a potent natural agent which causes significant structural changes in the oocytes, such as the emergence of large vacuolated cytoplasmic regi ... | 2012 | 22797575 |
| parasites and vector-borne diseases in client-owned dogs in albania: infestation with arthropod ectoparasites. | to establish the diversity and seasonality of ectoparasite infestation in client-owned dogs in albania, 602 dogs visiting four small animal clinics in tirana from march 2010 to april 2011 inclusive were examined for ectoparasites by full body search and total body comb. in addition, ear swab specimens collected from all dogs and scrapings taken from skin lesions suspicious of mite infestation were examined for parasitic mites. overall, 93 dogs (15.4 %, 95%ci 12.6-18.6) were demonstrated to be in ... | 2017 | 27796564 |
| prevalence of ectoparasites in owned dogs in kerman city, southeast of iran. | the present study aimed to investigate the intensity and distribution of natural infestation of ectoparasites in owned dogs during june to november 2011 in kerman city, southeast of iran. one hundred two domestic dogs (63 males, 39 females) with age ranged between 45 days to 13 years were examined for ectoparasites infestation including (tick, lice, flea and mite) in kerman city. detailed questionnaire about grooming and bathing interval, keeping place (outdoor, indoor) and purpose of keeping we ... | 2016 | 27413320 |
| evaluation of pharmacokinetics and efficacy of ivermectin following oral administration in dogs against experimental infection of ctenocephalides felis felis and rhipicephalus sanguineus. | with the increasing number of pets in home the human-animal relationship is increasingly close and care about control disease growing. ivermectin (ivm) is frequently used because its proven safety. ivm is recommended for the treatment of demodectic scabies and prevention of heartworm in dogs, but informally is extremely used to control of ctenocephalides felis felis and rhipicephalus sanguineus. the aim of this study is evaluate the use of ivm in dogs, by the oral route at 0.6μg/kg dose, against ... | 2016 | 27692320 |
| discovery of sarolaner: a novel, orally administered, broad-spectrum, isoxazoline ectoparasiticide for dogs. | the novel isoxazoline ectoparasiticide, sarolaner, was identified during a lead optimization program for an orally-active compound with efficacy against fleas and ticks on dogs. the aim of the discovery program was to identify a novel isoxazoline specifically for use in companion animals, beginning with de novo synthesis in the zoetis research laboratories. the sarolaner molecule has unique structural features important for its potency and pharmacokinetic (pk) properties, including spiroazetidin ... | 2016 | 26961590 |
| urban stray cats infested by ectoparasites with zoonotic potential in greece. | a large population of stray cats is encountered in many urban areas sharing the same environment with people, usually being in a close direct contact with them. a variety of ectoparasites can infest such cats, causing mild dermatological abnormalities to more severe systemic disorders. in order to determine the extent of which stray cats carry ectoparasites, particularly those of zoonotic potential, 341 stray cats originating from the urban area of thessaloniki, greece, were examined between 201 ... | 2015 | 26319525 |
| identification of rickettsiae from wild rats and cat fleas in malaysia. | rickettsioses are emerging zoonotic diseases reported worldwide. in spite of the serological evidence of spotted fever group rickettsioses in febrile patients in malaysia, limited studies have been conducted to identify the animal reservoirs and vectors of rickettsioses. this study investigated the presence of rickettsiae in the tissue homogenates of 95 wild rats and 589 animal ectoparasites. using pcr assays targeting the citrate synthase gene (glta), rickettsial dna was detected in the tissue ... | 2014 | 25171613 |
| the intravenous and oral pharmacokinetics of afoxolaner used as a monthly chewable antiparasitic for dogs. | the pharmacokinetics of afoxolaner in dogs was evaluated following either intravenous or after oral administration of nexgard(®), a soft chewable formulation. afoxolaner is a member of one of the newest classes of antiparasitic agents, known as antiparasitic isoxazolines. the soft chewable formulation underwent rapid dissolution, and afoxolaner was absorbed quickly following oral administration of the minimum effective dose of 2.5mg/kg, with maximum plasma concentrations (cmax) of 1,655 ± 332 ng ... | 2014 | 24685320 |
| ectoparasites in urban stray cats in jerusalem, israel: differences in infestation patterns of fleas, ticks and permanent ectoparasites. | in a period cross-sectional study performed to examine ectoparasites on 340 stray cats in jerusalem, israel, 186 (54.7%) were infested with the cat flea, ctenocephalides felis (siphonaptera: pulicidae), 49 (14.4%) with the cat louse, felicola subrostratus (phthiraptera: trichodectidae), 41 (12.0%) with the ear mite, otodectes cynotis (astigmata: psoroptidae), three (0.9%) with the fur mite, cheyletiella blakei (trobidiformes: cheyletidae), two (0.6%) with the itch mite notoedres cati (astigmata: ... | 2014 | 24191942 |
| ectoparasites and anti-leishmania antibodies: association in an observational case-control study of dogs from a brazilian endemic area. | it has been proposed that the transmission of canine visceral leishmaniasis might involve the participation of mechanical vectors, including ticks of the family ixodidae, in particular the brown dog tick rhipicephalus sanguineus, and the cat flea ctenocephalides felis felis. here, the association between the infestation by r. sanguineus and c. felis felis and the occurrence of anti-leishmania antibodies was evaluated in an observational case-control study of dogs living in a brazilian endemic ar ... | 2013 | 23932895 |
| diversity and distribution of tick species (acari: ixodidae) associated with human otoacariasis and socio-ecological risk factors of tick infestations in sri lanka. | tick infestation in humans is a major public health concern. the diversity and distribution of tick species associated with human otoacariasis was studied in five districts: anuradhapura, kandy, kurunegala, nuwara eliya and ratnapura in the main agro-climatic zones of sri lanka. ticks from patients attending the ear, nose and throat clinics of the general hospitals were collected during a 3 year period. in total 426 ticks were collected. most human otoacariasis cases were reported from kandy (33 ... | 2016 | 27382981 |
| ticks infesting wild and domestic animals and humans of sri lanka with new host records. | an island-wide collection of tick species infesting humans, domesticated and wild animals and questing ticks in domestic and peridomestic environments was carried out during 2009-2011. a total of 30,461 ticks were collected from 30 different hosts and free living stages from the ground. the collection consisted of 22 tick species from 30 different hosts recording 12 tick species from humans, 19 from domesticated animals and 21 from wild animals, with a total of 97 new host records. the most comm ... | 2015 | 25445744 |
| species diversity and spatial distribution of ixodid ticks on small ruminants in greece. | a cross sectional field study on the distribution of ixodidae ticks was carried out over two consecutive tick seasons (2012 and 2013) in small ruminants (309 farms) located in mainland and five islands of greece. a total of 2108 ticks (1199 females, 908 males, and 1 nymph) were collected from sheep and goats. two species of rhipicephalus, two of ixodes, five of hyalomma, three of haemaphysalis, and one of dermacentor were detected. the species with the widest distribution were rhipicephalus sang ... | 2016 | 27655133 |
| preferences of different tick species for human hosts in turkey. | the ticks removed from the patients who applied to the hospitals in istanbul and neighboring cities, turkey, with the complaint of tick bite were examined in this study, on account of their species, biological stages, attachment sites on the body, and the age of the affected patients. a total of 16,969 ticks were identified. encountered species were as follows: 33.6 % ixodes spp. immature, 25.3 % hyalomma spp. immature, 24.3 % i. ricinus, 9.5 % rhipicephalus sanguineus gr., 3.2 % r. bursa, 2.2 % ... | 2013 | 23620419 |
| efficacy of a new spot-on formulation of selamectin plus sarolaner against four common tick species infesting cats in europe. | a single application of a new spot-on formulation of selamectin plus sarolaner (stronghold(®)plus, zoetis) was evaluated for efficacy against the most common tick species infesting cats in europe. in each of the seven laboratory studies, 16 adult and purpose-bred cats were randomly allocated to one of two treatment groups based on pre-treatment tick counts. weekly infestations with 50 unfed adult ixodes ricinus (2 studies), ixodes hexagonus (1 study), dermacentor reticulatus (2 studies), or rhip ... | 2017 | 28395754 |
| ixodid ticks in the megapolis of kyiv, ukraine. | the ixodidae include the most common tick species encountered in europe. the ticks transmit a variety of bacterial and protozoan agents of medical and veterinary significance. the aim of the current work was to investigate distribution of ixodes ricinus and dermacentor reticulatus ticks in kyiv, the largest and most densely populated megapolis of ukraine. ticks were collected at various recreational areas by flagging during may, the month that showed the highest tick abundance in the past. sex d ... | 2017 | 27771333 |
| efficacy of a novel oral formulation of sarolaner (simparica™) against four common tick species infesting dogs in europe. | the efficacy of single oral treatment of sarolaner (simparica™, zoetis), a novel isoxazoline compound, was evaluated against four tick species known to commonly infest dogs in europe. eight laboratory studies were conducted using adult purpose-bred beagle dogs. in each study, 16 animals were randomly allocated to one of two treatment groups based on pre-treatment host-suitability tick counts. dogs were infested with 50 unfed adult dermacentor reticulatus (two studies), ixodes hexagonus (three st ... | 2016 | 27068640 |
| comparative efficacy of two oral treatments for dogs containing either afoxolaner or fluralaner against rhipicephalus sanguineus sensu lato and dermacentor reticulatus. | the present study compares the efficacy of two recent oral ectoparasiticides containing isoxazolines (nexgard(®), containing afoxolaner and administered at a monthly regimen, and bravecto™ containing fluralaner and administered at a tri-monthly regimen) against rhipicephalus sanguineus sensu lato and dermacentor reticulatus ticks on dogs. 24 dogs were randomly allocated to untreated control, nexgard(®) treated, and bravecto™ treated groups. the treatments were administered on days 0, 28 and 56 f ... | 2015 | 25716658 |
| tick infestation and prophylaxis of dogs in northeastern germany: a prospective study. | ticks transmit various important pathogens to humans and animals, and dogs are frequently exposed to tick infestation. the objective of this study was to examine tick infestation and the characteristics of tick prophylaxis of dogs in the berlin/brandenburg area. a total of 441 dogs (392 owners) was examined from march 2010 to april 2011. the dog owners participated in the study for a period of 1-13 months (10.33±2.85; median 11.00). the prevalences of a total of 1728 ticks collected from 251 (57 ... | 2014 | 24629616 |
| immunoproteomic identification of antigenic salivary biomarkers detected by ixodes ricinus-exposed rabbit sera. | ixodes ricinus, the primary vector of tick-borne disease in europe, is currently expanding its distribution area and its activity in many countries. antibody responses to tick salivary antigens have been proposed as an alternative marker of exposure to tick bites. however, the identification of the i. ricinus corresponding antigens remains elusive. using rabbits artificially exposed to i. ricinus and 2 other european tick species (rhipicephalus sanguineus and dermacentor reticulatus) as controls ... | 2013 | 23890749 |
| identification of salivary antigenic markers discriminating host exposition between two european ticks: rhipicephalus sanguineus and dermacentor reticulatus. | to succeed blood meal, ticks inject salivary proteins to mammalian hosts, eliciting an antibody response against these foreign antigens. although this immune response has been proposed as a surrogate marker of exposure to tick bites, identification of the corresponding antigens remains elusive. for this aim, a comparison by immunoblots of the kinetic igg responses to protein salivary gland extracts from two european tick species, rhipicephalus sanguineus or dermacentor reticulatus, in rabbits wa ... | 2013 | 23040662 |
| [epidemiological investigation of predominance tick and the infectious status of severe fever thrombocytopenia syndrome virus in penglai and laizhou counties, shandong province]. | to investigate the predominance ticks and the infectious status of severe fever with thrombocytopenia (sftsv) in penglai and laizhou counties, shandong province. | 2015 | 26833011 |
| molecular survey of hard ticks in endemic areas of tick-borne diseases in china. | over the past several years, there was a substantial increase in the number of cases of known and novel tick-borne infections in humans in china. to better understand the ticks associated with these infections, we collected hard ticks from animals or around livestock shelters in 29 localities in 5 provinces (beijing, henan, hubei, inner mongolia, and zhejiang) where cases of tick-borne illness were reported. we collected 2950 hard ticks representing 7 species of 4 genera (dermacentor sinicus, ha ... | 2013 | 23538111 |
| immunogenic potential of rhipicephalus (boophilus) microplus aquaporin 1 against rhipicephalus sanguineus in domestic dogs. | this study evaluated a recombinant aquaporin 1 protein of rhipicephalus (boophilus) microplus (rmaqp1) as antigen in a vaccine against r. sanguineus. five dogs were immunized with rmaqp1 (10 µg) + adjuvant (montanide) (g1), and five were inoculated with adjuvant only (g2), three times. twenty-one days after the last immunization, animals of both groups were challenged with r. sanguineus larvae, nymphs and adults, and their biotic potential was compared. blood samples were collected before each i ... | 2017 | 28225856 |
| detrimental effect of deltamethrin on the central nervous system (synganglion) of rhipicephalus sanguineus ticks. | ticks are ectoparasites of medical and veterinary importance, which transmit many infectious agents, causing significant damage to the hosts. the "dog tick" rhipicephalus sanguineus is responsible for transmitting several pathogens to dogs, motivating researchers to investigate efficient and sustainable control methods. currently, chemical acaricides currently in use target the central nervous system (synganglion), which is responsible for controlling all the systemic functions of the ticks. her ... | 2017 | 28185030 |
| east and west separation of rhipicephalus sanguineus mitochondrial lineages in the mediterranean basin. | rhipicephalus sanguineus belongs to a complex of hard tick species with high veterinary-medical significance. recently, new phylogenetic units have been discovered within r. sanguineus, which therefore needs taxonomic revision. the present study was initiated to provide new information on the phylogeography of relevant haplotypes from less studied regions of europe and africa. with this aim, molecular-phylogenetic analyses of two mitochondrial markers were performed on 50 ticks collected in hung ... | 2017 | 28115024 |
| dinotefuran-induced morphophysiological changes in semi-engorged females rhipicephalus sanguineus latreille, 1806 (acari: ixodidae) ticks: ultra-structural evaluation. | the present study demonstrated the effects of dinotefuran (active ingredient of the acaricide protetor pet(®)) on the ovary and midgut cells of semi engorged r. sanguineus females exposed to different concentrations of this chemical. for this, 120 semi-engorged females were divided into four treatment groups with 30 individuals each: group i or control (distilled water), group ii (5000ppm), groups iii (6250ppm) and group iv (8334ppm of dinotefuran). all the ticks were immersed in the different c ... | 2017 | 27876644 |
| cercopithifilaria sp. ii in vulpes vulpes: new host affiliation for an enigmatic canine filarioid. | cercopithifilaria bainae and cercopithifilaria grassii (spirurida, onchocercidae) are filarioids inhabiting the skin of dogs worldwide. the microfilariae of a third species namely, cercopithifilaria sp. ii sensu otranto et al. 2013, have been morphologically and molecularly characterized but scientific knowledge of this parasite is minimal. the first case of infection of a red fox (vulpes vulpes) with the filarioid cercopithifilaria sp. ii is herein described in castro marim, portugal. microfila ... | 2017 | 27838834 |
| molecular analysis of rhipicephalus sanguineus (acari: ixodidae), an incriminated vector tick for babesia vogeli in taiwan. | the genetic identity of rhipicephalus sanguineus tick was determined for the first time in taiwan. the phylogenetic relationships were analyzed by comparing the sequences of mitochondrial 16s ribosomal dna gene obtained from 32 strains of ticks representing six species of rhipicephalus, two species of dermacentor and two outgroup species (haemaphysalis inermis and ixodes ricinus). seven major clades can be easily distinguished by neighbour-joining analysis and were congruent by maximum-parsimony ... | 2016 | 27815655 |
| molecular, biological, and morphometric comparisons between different geographical populations of rhipicephalus sanguineus sensu lato (acari: ixodidae). | in this study, different geographical populations of rhipicephalus sanguineus sensu lato were compared by molecular, biological, and morphometric methods. phylogenetic trees were constructed using 12s and 16s rdna sequences and showed two distinct clades: one composed of ticks from brazil (jaboticabal, sp), cuba (havana) thailand (bangkok) and the so-called "tropical strain" ticks. the second clade was composed of ticks from spain (zaragoza), argentina (rafaela, santa fe) and the so-called "temp ... | 2016 | 26790741 |
| dinotefuran-induced morphophysiological changes in the ovaries and midgut of semi-engorged females rhipicephalus sanguineus latreille, 1806 (acari: ixodidae) ticks. | the present study demonstrated the effects of dinotefuran (active compound of the protetor pet® acaricide) in germ cells and the digestive processes of semi-engorged females of r. sanguineus exposed to different concentrations of the chemical. for this purpose, 120 semi-engorged females were divided into four treatment groups with 30 individuals each: group i or control (distilled water), group ii (5000 ppm), group iii (6250 ppm), and group iv (8334 ppm of dinotefuran). all ticks were immersed i ... | 2016 | 26614361 |
| potential of the chemical dinotefuran in the control of rhipicephalus sanguineus (latreille, 1806) (acari: ixodidae) semi-engorged female ticks. | ticks are vectors of several pathogens to vertebrates, including the human being. they produce lesions on the hosts during the blood feeding and great economic losses. several chemical acaricides have been used in an attempt to control tick infestations; however these substances are harmful to both the human being and non-target organisms, and to the environment. therefore, there is a need to fight these ectoparasites through less harmful methods, less aggressive to the environment, non-target o ... | 2015 | 25956944 |
| molecular epizootiology and diagnosis of porcine babesiosis in sardinia, italy. | the recent characterization of the 18s ribosomal rna (rrna) of a pathogenic babesia species in a domestic sow paved the way for establishing diagnostic and epidemiological tools for porcine babesiosis. here, we developed the first specific babesia sp. suis pcr, and we applied this test to a panel of samples collected from animals living in a typical mediterranean environment (sardinia, italy), including domestic pigs, wild boars, and ticks. in domestic pigs, pcr coupled with sequencing revealed ... | 2014 | 25325315 |
| rhipicephalus sanguineus sensu lato (acari: ixodidae) nymphs: an ultrastructural study of the integument and midgut. | this is an ultrastructural study of two important organs of ticks: the integument, covering the body and involved in the molting process, and the midgut, the first organ to have contact with the ingested host blood. the integument of rhipicephalus sanguineus sensu lato freshly engorged nymphs consists of a layer of epidermal cells rich in organelles and a cuticle, subdivided in epicuticle and procuticle. the latter presents two distinct regions: the exocuticle (with several pore canals) and the ... | 2014 | 25027233 |
| changes in the synganglion of rhipicephalus sanguineus (latreille, 1806) (acari: ixodidae) female ticks exposed to permethrin: an ultrastructural overview. | this study performed the ultra-structural analysis of the changes caused by permethrin in the synganglion of semi-engorged rhipicephalus sanguineus females, aiming to understand the toxic action of this substance at cellular level. the results showed that the neural lamella had its structure changed, allowing the influx of the toxic agent into the nervous tissue. the glial cells of the perineurium, as well as the neural cells of the cortex showed great changes, such as: irregular nuclei with chr ... | 2014 | 24742902 |
| fluazuron-induced morphological changes in rhipicephalus sanguineus latreille, 1806 (acari: ixodidae) nymphs: an ultra-structural evaluation of the cuticle formation and digestive processes. | rhipicephalus sanguineus is a species of tick which is widely distributed in america, africa and australia and is probably the most prevalent among all the other ixodid tick species. the present study demonstrated the effects of the arthropod growth regulator fluazuron (acatak(®)), in the formation of the integument and the digestive processes of r. sanguineus nymphs fed on rabbits treated with different doses of this chemical acaricide. for this, three different doses of fluazuron (20mg/kg, 40m ... | 2014 | 24508101 |
| morphological alterations of epidermis of rabbits infested by r. sanguineus ticks and exposed to selamectin (active principle of pfizer revolution(®) acaricide): a confocal microscopy study. | the present study analyzed, by means of confocal laser scanning microscopy, the epidermis of rabbits infested by the brown dog tick rhipicephalus sanguineus and exposed to concentrations of 50%, 80% and 100% of a selamectin-based commercial acaricide (pfizer's revolution(®)). the results demonstrated that rabbits exposed to concentrations of 80% and 100% of the revolution acaricide, which contains 12% selamectin, showed thinning of epithelial tissue of the epidermis with associated cellular diso ... | 2014 | 24369880 |
| cercopithifilaria spp. in dogs in sardinia island (italy). | a survey on cercopithifilaria spp. was carried out on owned and kennelled dogs in sardinia, italy. a total of 180 dogs were sampled and tested by microscopic detection or pcr of dermal microfilariae in skin snip sediments. the overall prevalence for cercopithifilaria spp. at both microscopy and molecular tests was 9.4 % (17/180), while 8.3 % (15/180) of dogs scored positive at microscopic detection of sediments only. of the 225 microfilariae measured, 212 were identified as cercopithifilaria bai ... | 2014 | 24271152 |
| the occurrence of autophagic cell death in the tegument of rabbits pre-infested with rhipicephalus sanguineus and exposed to selamectin (active principle of acaricide pfizer revolution®). | ticks of rhipicephalus sanguineus species have great medical and veterinary importance for being a vector of various diseases. in an attempt to minimize their action on the host, people have resorted to chemical control by using various acaricides, such as selamectin. although previous studies have demonstrated its toxic action in domestic animals, no studies focused on the detection of cell death when exposed to selamectin. for this reason, the technique for detecting autophagic cell death was ... | 2013 | 23983162 |
| action of andiroba oil and permethrin on the central nervous and reproductive systems of rhipicephalus sanguineus (latreille, 1806) (acari: ixodidae) ticks females. a confocal study. | research for acaricides with lower toxicity and impact on the environment has been intensified. an alternative would be the use of natural compounds or of synthetic products in lower concentrations than the ones sold commercially. thus, this study describes the action of andiroba seed oil on the nuclei of the ovary and synganglion cells of rhipicephalus sanguineus, and presents an analysis of the nuclear morphology of the nervous system cells of this tick species when exposed to permethrin. the ... | 2013 | 23823663 |
| neurotoxic action of permethrin in rhipicephalus sanguineus (latreille, 1806) (acari: ixodidae) female ticks. morphological and cytochemical evaluation of the central nervous system. | studies on the molecular bases of the neurotoxic action of acaricides are found in the literature; but there are no studies of this action on the nervous system of ticks at the cellular level. the present study describes the morphological and cytochemical changes in the synganglion of rhipicephalus sanguineus semi-engorged females exposed to different concentrations of permethrin, a pyrethroid with recognized neurotoxic action. permethrin induced the degeneration of the synganglion through a pro ... | 2013 | 23578999 |
| parasitism by ixodiphagus wasps (hymenoptera: encyrtidae) in rhipicephalus sanguineus and amblyomma ticks (acari: ixodidae) in three regions of brazil. | hymenopteran parasitoids have been shown to be of potential value in tick biocontrol. tick parasitoids has been reported only once in brazil, over 95 yr ago when ixodiphagus hookeri (howard) was reported parasitizing rhipicephalus sanguineus (latreille) nymphs in rio de janeiro. herein, we report the occurrence of ixodiphagus spp. in ticks from three different regions of brazil. in the state of maranhão, in northeastern brazil, parasitoids were detected in r. sanguineus nymphs on three occasions ... | 2012 | 23356061 |
| effect of ricinoleic acid esters from castor oil (ricinus communis) on the oocyte yolk components of the tick rhipicephalus sanguineus (latreille, 1806) (acari: ixodidae). | rhipicephalus sanguineus are bloodsucking ectoparasites, whose main host is the domestic dog, thus being present in urban areas and closely located to people. eventually, this tick species parasitize humans and can become a potential vector of infectious diseases. methods to control this type of pest have been the focus of many research groups worldwide. the use of natural products is increasingly considered nowadays, due to the low toxicity levels to the host and low waste generation to the env ... | 2013 | 23040769 |
| fluazuron-induced morphophysiological changes in the cuticle formation and midgut of rhipicephalus sanguineus latreille, 1806 (acari: ixodidae) nymphs. | the present study demonstrated the effects of the arthropod growth regulator, fluazuron (acatak®), in the formation of the integument and digestive processes of rhipicephalus sanguineus nymphs fed on rabbits treated with different doses of this chemical acaricide. for this, three different doses of fluazuron (20, 40, or 80 mg/kg) were applied "pour on" to the hosts (groups ii, iii, and iv), as well as distilled water to the control group. on the first day after treatment (24 h), the hosts were a ... | 2013 | 22992894 |
| action of permethrin on rhipicephalus sanguineus (latreille, 1806) (acari: ixodidae) semi-engorged females: morpho-physiological evaluation of salivary glands. | currently the most effective method of tick control is the use of acaricides, among which stands out permethrin (active ingredient of acaricide advantage(®) max3, bayer), a neurotoxic pyrethroid. however, assessments of their effects on other tick systems such as glandular are still scarce. thus, this study provides information, through histochemical techniques, about the toxic effect of this pyrethroid on the morphophysiology of salivary glands of semi-engorged rhipicephalus sanguineus females ... | 2012 | 22749738 |
| cutaneous distribution and localization of cercopithifilaria sp. microfilariae in dogs. | the aim of this study was to investigate the anatomical distribution of microfilariae of a recently described cercopithifilaria sp. and the relationship with the preferred attachment sites of its vector, the brown dog tick rhipicephalus sanguineus. skin samples from 20 dogs were collected from eight anatomical sites and soaked twice in saline solution at 37°c. all samples were also molecularly processed for the specific amplification of partial cytochrome c oxidase 1 gene. microfilariae were une ... | 2012 | 22698796 |
| tick paralysis: first zoonosis record in egypt. | tick paralysis caused by the secretion of toxin with saliva while taking a blood meal is an important veterinary disease, but is rare in humans. although it has certain geographical proclivities, it exists worldwide. tick paralysis was demonstrated for the first time in egypt among four children living in rural area at giza governorate. the clinical pictures were confused with rabies; myasthensia gravis; botulism; diphtheritic polyneuropathy encountered in rural areas. the recovery of tick infes ... | 2012 | 22662597 |
| copulation is necessary for the completion of a gonotrophic cycle in the tick rhipicephalus sanguineus (latreille, 1806) (acari: ixodidae). | ovarian development and egg maturation are essential stages in animal reproduction. for bisexual ixodid ticks, copulation is an important prerequisite for the completion of the gonotrophic cycle. in this study, we aimed to characterize the morpho-histological changes in the ovary and oocytes of the tick rhipicephalus sanguineus, together with the identification of feeding and reproductive parameters associated with mating. virgin and cross-mated females (with r. turanicus males) weighed 60% less ... | 2012 | 22626791 |
| morphological characterization of the nymphs rhipicephalus sanguineus ticks (latreille, 1806) (acari: ixodidae). description of the testes, integument, malpighian tubules, and midgut on the detachment day. | this study presents the morpho-histological and histochemical characterization of the testes, integument, malpighian tubules, and midgut of engorged rhipicephalus sanguineus nymphs on the detachment day, showing the morphological and physiological characteristics to this phase in the life cycle of these individuals. the testis is constituted by germinative cells (only spermatogonia) with large, round-shaped and strongly stained nuclei which are organized into cysts by a thin layer of somatic cel ... | 2012 | 22615106 |
| central nervous system of rhipicephalus sanguineus ticks (acari: ixodidae): an ultrastructural study. | this study performed the ultrastructural description of the synganglion of rhipicephalus sanguineus males and females, aiming to contribute to the understanding of the cellular organization of this organ. the results show that the central nervous system of these individuals consists of a mass of fused nerves, named synganglion, from where nerves emerge towards several parts of the body. it is surrounded by the neural lamella, a uniform and acellular layer, constituted by repeated layers of homog ... | 2012 | 22610445 |
| ecdysteroid levels changed by permethrin action in female rhipicephalus sanguineus (latreille, 1806) (acari: ixodidae) ticks. | as recent studies have shown that ecdysteroids may play a major role in the regulation of vitellogenesis in ixodidae, the present study quantified, by means of a radioimmunoassay, the levels of ecdysteroids present in the hemolymph of semi-engorged females of rhipicephalus sanguineus ticks obtained from control females (exposed to distilled water) and those exposed to increasing concentrations of permethrin. the levels of ecdysteroids decreased significantly as the concentration of permethrin in ... | 2012 | 22483974 |
| potential of the insect growth regulator, fluazuron, in the control of rhipicephalus sanguineus nymphs (latreille, 1806) (acari: ixodidae): determination of the ld95 and ld50. | conventional pesticides have suffered two main drawbacks: (a) broad spectrum of action and (b) selection of target species resistant to the different active ingredients. thus compounds that are less harmful to the environment and to human health, more specific and that do not induce resistance need to be developed. one alternative are insect growth regulators, such as fluazuron. the present study examined the efficacy of fluazuron (active ingredient of the acaricide acatak®) and the sensitivity ... | 2012 | 22465612 |
| the prevalence of anaplasma platys and a potential novel anaplasma species exceed that of ehrlichia canis in asymptomatic dogs and rhipicephalus sanguineus in taiwan. | canine anaplasmosis is regarded as an infection by anaplasma platys rather than zoonotic anaplasma phagocytophilum in subtropical areas based on the assumption that the common dog tick species is rhipicephalus sanguineus, which transmits e. canis and presumably a. platys. we investigated asymptomatic dogs and dog ticks from 16 communities in nantou county, taiwan to identify common dog tick species and to determine the prevalence of anaplasma and ehrlichia spp. of total 175 canine blood samples ... | 2017 | 28781347 |
| a new pcr assay for the detection and differentiation of babesia canis and babesia vogeli. | babesia spp. are globally distributed tick-borne protozoan parasites that infect the red blood cells of a wide range of vertebrate hosts, including humans. diagnosis of babesiosis is often impeded by the transient presence of the parasites in peripheral blood, as well as by their pleomorphic nature. given the reports of an expanding and, in some cases, sympatric geographical distribution of babesia canis and babesia vogeli in dogs and associated vectors, in europe, the development of time-effici ... | 2017 | 28739301 |
| molecular identification of babesia spp. in naturally infected dogs of kerala, south india. | canine babesiosis is a tick borne haemoprotozoan disease caused by large and small intraerythrocytic apicomplexan piroplasms of the genus babesia spp. the clinical manifestations of the disease vary from inapparent subclinical form to hyperacute shock related haemolytic crisis. microscopic examination of blood smears from suspected dogs revealed babesia canis and b. gibsoni in 3.45 and 25.86 % of samples respectively. a seminested pcr based on previously published species specific primers target ... | 2017 | 28615859 |
| first detection and molecular identification of babesia vogeli from rhipicephalus sanguineus (acari: ixodidae) in taiwan. | a total of 578 rhipicephalus sanguineus ticks collected from dogs in taiwan were examined for babesia by species-specific polymerase chain reaction assay based on the 18s small subunit ribosomal rna (ssrrna) gene. babesia dna was detected in 1.04 % (6/578) of rh. sanguineus ticks. phylogenetic analysis revealed that these babesia spp. were genetically linked to the same clade within the genospecies of babesia vogeli and could be discriminated from other genospecies of babesia. intra-species anal ... | 2016 | 26796569 |
| occurrence of <i>coxiella burnetii</i>, <i>ehrlichia canis</i>, <i>rickettsia</i> species and <i>anaplasma phagocytophilum</i>-like bacterium in ticks collected from dogs and cats in south africa. | ticks are major vectors of arthropod-borne infections and transmit a wide variety of zoonotic pathogens. this study was conducted mainly to determine the occurrence of canine tick-borne bacterial and rickettsial pathogens especially those with zoonotic potential. we examined 276 rhipicephalus sanguineus, 38 haemaphysalis elliptica and 4 amblyomma hebraeum ticks from 90 dogs and 4 cats from the free state, kwazulu-natal, north west and mpumalanga provinces. dna of coxiella burnetii (41%), ehrlich ... | 2017 | 28582983 |
| rickettsia amblyommatis infecting ticks and exposure of domestic dogs to rickettsia spp. in an amazon-cerrado transition region of northeastern brazil. | this study was performed in maranhão state, a transition area two brazilian biomes, amazon and cerrado. during 2011-2013, 1,560 domestic dogs were sampled for collection of serum blood samples and ticks in eight counties (3 within the amazon and 5 within the cerrado). a total of 959 ticks were collected on 150 dogs (9.6%). rhipicephalus sanguineus sensu lato (s.l.) was the most abundant tick (68% of all collected specimens), followed by amblyomma cajennense sensu lato (s.l.) (12.9%), amblyomma p ... | 2017 | 28594882 |
| first report of a rickettsia asembonensis related infecting fleas in brazil. | the present study was performed in a non-endemic area for spotted fever (sf) in imperatriz microregion, state of maranhão, brazil. blood samples and ectoparasites were collected from 300 dogs of the imperatriz microregion. canine serum samples were tested individually by indirect immunofluorescence assay (ifa), using five rickettsia isolates from brazil. antibodies reactive to at least one of the five species of rickettsia were detected in 1.6% of the dogs (5/300). these sera were considered rea ... | 2017 | 28427962 |
| novel phleboviruses detected in ticks, greece. | since 2009, when severe fever with thrombocytopenia syndrome virus and heartland virus have been identified and associated with disease in humans, the interest on tick-borne phleboviruses is increasing rapidly. the aim of the present study was to investigate the presence of tick-borne phleboviruses in greece and compare them with respective ones detected worldwide. ticks collected from goats and sheep in 60 sites of 13 regional units of greece were grouped in pools (1-3 ticks per pool) and teste ... | 2016 | 26935112 |
| anaplasma spp. in dogs and owners in north-western morocco. | anaplasma phagocytophilum is an emerging tick-borne zoonotic pathogen of increased interest worldwide which has been detected in northern africa. anaplasma platys is also present in this region and could possibly have a zoonotic potential. however, only one recent article reports on the human esposure to a. phagocytophilum in morocco and no data are available on canine exposure to both bacteria. therefore, we conducted a cross-sectional epidemiological study aiming to assess both canine and huma ... | 2017 | 28438220 |
| molecular evidence for trans-stadial transmission of anaplasma platys by rhipicephalus sanguineus sensu lato under field conditions. | this study investigated the transmission of anaplasma platys by rhipicephalus sanguineus sensu lato (ixodida: ixodidae). engorged nymphs (n = 404) removed from a. platys-infected dogs were incubated at 28 °c until moulting. unfed adults were obtained and divided into 48 pools. unfed ticks collected from the grounds of the dog shelter, comprising 1800 larvae (n = 18 pools), 3100 nymphs (n = 62 pools) and 85 adults (n = 10 pools, including three male and seven female pools) were sorted into 90 poo ... | 2017 | 28815682 |
| prevalence and distribution of borrelia and babesia species in ticks feeding on dogs in the u.k. | ticks were collected during march-july 2015 from dogs by veterinarians throughout the u.k. and used to estimate current prevalences and distributions of pathogens. dna was extracted from 4750 ticks and subjected to polymerase chain reaction and sequence analysis to identify borrelia burgdorferi sensu lato (spirochaetales: spirochaetaceae) and babesia (piroplasmida: babesiidae) species. of 4737 ticks [predominantly ixodes ricinus linneaus (ixodida: ixodidae)], b. burgdorferi s.l. was detected in ... | 2017 | 28846148 |
| detection of coxiella burnetii dna in peridomestic and wild animals and ticks in an endemic region (canary islands, spain). | coxiella burnetii, the etiological agent of human q fever, can infect mammals, birds, and arthropods. the canary islands (spain) are considered an endemic territory, with a high prevalence in both humans and livestock. nonetheless, there is no epidemiological information about the wild and peridomestic cycles of c. burnetii. tissue samples from rodents on farms (100) and wild rabbits (129) were collected and assessed by pcr to detect c. burnetii dna. in parallel, ticks were also collected from v ... | 2017 | 28759337 |
| molecular and maldi-tof identification of ticks and tick-associated bacteria in mali. | ticks are considered the second vector of human and animal diseases after mosquitoes. therefore, identification of ticks and associated pathogens is an important step in the management of these vectors. in recent years, matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (maldi-tof ms) has been reported as a promising method for the identification of arthropods including ticks. the objective of this study was to improve the conditions for the preparation of tick samples ... | 2017 | 28742123 |
| crimean-congo hemorrhagic fever virus in ticks collected from livestock in albania. | albania is a balkan country endemic for crimean-congo hemorrhagic fever (cchf). it was shown previously that cchf virus (cchfv) sequences from albanian patients cluster into europe 1 clade. aim of the present study was to test for cchfv ticks collected in several regions of albania, and to determine the genetic lineage(s) of the cchfv strains in relation with their geographic distribution. a total of 726 ticks (366 hyalomma marginatum, 349 rhipicephalus bursa and 11 rhipicephalus sanguineus) col ... | 2017 | 28827176 |
| therapeutic management of canine ehrlichiosis with aid of blood transfusion: a case report. | an adult female labrador retriever dog was presented at referral veterinary polyclinic, ivri in lateral recumbency with history of anorexia, high fever, severe panting, heavy tick infestation, and not responding to cephalosporins and fluoroquinolones since last 1 week. clinical examination showed pale conjunctiva, enlarged popliteal lymph node however, electrocardiogram (ecg) report found to be normal. haematological finding showed marked anaemia and thrombocytopenia. parasitological examination ... | 2017 | 28615848 |
| ticks from diverse genera encode chemokine-inhibitory evasin proteins. | to prolong residence on their hosts, ticks secrete many salivary factors that target host defense molecules. in particular, the tick rhipicephalus sanguineus has been shown to produce three salivary glycoproteins named "evasins", which bind to host chemokines, thereby inhibiting the recruitment of leukocytes to the location of the tick bite. using sequence similarity searches, we have identified 257 new putative evasin sequences encoded by the genomes or salivary or visceral transcriptomes of nu ... | 2017 | 28778927 |
| transstadial transmission of hepatozoon canis by rhipicephalus sanguineus (acari: ixodidae) in field conditions. | this study investigated possible transovarial and transstadial transmission of hepatozoon canis by rhipicephalus sanguineus (latreille) ticks collected from naturally infected dogs in a municipal dog shelter and the grounds of the shelter. four hundred sixty-five engorged nymphs were collected from 16 stray dogs that were found to be infected with h. canis by blood smear and pcr analyses and maintained in an incubator at 28 °c for moulting. four hundred eighteen nymphs moulted to adults 14-16 d ... | 2017 | 28399211 |
| molecular characterization of hepatozoon felis in rhipicephalus sanguineus ticks infested on captive lions (panthera leo). | hepatozoon spp. are protozoan parasites that infect a wide range of domestic and wild animals. the infection occurs by ingestion of an infected tick. this study was carried out to detect and characterize hepatozoon spp. in ticks collected from captive lions (panthera leo) in thailand based on the partial 18s rrna gene sequence. a total of 30 ticks were collected and identified as rhipicephalus sanguineus. the collected ticks were separated into 10 tick pools by sex and life stages. of the 10 tic ... | 2017 | 28848300 |
| effect of metarhizium anisopliae (ascomycete), cypermethrin, and d-limonene, alone and combined, on larval mortality of rhipicephalus sanguineus (acari: ixodidae). | the effect of the fungus metarhizium anisopliae ma14 strain, d-limonene, and cypermethrin, alone and combined, on the mortality of rhipicephalus sanguineus latreille larvae was evaluated. eight separate groups with 25 tick larvae were inoculated with the fungus, cypermethrin, and d-limonene, and four groups were used as untreated controls. the groups were inoculated with serial dilutions of each treatment material: for example, conidial concentrations were 1 × 101, 1 × 102, 1 × 103, 1 × 104, 1 × ... | 2017 | 28472470 |