| tick-borne diseases of domestic animals in northern nigeria. ii. research summary, 1966 to 1976. | during the first 10 years of its existence, the department of parasitology and entomology of the faculty of veterinary medicine, ahmadu bello university in zaria, nigeria, confirmed or described for the first time the occurrence of 25 different tick-borne parasites of domestic animals in the northern part of the country. most of these organisms occur as inapparent infections but may serve as complicating factors in any adverse host condition. the transmission of babesia bigemina by boophilus dec ... | 1977 | 339447 |
| [an experimental study of the reproduction of the hissar virus (bunyaviridae) in argas persicus ticks (oken, 1918)]. | when in an experiment the ticks argas persicus were infected with hissar virus, virus reproduction in the arthropod was found. the transphasic and transovarial transmission of the virus in the ticks and the possibility of its transmission through the bite to synanthropic birds were proved. | 1990 | 2141100 |
| infectious bursal disease and spirochetosis in pullet chicks. | infectious bursal disease and spirochetosis were diagnosed simultaneously in a flock of 100 six-week-old babcock pullet chicks. larvae of the fowl tick argas persicus were found on the bodies of the chicks. thirty-nine of the chicks died 5 days after the onset of clinical signs. | 1987 | 3034231 |
| [role of the avian ticks argas persicus and ornithodorus coniceps in infecting birds. experimental transmission of infection to chicks]. | | 1972 | 4664097 |
| effect of irradiation on mating competitiveness of the male tick argas persicus (oken). | | 1973 | 4707748 |
| [experimental artificial dosed feeding of ticks of the argas persicus species]. | | 1973 | 4792320 |
| first record of argas persicus from southern africa. | | 1972 | 5022861 |
| [isolation of atypical mycobacteria from spontaneously infected bird ticks argas persicus]. | | 1971 | 5117837 |
| biological control studies of soft and hard ticks in egypt. i. the effect of bacillus thuringiensis varieties on soft and hard ticks (ixodidae). | the potential activity of three varieties of bacillus thuringiensis (kurstaki, israeliensis, and thuringiensis) against the soft tick argas persicus and the hard tick hyalomma dromedarii was investigated. soft ticks succumbed within a period ranging from 36 h to 5 days and hard ticks died at between 48 h and 10 days posttreatment, depending on the dose. concentrations lethal to 50% of tick populations (lc50 values) indicated that dipel 2x (b. thuringiensis var. kurstaki) was the most potent, fol ... | 1997 | 9089714 |
| isolation of a spotted fever group rickettsia, rickettsia peacockii, in a rocky mountain wood tick, dermacentor andersoni, cell line. | an embryonic cell line (dae100) of the rocky mountain wood tick, dermacentor andersoni, was observed by microscopy to be chronically infected with a rickettsialike organism. the organism was identified as a spotted fever group (sfg) rickettsia by pcr amplification and sequencing of portions of the 16s rrna, citrate synthase, rickettsia genus-specific 17-kda antigen, and sfg-specific 190-kda outer membrane protein a (rompa) genes. sequence analysis of a partial rompa gene pcr fragment and indirec ... | 2001 | 11157215 |
| present state of research on ticks (ixodoidea) in the czech republic. | tick research in the czech republic started developing rapidly after world war ii and was directed to the faunistics and taxonomy, biology, ecology and behaviour, physiology and genetics, disease transmission, host-parasite relationships and control. altogether 15 tick species were reported from the territory of the czech republic. most studies in biology, ecology and virus transmission were dedicated to ixodes ricinus, but biology and ecology of dermacentor reticulatus, i. laguri and i. hexagon ... | 1995 | 8553657 |
| distribution and host-relationship of ticks (ixodoidea) infesting domestic animals and rodents in sinai peninsula. | geographical distribution of ticks infesting farm animals in sinai peninsula revealed the presence of 12 tick species namely hyalomma dromedarii, h. impeltatum, h. an anatolicum, h. an. excavatum, h. marginatum rufipes, h. m. turanicum, h. schulzei, rhipicephalus sanguineus, r. turanicus, boophilus annulatus, ornithodors erraticus and argas persicus. the distribution map of those species is given. the areas of sinai could be arranged as regards the number of tick species in the following descend ... | 1993 | 8376863 |
| age-dependent immune response of chickens to feeding by argas persicus larvae. | chickens of the dwarf velsum breed acquired immunity to argas persicus larvae during repeated infestations with 100 larval ticks in 2-week intervals, when primarily infested at the age of 10 weeks. this immunity was manifested by 74.6% and 75.9% rejection of larvae during secondary and tertiary infestations (p < 0.01), respectively, in relation to controls. the mean weight reductions observed were 16.5% and 12.2% in secondary and tertiary infestations, respectively (p < 0.05). weak immunity also ... | 1994 | 8171834 |
| ecto-, endo- and haemoparasites in free-range chickens in the goromonzi district in zimbabwe. | a cross-sectional study determined the prevalence of ecto-, endo- and haemoparasites in free-range chickens from the goromonzi district, zimbabwe. fifty young and 50 adult birds were selected randomly. all chickens harboured ecto- and endoparasites, and 32% were infected with haemoparasites. eight different ectoparasites were identified; the more prevalent ones had the following prevalences (young, %; adult, %): argas persicus (6; 14), cnemidocoptes mutans (6; 32), echidnophaga gallinacea (72; 7 ... | 2002 | 12114010 |
| parasitic infections of the grey-breasted helmet guinea-fowl (numida meleagris galeata) in nigeria. | the major helminth parasites found in wild, semi-wild and golden sovereign stock guinea fowl were heterakis gallinarum, ascaridia galli, capillaria caudinflata, raillietina tetragona and r. echinobothrida, while eimeria species was the most important gastro-intestinal protozoan parasite. the incidence of the latter was higher in the semi-wild stock than in the wild stock. necropsy of dead guinea-fowl indicated that a. galli, h. gallinarum and eimeria species were indeed responsible for their dea ... | 1983 | 6683038 |
| [epizootiology of aegyptianellosis in poultry]. | epizootiologic studies were carried out on avian aegyptianellosis, especially with birds raised at poultry dressing combines and industrial poultry farms within the country. it was found that the mechanism of infection transmission was mediated not only by the role of argas persicus ticks but also by bed bug insects of the cimex genus, belonging to the hemiptera order. carriers of aegyptianellosis might also be migratory birds coming from tropical countries, such as swallows. it is concluded tha ... | 1983 | 6420981 |
| [argas persicus eventual vehicle of mycobacterium tuberculosis var. hominis]. | | 1960 | 13752675 |
| digestion in the tick, argas persicus, oken. | | 1964 | 14204117 |
| the laboratory rearing of the common fowl tick, argas persicus (oken). | | 1951 | 14825032 |
| [experimental evaluation of several insecticides in relation to their effect on the argas persicus oken 1818]. | | 1951 | 14876077 |
| transmission of kyasanur forest disease virus by soft tick, argas persicus (ixodoidea: argasidae). | | 1971 | 5579237 |
| identification of a new borrelia species among small mammals in areas of northern spain where lyme disease is endemic. | the role of small mammals as reservoir hosts for borrelia burgdorferi was investigated in several areas where lyme disease is endemic in northern spain. a low rate of infestation by ixodes ricinus nymphs was found in the small mammal populations studied that correlated with the near-absence of b. burgdorferi sensu lato in 184 animals tested and with the lack of transmission of b. burgdorferi sensu lato to i. ricinus larvae that fed on them. in contrast, questing ticks collected at the same time ... | 2005 | 15746336 |
| gram-negative bacteria from the camel tick hyalomma dromedarii (ixodidae) and the chicken tick argas persicus (argasidae) and their antibiotic sensitivities. | a total of nine species of gram-negative bacteria were isolated from organs and haemolymph of the hard tick hyalomma (hyalomma) dromedarii and the soft tick argas (persicargas) persicus. four species namely serratia liquefaciens, stenotrophomonas maltophilia, klebsiella ornithinolytica and aeromonas hydrophila were isolated from h. dromedarii and five species namely rahnella aquatilis, pseudomonas fluorescens, enterobacter cloacae, chryseomonas luteola and chryseobacterium meningosepticum were i ... | 2005 | 15880998 |
| neurosecretory activity as related to feeding and oogenesis in the fowl-tick argas persicus (oken). | | 1973 | 4753361 |
| studies on the salivary glands of argas persicus (oken, 1818). | | 1974 | 4421185 |
| ectoparasites of guinea fowl (numida meleagris galeata pallas) and local domestic chicken (gallus gallus) in southern guinea savanna, nigeria. | the ectoparasites of poultry in a southern guinea savanna zone were investigated by the examination of guinea fowl and local domestic chickens in the range and guinea fowl under intensive management. the prevalent ectoparasites of range guinea fowl and local chickens include seven species of lice menacanthus stramineus, menopon gallinae, goniodes gigas, goniocotes gallinae, lipeurus caponis, numidilipeurus tropicalis, damalinia bovis; three mites bdellonyssus bursa, megninia cubitalis, dermanyss ... | 1988 | 3195043 |
| quantitative studies of host immunoglobulin g in the hemolymph of ticks (acari). | a radioimmunoassay was used to measure the concentration of host immunoglobulin g (igg) in the hemolymph of female hard and soft ticks. hyalomma excavatum koch, rhipicephalus sanguineus latreille, ornithodoros tholozani (laboulbene and megnin), and o. moubata (murry) were fed on rabbits immunized with ovalbumin; argas persicus (oken) was fed on chickens immunized with cytochrome 'c.' at 24 h after feeding, the concentration of antiovalbumin igg in the hemolymph was 7 micrograms/ml for h. excavat ... | 1989 | 2769701 |
| permethrin-impregnated bednets reduce nuisance arthropods in gambian houses. | the prevalence of bedbugs (cimex hemipterus l.), chicken ticks (argas persicus oken) and headlice (pediculus capitis de geer) was surveyed in a rural area of the gambia. at the beginning of the study 37.5% of children's beds were infested with bedbugs and 3.9% with chicken ticks, whilst the prevalence rate of pediculosis in children under 10 years old was 28.8%. both bedbugs and headlice were clustered within compounds. headlice prevalence increased with hair length and they were more common on ... | 1989 | 2519687 |
| molecular characterization of tickborne relapsing fever borrelia, israel. | | 2006 | 17283626 |
| [morphological anomalies in ticks (acari: ixodida) collected from natural environment]. | among the ticks with morphological anomalies were: argas persicus--fed female with atrophia of the third right leg together with the coxa from the chicken in the hen house (mfakar alsrki--syria); hyalomma marginatum--partly fed female with complete absence of the fourth right leg, was found on a sheep (mfakar alsrki); ixodes ricinus--partly fed female with asymmetry of the body from the roe-deer (popielno, province suwałki); i. i. ricinus--partly fed female with anomaly in shape of the dorsal di ... | 1991 | 1823491 |
| comparative activity of three repellents against the ticks rhipicephalus sanguineus and argas persicus. | the residual repellent activity of n,n-diethylphenyl-acetamide (depa), n,n-diethyl-3-methyl benzamide (deet) and dimethylphthalate (dmp) against the hard tick rhipicephalus sanguineus (latreille) and the soft tick argas persicus (oken) from topical application on rabbits and hens respectively in the laboratory have been studied. it was found that a 25% concentration of deet gave strong repellency (greater than 90%) against larvae and nymphs of r. sanguineus for 15 and 7 days respectively and aga ... | 1992 | 1600227 |
| characterization of anti-hemostatic factors in the argasid, argas monolakensis: implications for the evolution of blood-feeding in the soft tick family. | to date, the only anti-hemostatic factors characterized for softs ticks are for ornithodoros moubata and ornithodoros savignyi, ticks that feeds mainly on mammals. this includes thrombin (ornithodorin and savignin), fxa (tap and fxai) and platelet aggregation (disagegin and savignygrin) inhibitors that belong to the bpti-kunitz protein family. this raises the question on how well anti-hemostatic factors will be conserved in other soft tick genera that feeds on other vertebrates such as birds. we ... | 2008 | 18070663 |
| a survey of ticks on farm animals in libya. | thirteen species of ixodid ticks and two species of argasid ticks were collected during a three-year survey of 58 farms in libya. these included boophilus annulatus, b. microplus, b. decoloratus, seven species of hyalomma, rhipicephalus sanguineus, rh. evertsi, rh. bursa, argas persicus and ornithodoros foleyi. this is the first recording of b. microplus, b. decoloratus and rh. bursa in libya. of 20,391 animals examined by random sampling, 2020 (9.6%) had ticks; particularly common were hy. drom ... | 1992 | 1288437 |
| ultrastructure of normal and jha-treated eggs of the soft tick argas persicus (oken). | the ultrastructure of normal development and jha-treated egg was examined with the transmission electron microscope. in newly oviposited egg, the chorion consists of exo- and endochorion. between the chorion and plasma membrane lies vitelline (envelope) membrane, a thin non cellular membrane. the periplasm is free of the yolk spheres with contains vesicles of various sizes and lipid inclusions. the endoplasm is rich in yolk spheres, mitochondria, lipid inclusions, dense vesicles and vacuoles. in ... | 2008 | 19209765 |
| cell lines from the soft tick ornithodoros moubata. | primary cell cultures (n = 16) were initiated from tissues of embryonic and neonatal larval ornithodoros moubata following methods developed for hard ticks. after maintenance for 20-25 months in vitro, cell multiplication commenced in surviving cultures, leading to the establishment of six cell lines designated ome/ctvm21, 22, 24, 25, 26 and 27. all lines are maintained at 28 degrees c, with subculture at 2-8 week intervals. the cultures comprise heterogeneous populations of large cells of 15-10 ... | 2009 | 19252822 |
| [study of some biological peculiarities of argas persicus]. | it has been found that temperatures ranging from 22 to 38 degrees c are optimal for the development of argas persicus. under such conditions the average duration of the whole cycle ranges within the limits of 41 to 133 days. under conditions favourable for the development of the parasite certain irregularities in the nymph stage of the individual generations have been observed. in some of these up to 97 per cent of the second-stage nymphs transform into imago. this is said to be the main reason ... | 1975 | 1237963 |
| tick-borne relapsing fever in a new highland endemic focus of western iran. | tick-borne relapsing fever (tbrf) is a neglected zoonotic disease caused by infection with spirochaetes of the genus borrelia. humans usually contract it from the bite of infected soft ticks of the genus ornithodoros. in iran, where the disease is endemic in the mountainous north-western provinces, reports of over 200 cases annually probably under-estimate the true incidence. the species, distribution and infection of ticks that are potential vectors of borrelia and the clinical and epidemiologi ... | 2009 | 19695158 |
| coxiella burnetii in humans and ticks in rural senegal. | q fever is a worldwide zoonotic disease caused by coxiella burnetii. epidemiologically, animals are considered reservoirs and humans incidental hosts. | 2010 | 20386603 |
| [role of ticks of the species argas persicus oken, 1818, in the epizootology of pullorum disease in birds]. | studies was the role played by ticks of the argas persicus species in the epizootiology of pullorum disease in birds. use was made of microbiologic, radiometric, and autoradiographic methods to follow up the period of carrying salmonella gallinarum-pullorum, the localization and routes of elimination of the causative agent as well as the possibility of transmitting the infection by ticks. the pathogen was found to persist in the alimentary tract for a long time (at least 8 months--as long as the ... | 1975 | 1210005 |
| effect of mating on oogenesis and oviposition in the tick argas persicus (oken). | | 1972 | 5053041 |
| paralysis in chickens caused by larvae of the poultry tick, argas persicus. | white leghorn pullets 20 weeks old submitted to the diagnostic laboratory were found heavily infested with the larval stage of the poultry tick, argas persicus. the birds were severely depressed and recumbent. the signs were quickly reversed when the tick larvae were removed. the rapid rate of recovery and negative results in detailed diagnostic procedures suggested that the tick larvae caused the paralysis. | 1976 | 938388 |
| studies on the feeding of larval argas persicus oken. | the development of the lesions caused by argas persicus larvae while feeding on chickens, their natural hosts, was followed using histological techniques. penetration of the skin by the mouthparts was accompanied by rapid lysis of the cells of the epidermis and dermis within 100 mum of the mouthparts. a foreign-body reaction developed within 2 mm of the attachment and was characterized by rapid dilation of blood vessels, emigration of leucocytes, particularly heterophil leucocytes (heterophils) ... | 1975 | 769378 |
| a note on argas persicus in khartoum province, sudan. | | 1978 | 756755 |
| [changes in the blood makeup in tick-borne paralysis caused by argas persicus (argasidae) tick larvae]. | | 1978 | 704141 |
| isolation of a virus strain from argas persicus ticks. | a previously undescribed virus was isolated from argas persicus ticks collected on sentinel chicken in western slovakia. the strain was lethal for suckling mice only after intracerebral inoculation. no symptoms were induced in adult mice. the virus strain was insensitive to sodium deoxycholate and resistant to ether treatment. an antigen prepared from the virus did not agglutinate goose or human o erythrocytes. the single strain obtained in 1976 appeared to be untrelated to a large number of kno ... | 1979 | 87124 |
| massive occurrence of rickettsiae of the spotted fever group in fowl tampan, argas persicus, in the armenian s.s.r. | fowl tampans (argas persicus) collected in oktemberyan in the armenian s.s.r. in 1974 were found to be massively infected with rickettsiae of the spotted fever (sf) group. one isolated rickettsial strain, designated armenia 9, is antigenically related to, and probably identical with, strain armenia 11 and strain b of rickettsia slovaca, isolated from dermacentor marginatus ticks. strain armenia 9 grows readily in chick embryo yolk sacs and in chick embryo cell (cec) and l-cell cultures. it cause ... | 1977 | 22239 |
| relapsing fever borrelia in ornithodoros ticks from bolivia. | | 2011 | 21929883 |
| borrelia, rickettsia, and ehrlichia species in bat ticks, france, 2010. | argas vespertilionis, an argasid tick associated with bats and bat habitats in europe, africa, and asia has been reported to bite humans; however, studies investigating the presence of vector-borne pathogens in these ticks are lacking. using molecular tools, we tested 5 a. vespertilionis ticks collected in 2010 from the floor of a bat-infested attic in southwestern france that had been converted into bedrooms. rickettsia sp. avbat, a new genotype of spotted fever group rickettsiae, was detected ... | 2012 | 23171714 |
| investigation of blood parasites in livestock infested with argasid and ixodid ticks in egypt. | nineteen species and subspecies of ixodid and argasid ticks, hyalomma dromedarii, h. impeltatum, h. anatolicum excavatum, h. a. anatolicum, h. truncatum, h. m. marginatum, h. m. rufipes, h. m. turanicum, boophilus annulatus, rhipicephalus sanguineus, r. turanicus, r. guilhoni, r. camicasi, amblyomma lipidum, a. marmoreum, a. vareigatum, argas persicus, a. hermanii and a. arboreus were collected from different localities in five governorates, giza, sharkia, ismailia, el beheira and sinai. hyalomm ... | 2001 | 11478436 |
| tick-borne infections in human and animal population worldwide. | the abundance and activity of ectoparasites and its hosts are affected by various abiotic factors, such as climate and other organisms (predators, pathogens and competitors) presenting thus multiples forms of association (obligate to facultative, permanent to intermittent and superficial to subcutaneous) developed during long co-evolving processes. ticks are ectoparasites widespread globally and its eco epidemiology are closely related to the environmental conditions. they are obligatory hematop ... | 2015 | 27047089 |
| tick-borne diseases in turkey: a review based on one health perspective. | the importance of tick-borne diseases is increasing all over the world, including turkey. global warming, environmental and ecological changes and the existence of suitable habitats increase the impact of ticks and result in frequent emergence or re-emergence of tick-borne diseases (tbds) with zoonotic characteristics. in turkey, almost 19 tbds have been reported in animals and men, involving four protozoa (babesiosis, theileriosis, cytauxzoonosis, hepatozoonosis), one filarial nematode (acantho ... | 2016 | 27977689 |
| novel borrelia species detected in echidna ticks, bothriocroton concolor, in australia. | to date, little has been documented about microorganisms harboured within australian native ticks or their pathogenic potential. recently, a borrelia sp. related to the relapsing fever (rf) group was identified in a single tick removed from a wild echidna (tachyglossus aculeatus). the present study investigated the presence of borrelia in 97 bothriocroton concolor ticks parasitizing echidnas in queensland, new south wales, and victoria, australia, using nested pcr with borrelia-specific primers ... | 2016 | 27301754 |
| evaluation of pcr-based methods for discrimination of francisella species and subspecies and development of a specific pcr that distinguishes the two major subspecies of francisella tularensis. | previous studies have demonstrated that the four subspecies of the human pathogen francisella tularensis, despite showing marked variations in their virulence for mammals and originating from different regions in the northern hemisphere, display a very close phylogenetic relationship. this property has hampered the development of generally applicable typing methods. to overcome this problem, we evaluated the use of pcr for discrimination of the subspecies using various forms of long arbitrary pr ... | 2000 | 11060087 |
| whole genome phylogenetic investigation of a west nile virus strain isolated from a tick sampled from livestock in north eastern kenya. | west nile virus (wnv) has a wide geographical distribution and has been associated to cause neurological disease in humans and horses. mosquitoes are the traditional vectors for wnv; however, the virus has also been isolated from tick species in north africa and europe which could be a means of introduction and spread of the virus over long distances through migratory birds. although wnv has been isolated in mosquitoes in kenya, paucity of genetic and pathogenicity data exists. we previously rep ... | 2014 | 25430727 |
| vectors of crimean congo hemorrhagic fever virus in iran. | ticks are important vectors and reservoirs of crimean congo hemorrhagic fever (cchf) virus. human beings may be infected whenever the normal life cycle of the infected ticks on non-human vertebrate hosts is interrupted by the undesirable presence of humans in the cycle. a total of 26 species of argasid and ixodid ticks have been recorded in iran; including nine hyalomma, two rhipicephalus, two dermacentor, five haemaphysalis, two boophilus, one ixodes and two argas as well as three ornithodoros ... | 2015 | 26623426 |
| update on tick-borne rickettsioses around the world: a geographic approach. | tick-borne rickettsioses are caused by obligate intracellular bacteria belonging to the spotted fever group of the genus rickettsia. these zoonoses are among the oldest known vector-borne diseases. however, in the past 25 years, the scope and importance of the recognized tick-associated rickettsial pathogens have increased dramatically, making this complex of diseases an ideal paradigm for the understanding of emerging and reemerging infections. several species of tick-borne rickettsiae that wer ... | 0 | 24092850 |
| a survey of ticks (acari: ixodidae) of companion animals in australia. | ticks are among the most important vectors of pathogens affecting companion animals, and also cause health problems such as tick paralysis, anaemia, dermatitis, and secondary infections. twenty ixodid species have previously been recorded on dogs, cats, and horses in australia, including rhipicephalus sanguineus, ixodes holocyclus and haemaphysalis longicornis, which transmit tick-borne diseases. a survey of hard ticks (acari: ixodidae) was conducted during 2012-2015 to investigate tick species ... | 2016 | 27160149 |
| mediterranean spotted fever in southeastern romania. | although cases of mediterranean spotted fever (msf) have been reported for decades in southeastern romania, there are few published data. we retrospectively studied 339 patients, diagnosed with msf at the national institute of infectious diseases "prof. dr. matei bals" between 2000 and 2011, in order to raise awareness about msf in certain regions of romania. according to the raoult diagnostic criteria 171 (50.4%) had a score >25 points. mean age was 52.5 years. one hundred and fifty-five (90.6% ... | 2013 | 24024190 |
| host specificity in a diverse neotropical tick community: an assessment using quantitative network analysis and host phylogeny. | host specificity is a fundamental determinant of tick population and pathogen transmission dynamics, and therefore has important implications for human health. tick host specificity is expected to be particularly high in the tropics, where communities of ticks, hosts and pathogens are most diverse. yet the degree to which tropical tick species are host-specific remains poorly understood. combining new field data with published records, we assessed the specificity of tick-host associations in pan ... | 2016 | 27357506 |
| haemoglobinometry as a method to determine the blood meal size of two argasid tick species. | a standardized clinical method for measuring haemoglobin has been applied to measure the quantity of blood ingested by argas persicus and a. hermanni feeding on chicken and pigeons respectively. the blood fed ticks were added to a reagent which converts all haemoglobin to haemoglobincyanide (hicn) which can be read spectrophotometrically. the validity of this method was established by comparing haemoglobin determination with the size of blood meals measured by weight. linear relationships with h ... | 1999 | 10605498 |
| studies on chicken acquired resistance to argas (persicargas) persicus latereille (acari: argasidae) due to repeated infestation. | spring chickens were used for feeding argas persicus (females) daily over one week during both winter and summer seasons. acquired resistance to ticks was monitored by: 1) failure of ticks to replenish a blood meal from chickens bitten repeatedly by the infesting ticks during winter and summer seasons; 2) measurements of anti-tick activity in the chicken sera; 3) detection of changes in their serum proteins. chickens were bled after the 4th feeding, during the 1st, 2nd, 3rd and 4th weeks post-fe ... | 2001 | 11478446 |
| hard tick species of livestock and their bioecology in golestan province, north of iran. | a survey on tick species composition was carried out in golestan province iran during year 2010-2011.the aim was to determine tick species parasitizing domestic ruminants and their seasonal population dynamics. | 2013 | 25629071 |
| bayesian phylogeography of crimean-congo hemorrhagic fever virus in europe. | crimean-congo hemorrhagic fever (cchf) is a zoonosis mainly transmitted by ticks that causes severe hemorrhagic fever and has a mortality rate of 5-60%. the first outbreak of cchf occurred in the crimean peninsula in 1944-45 and it has recently emerged in the balkans and eastern mediterranean. in order to reconstruct the origin and pathway of the worldwide dispersion of the virus at global and regional (eastern european) level, we investigated the phylogeography of the infection by analysing 121 ... | 2013 | 24223988 |
| crimean-congo hemorrhagic fever in iran. | the presence of crimean-congo hemorrhagic fever virus (cchfv) in iran was first identified in studies of livestock sera and ticks in the 1970s, but the first human infection was not diagnosed until 1999. since that time, the number of cases of cchf in iran has markedly increased. through january 2012, articles in the published literature have reported a total of 870 confirmed cases, with 126 deaths, for a case fatality rate (cfr) of 17.6%. the disease has been seen in 26 of the country's 31 prov ... | 2013 | 23872313 |
| theileria, babesia, and anaplasma detected by pcr in ruminant herds at bié province, angola. | distribution of anaplasma spp., babesia spp., theileria spp., and ehrlichia ruminantium, was for the first time studied in bié province, central angola. we examined 76 blood samples of cattle originated from seven farms, and 13 blood samples of goats from two farms employing molecular genetic tools (pcr). most prevalent was a. ovis-infection in goats (100%) and a. marginale-infection in cattle (38% of examined animals, and six out of seven farms). b. bigemina-infection was detected in only one s ... | 0 | 23193527 |
| invasion: exotic ticks (acari: argasidae, ixodidae) imported into the united states. a review and new records. | a review of the literature and unpublished records from the u.s. national tick collection on the importation of ticks from foreign lands reveals that at least 99 exotic tick species assignable to 11 genera have been either detected and destroyed at ports of entry or inadvertently imported into the united states in the past half century. this number includes four argasid and 95 ixodid species, some of which are important vectors of agents that cause disease to both man and animals. if one include ... | 2001 | 11761384 |
| control of the fowl tick, argas persicus (oken), on an alabama poultry farm. | | 1953 | 13108809 |
| study on presence of borrelia persica in soft ticks in western iran. | a molecular survey was conducted to investigate the presence of pathogenic borrelia persica species causing the tick borne relapsing fever (tbrf) in takistan district qazvin province, western iran. | 2010 | 22808396 |
| hard ticks on domestic ruminants and their seasonal population dynamics in yazd province, iran. | ticks are the main vectors for transmission of different pathogens to human and animals. this survey was performed to find out distribution of ticks, which infested the domestic ruminants in yazd province, central iran during year 2008-2009. | 2010 | 22808391 |
| argas persicus (oken 1818), (argasidae ixodoidea) in tanganyika territory. | | 1958 | 13609533 |
| argas persicus sensu stricto does occur in australia. | the status of argas persicus in australia has been a matter of controversy for over 25 years. although early records of a. persicus sensu stricto are common, a major revision of the genus indicated that these records refer to a. robertsi, first described in 1968 from northern australia, and to an "undescribed" member of the complex occurring in the south. here, we show that a. persicus sensu stricto does occur in southern australia and is the only species of argas in the area recorded from poult ... | 2004 | 15175879 |
| impact of ivermectin on the ultrastructure of the testis of argas (persicargas) persicus (ixodoidea: argasidae). | mated male argas persicus were dissected 1 and 2 weeks after feeding on untreated and ivermectin (ivm)-treated pigeons. one week after feeding, testes of untreated ticks were filled with rounded spermatids with subplasmalemmal vesicles and cytoplasmic organelles, but lacking in treated ticks. two weeks after feeding, testes were crowded with elongated spermatozoa supported by double-walled cisternal tubes. the tubes consisted of two opposite walls, each with outer-fringed processes and inner elo ... | 2005 | 16082929 |
| prevalence of ectoparasites of indigenous chickens from dalahu region, kermanshah province, iran. | ectoparasitism is an important factor associated with the poor production of indigenous chickens. the present study was undertaken to estimate the prevalence and ectoparasite diversity in indigenous chickens of the dalahu region in the western part of kermanshah province, iran. | 2016 | 27222329 |
| 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 |
| acaricidal efficacy of myrrh (commiphora molmol) on the fowl tick argas persicus (acari: argasidae). | five concentrations of purified extract of myrrh from commiphora molmol tree were prepared to study its effects on the fowl tick argas persicus under laboratory conditions. the results revealed that myrrh had dependant dose toxic effect on the adult female of a. persicus. toxicity increased gradually daily post treatment. the lc50 was 1.28%, 0.88%, 0.84%, 0.50% and 0.42% at ist, 2nd, 3rd, 6th and 12th days respectively. at 12th day, the recorded mortality rates were 63, 67, 76, 87 and 94% for co ... | 2005 | 16083075 |
| comparative study of anaplasma parasites in tick carrying buffaloes and cattle. | a comparative study on the prevalence of anaplasma parasite was conducted on ticks carrying buffaloes and cattle. five hundred blood samples of both animals (250 of each) were collected during february, march and april. thin blood smears on glass slides were made, fixed in 100% methyl alcohol and examined. microscopic examination revealed that 205 (41%) animals had anaplasma parasites, out of which 89, 44 and 72 animals had anaplasma marginale, anaplasma centrale and mixed infection respectively ... | 2005 | 16252338 |
| [local anomalies in ticks larvae (acari: ixodida)]. | three anomalies in the anus structure of hyalomma marginatum marginatum larvae, two anomalies in argas reflexus larvae, i.e. the lack of the left chelicera and the second pair of limbs at the right side, and disorder in chetotaxy of argas persicus larvae were examined in this research. these anomalies have not been described so far in the literature. | 2004 | 16859039 |
| rickettsial agents in egyptian ticks collected from domestic animals. | to assess the presence of rickettsial pathogens in ticks from egypt, we collected ticks from domestic and peridomestic animals between june 2002 and july 2003. dna extracts from 1019 ticks were tested, using pcr and sequencing, for anaplasma spp., bartonella spp., coxiella burnetii, ehrlichia spp., and rickettsia spp. ticks included: 29 argas persicus, 10 hyalomma anatolicum anatolicum, 55 hyalomma anatolicum excavatum, 174 hyalomma dromedarii, 2 hyalomma impeltatum, 3 hyalomma marginatum rufipe ... | 2006 | 17004028 |
| [the presence of argas persicus in italy (oken, 1818)]. | | 2014 | 13369909 |
| the ticks (acari: ixodida: argasidae, ixodidae) of paraguay. | the ticks reported in paraguay, which are here reviewed, can be categorized as 'endemic or established' (argas persicus or a sibling species, ornithodoros hasei, o. rostratus, o. rudis, o. talaje/o. puertoricensis, amblyomma aureolatum, am. auricularium, am. brasiliense, am. cajennense, am. calcaratum, am. coelebs, am. dissimile, am. dubitatum, am. incisum, am. longirostre, am. nodosum, am. ovale, am. pacae, am. parvum, am. pseudoconcolor, am. rotundatum, am. scutatum, am. tigrinum, am. triste, ... | 2007 | 17362600 |
| fowl spirochetosis transmitted by argas persicus (oken), 1818 from texas. | | 1947 | 17746226 |
| on the rôle of argas persicus oku, in the transmission of pasteurella avicida. | | 1930 | 29008713 |
| comparative susceptibility of cypermethrin in ornithodoros lahorensis neuman and argas persicus oken (acari: argasidae) field populations. | the toxicity of cypermethrin was determined in five different soft tick strains of argas persicus oken and ornithodoros lahorensis neuman by topical application method. the o. lahorensis bij, o. lahorensis west o1, o. lahorensis mesh, a. persicus lor, a. persicus west ap strains were collected from bijar, kurdistan province, takab, western azerbaijan province, meshkinshar, ardebil province, khoramabad, lorestan province, takab, western azerbaijan province of different areas of islamic republic o ... | 2007 | 19086595 |
| comparative efficacy of spinosad with conventional acaricides against hard and soft tick populations from antalya, turkey. | the acaricidal efficacy of ceramic tiles treated at field application rates with either spinosad (mozkill 120 sc, 0.01 g ai/m(2)), deltamethrin (impotek deltamethrin ew, 0.01 g ai/m(2)), permethrin+esbiothrin (chrysamed, 0.1 g ai/m(2)), chlorpyrifos-methyl (chlortoks ec 50, 0.2 g ai/m(2)) or a mixture of alpha-cypermethrin/tetramethrin/piperonyl butoxide (ecorex alfa se, 0.01 g ai/m(2)), against larval rhipicephalus turanicus and argas persicus ticks was determined in laboratory bioassays. all t ... | 2009 | 19446398 |
| genetic characterization of ticks from southwestern romania by sequences of mitochondrial cox1 and nad5 genes. | in the present study, samples representing three hard tick species and one soft tick species, namely dermacentor marginatus, haemaphysalis punctata, ixodes ricinus and argas persicus from southwestern romania, and one hard tick, haemaphysalis longicornis, from china were characterized genetically by a portion of mitochondrial cytochrome c oxidase subunit 1 gene (pcox1) and a portion of nicotinamide adenine dinucleotide dehydrogenase subunit 5 gene (pnad5). the pcox1 and pnad5 were amplified sepa ... | 2010 | 20473707 |
| metarhizium anisopliae (ascomycota: hypocreales): an effective alternative to chemical acaricides against different developmental stages of fowl tick argas persicus (acari: argasidae). | the fowl bloodsucking tick argas persicus is of great medical and veterinary importance in tropical and subtropical regions because of its role as vector of certain parasitic, bacterial and viral pathogens. a variety of acaricides are used for the control of tick infestation in poultry, resulting in environmental contamination and the development of resistance. in order to develop an alternative control method, the efficacy of three strains (v245, 685 and 715c) of entomopathogenic fungus metarhi ... | 2010 | 20541868 |
| effect of ivermectin on the integument and dorsoventral muscles of the tick argas (persicargas) persicus (oken) (ixodoidea: argasidae). | light and transmission electron microscopy (tem) revealed that integument of argas persicus consisted of cuticle underlined with epidermal cells. cuticle consisted of outer epicuticle and inner procuticle. epicuticle is further subdivided into thin wax, thin electron dense cuticulin, and thick less electron dense protein epicuticle layers. the procuticle consisted of exo-, endo-, and subcuticle. the procuticle contained numerous pore canals emerged from epidermal cells. dermal glands were scatte ... | 2010 | 20607289 |
| the fowl tick, argas (persicargas) persicus (ixodoidea: argasidae): description of the egg and redescription of the larva by scanning electron microscopy. | this scanning electron microscopy study revealed that the egg of argas persicus was covered with chorion which appeared as a wrinkled layer containing regions of three textures. the first had elevated parts of slightly rough surface. the second had irregular smooth elevations; each carried numerous parallel horizontal foldings with vertical ridges. the last region had rough surface with irregularly shaped projections. following the removal of the chorion, shell was observed to have one polar mic ... | 2010 | 20607364 |
| evaluation of bacillus thuringiensis pathogenicity for a strain of the tick, rhipicephalus microplus, resistant to chemical pesticides. | the pathogenicity of four native strains of bacillus thuringiensis against rhipicephalus (boophilus) microplus (canestrine) (acari: ixodidae) was evaluated. a r. microplus strain that is resistant to organophosphates, pyrethroids, and amidines, was used in this study. adult r. microplus females were bioassayed using the immersion test of drummond against 60 b. thuringiensis strains. four strains, gp123, gp138, gp130, and gp140, were found to be toxic. for the immersion test, the total protein co ... | 2010 | 21062139 |
| first detection of african swine fever virus in ornithodoros porcinus in madagascar and new insights into tick distribution and taxonomy. | abstract: | 2010 | 21118485 |
| tick paralysis in australia caused by ixodes holocyclus neumann. | ticks are obligate haematophagous ectoparasites of various animals, including humans, and are abundant in temperate and tropical zones around the world. they are the most important vectors for the pathogens causing disease in livestock and second only to mosquitoes as vectors of pathogens causing human disease. ticks are formidable arachnids, capable of not only transmitting the pathogens involved in some infectious diseases but also of inducing allergies and causing toxicoses and paralysis, wit ... | 2011 | 21396246 |
| genome characterisation of the genus francisella reveals insight into similar evolutionary paths in pathogens of mammals and fish. | prior to this study, relatively few strains of francisella had been genome-sequenced. previously published francisella genome sequences were largely restricted to the zoonotic agent f. tularensis. only limited data were available for other members of the francisella genus, including f. philomiragia, an opportunistic pathogen of humans, f. noatunensis, a serious pathogen of farmed fish, and other less well described endosymbiotic species. | 2012 | 22727144 |
| common epidemiology of rickettsia felis infection and malaria, africa. | this study aimed to compare the epidemiology of rickettsia felis infection and malaria in france, north africa, and sub-saharan africa and to identify a common vector. blood specimens from 3,122 febrile patients and from 500 nonfebrile persons were analyzed for r. felis and plasmodium spp. we observed a significant linear trend (p<0.0001) of increasing risk for r. felis infection. the risks were lowest in france, tunisia, and algeria (1%), and highest in rural senegal (15%). co-infections with r ... | 0 | 24188709 |
| morphological and molecular identification of the brown dog tick rhipicephalus sanguineus and the camel tick hyalomma dromedarii (acari: ixodidae) vectors of rickettsioses in egypt. | rickettsioses have an epidemiological importance that includes pathogens, vectors, and hosts. the dog tick rhipicephalus sanguineus and the camel tick hyalomma dromedarii play important roles as vectors and reservoirs of rickettsiae. the aim of this study was to determine the prevalence of rickettsiae in ixodid ticks species infesting dogs and camels in egypt, in addition to, the morphological and molecular identification of r. sanguineus and h. dromedarii. | 2016 | 27847418 |
| prevalence of parasites and associated risk factors in domestic pigeons (columba livia domestica) and free-range backyard chickens of sistan region, east of iran. | this study was carried out on free-range backyard chickens and domestic pigeons (columba livia domestica) from december 2010 to november 2011 to determine the prevalence, intensity and species of internal and external parasites in sistan region, east of iran. of the total of 59 (27 males and 32 females) free-range backyard chickens and 46 (26 males and 20 females) domestic pigeons inspected, 55 (93.22 %) and 39 (84.78 %) were infected respectively. ten species of free-range backyard chickens par ... | 2012 | 24082532 |
| biocontrol of pigeon tick argas reflexus (acari: argasidae) by entomopathogenic fungus metarhizium anisopliae (ascomycota: hypocreales). | the pigeon tick argas reflexus is a pathogen-transmitting soft tick that typically feeds on pigeons, but can also attack humans causing local and systemic reactions. chemical control is made difficult due to environmental contamination and resistance development. as a result, there is much interest in increasing the role of other strategies like biological control. in this study, the efficacy of three strains (v245, 685 and 715c) of entomopathogenic fungus metarhizium anisopliae for biological c ... | 2011 | 24031777 |
| 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 |
| candidatus rickettsia hoogstraalii in ethiopian argas persicus ticks. | ethiopian soft ticks argas persicus, hard ticks including both amblyomma variegatum and rhipicephalus (boophilus) spp., and fleas were collected from livestock, traditional human dwellings, and cracks and crevices of trees. they were assessed in pools for the presence of rickettsia using pcr-based methods. the extracted tick dna was subjected to molecular screening for rickettsia, which revealed 50.5% of the pooled samples to be positive for rickettsia spp. these were then subjected to multi-gen ... | 2012 | 23140898 |
| prevalence of ectoparasites in free-range backyard chickens, domestic pigeons (columba livia domestica) and turkeys of kermanshah province, west of iran. | this study was carried out on free-range backyard chickens, domestic pigeons (columba livia domestica) and turkeys from may 2012 to april 2013 to determine the prevalence and identify the species of ectoparasites in kermanshah province, west of iran. of the total of 600 free-range backyard chickens (185 ♂ and 415 ♀), 700 domestic pigeons (278 ♂ and 422 ♀) and 150 turkeys (53 ♂ and 97 ♀), 389 (64.83 %), 608 (86.85 %) and 54 (36 %) were infected with one or more parasites respectively. eleven ecto ... | 2016 | 27413319 |
| erratum to: the acaricidal efficacy of peracetic acid and deltamethrin against the fowl tick, argas persicus, infesting laying hens. | the fowl tick, argas persicus (oken), is of veterinary importance as a parasite of poultry and wild birds. the antitick efficacy, in vitro and in vivo, of peracetic acid (paa) and deltamethrin (dmt) was tested separately against a. persicus through the dipping technique. paa (0.5%) was highly efficient against soft tick larvae (a. persicus), resulting in 100 % mortality after 2 min. the lethal concentrations lc₅₀ and lc₉₅ were 0.310 and 0.503 %, respectively. the lethal time values lt₅₀ and lt₉₅ ... | 2013 | 23955563 |