| molecular epizootiology of canine hepatozoonosis in croatia. | an epizootiological survey was conducted to investigate the prevalence of hepatozoonosis in a population of 924 apparently asymptomatic dogs from different regions of croatia. dna was isolated from canine blood and screening pcr on the 666 bp fragment of 18s rrna revealed that 108 (11.8%) of dogs were infected. positive samples were confirmed by partial sequencing of the 18s rrna gene. the consensus sequences, derived from various sequence data sets, were compared with sequences of 18s ssrrna of ... | 2009 | 19249302 |
| diagnosis of hepatozoon canis in young dogs by cytology and pcr. | abstract: | 2011 | 21489247 |
| a molecular survey of piroplasmida and hepatozoon isolated from domestic and wild animals in burgos (northern spain). | this study reports a molecular survey of hepatozoon species and of the order piroplasmida in the province of burgos, northern spain. the diagnostic techniques employed included pcr and the sequencing of the 18s rrna gene. eighty-nine blood samples from domestic animals plus 138 blood/coagulated blood samples from wild mammals were examined. theilerid protozoa were found at relatively high frequencies in bovines (14.6%) and horses (36%). theileria buffeli, t. sergenti and t. annulata were diagnos ... | 2009 | 19297099 |
| novel hepatozoon in vertebrates from the southern united states. | abstract novel hepatozoon spp. sequences collected from previously unrecognized vertebrate hosts in north america were compared with documented hepatozoon 18s rrna sequences in an effort to examine phylogenetic relationships between the different hepatozoon organisms found cycling in nature. an approximately 500 base pair fragment of 18s rdna common to hepatozoon spp. and some other apicomplexans was amplified and sequenced from the tissues or blood of 16 vertebrate host species from the souther ... | 2011 | 21506825 |
| detection of a hepatozoon and spotted fever group rickettsia species in the common marsupial tick (ixodes tasmani) collected from wild tasmanian devils (sarcophilus harrisii), tasmania. | tasmanian devils are the largest extant marsupial carnivores, confined to the australian island state of tasmania. the iconic marsupial has dramatically declined in number since the discovery of devil facial tumor disease in 1996 and efforts are being made to uncover vital information to assist in the long-term survival of the species. ticks are the main vectors of arthropod-borne disease in animals, raising the question of whether tasmanian devils may be host to arthropods capable of harboring ... | 2009 | 19303711 |
| perspectives on canine and feline hepatozoonosis. | two species of hepatozoon are currently known to infect dogs and cause distinct diseases. hepatozoon canis prevalent in africa, asia, southern europe, south america and recently shown to be present also in the usa causes infection mainly of hemolymphoid organs, whereas hepatozoon americanum prevalent in the southeastern usa causes myositis and severe lameness. h. americanum is transmitted by ingestion of the gulf coast tick amblyomma maculatum and also by predation on infected prey. h. canis is ... | 2011 | 21620568 |
| hepatozoon canis infecting dogs in the state of espírito santo, southeastern brazil. | from may 2007 to march 2008, blood samples were collected from 92 healthy dogs living in 21 households (17 farms in rural area, and 4 homes in urban area) in 6 counties of the state of espírito santo, southeastern brazil. in addition, ticks were collected from these dogs. a mean of 4.4+/-3.0 dogs (range: 1-12) were sampled per household; 78 and 14 dogs were from rural and urban areas, respectively. polymerase chain reaction (pcr) designed to amplify fragments of the 18s rdna gene of babesia spp ... | 2009 | 19482427 |
| a survey of canine tick-borne diseases in india. | abstract: background: there are few published reports on canine babesia, ehrlichia, anaplasma, hepatozoon and haemotropic mycoplasma infections in india and most describe clinical disease in individual dogs, diagnosed by morphological observation of the microorganisms in stained blood smears. this study investigated the occurrence and distribution of canine tick-borne disease (tbd) pathogens using a combination of conventional and molecular diagnostic techniques in four cities in india. results: ... | 2011 | 21771313 |
| hepatozoon canis infection in ticks during spring and summer in italy. | hepatozoon canis is a common protozoan of dogs, being among the most prevalent tick-borne pathogens infecting dogs around the world. it is primarily transmitted by rhipicephalus sanguineus, the brown dog tick. in this study we tested ticks collected from dogs and from the environment in order to track the origin of an outbreak of h. canis infection detected in october 2009 in a private dog shelter in southern italy. ticks from dogs (n?=?267) were collected during the spring of 2009, whereas tick ... | 2011 | 21769649 |
| clinical and hematological signs associated with dogs naturally infected by hepatozoon sp. and with other hematozoa: a retrospective study in uberlândia, minas gerais, brazil. | an evaluation was made of the clinical and hematological aspects of 115 dogs infected naturally by hepatozoon sp. and treated at the hospital school of the faculty of veterinary medicine in uberlândia, mg, brazil. of the 115 dogs for whom peripheral blood films were evaluated, 89 (77.39%) presented parasitemia by hepatozoon sp. solely, while 26 (22.61%) had combination of hepatozoon sp., babesia sp. and ehrlichia sp. young male dogs less than a year old, of undefined breed (ub), were the most co ... | 2008 | 18304739 |
| phylogenetic analysis of hepatozoon species (apicomplexa: adeleorina) infecting frogs of nova scotia, canada, determined by its-1 sequences. | species of hepatozoon are apicomplexan parasites infecting tetrapod vertebrates and hematophagous arthropods. two species, hepatozoon catesbianae and hepatozoon clamatae, have been described inhabiting the erythrocytes of bullfrogs and green frogs. a number of characteristics typically used to distinguish between members of this genus are shared between these 2 species, prompting speculation as to whether or not these organisms are in fact distinct species. to test the species distinction, bullf ... | 2007 | 18314691 |
| experimental transmission of hepatozoon americanum to new zealand white rabbits (oryctolagus cuniculus) and infectivity of cystozoites for a dog. | inflammatory lesions containing parasitic cystozoites developed in multiple organs and tissues of laboratory-raised oryctolagus cuniculus that were administered approximately 100 sporulated oocysts of hepatozoon americanum (oklahoma isolate, genbank accession af176836) orally. the predominantly granulomatous inflammatory lesions were detected histologically 8 weeks after exposure to oocysts. cystozoites, recognized by cresent-shaped, uninucleated bodies surrounded by an accumulation of globular, ... | 2009 | 19559533 |
| neutropenia associated with osteomyelitis due to hepatozoon canis infection in a dog. | a 4-year-old, intact male shiba dog was referred to yamaguchi university animal medical center, yamaguchi, japan for the following complaints: anorexia, lethargy, intermittent fever, gingival bleeding, and abdominal purpura. the dog presented with persistent neutropenia. histopathological examination of the bone marrow sample revealed round to oval structures that resembled hepatozoon micromerozoites and formed a "wheel-spoke" pattern. furthermore, mature neutrophils were observed around these s ... | 2011 | 21697643 |
| parasitological and molecular features of the hepatozoon species in the myocardium of japanese martens (martes melampus melampus). | the hepatozoon species in the myocardium of japanese martens (martes melampus melampus) was characterized by histological and molecular methods. histologically, granulomatous nodules with hepatozoon sp. merozoites/gametocytes, or schizonts, or both were observed in the hearts of japanese martens. the most frequently observed forms were merozoites/gametocytes within phagocytes; each host cell included a zoite, which was not microscopically identifiable as a merozoite or gametocyte. schizonts were ... | 2009 | 19575543 |
| prevalence of blood parasites in seabirds - a review. | abstract: | 2011 | 22035144 |
| the first report of hepatozoon species infection in leopard cats (prionailurus bengalensis) in korea. | hepatozoon species infections were detected in 4 of 5 heart samples from leopard cats (prionailurus bengalensis) in korea examined by light microscopy and pcr. microscopically, the schizonts of the hepatozoon species were observed within the parasitophorous vacuoles of unidentified host cells that were located between myocytes. the schizonts were approximately 31 +/- 4 x 19 +/- 3 microm in size; 3 mature schizonts contained approximately 24, 25, and 35 merozoites. in analyses of the partial 18s ... | 2010 | 19891517 |
| Infection with a Hepatozoon sp. closely related to Hepatozoon felis in a wild Pampas gray fox (Lycalopex -Pseudalopex -gymnocercus) co-infected with canine distemper virus. | A species of Hepatozoon closely related to Hepatozoon felis found in the skeletal and cardiac muscle of a wild Pampas gray fox (Lycalopex gymnocercus) is described. The fox was euthanized after showing severe incoordination. On necropsy and histopathology there was bilateral, diffuse, severe, sub-acute, necrotizing bronchointerstitial pneumonia, with intracytoplasmic and intranuclear eosinophilic inclusion bodies. Canine distemper virus was detected by immunohistochemistry in the bronchiolar epi ... | 2011 | 22112977 |
| Morphological, morphometric, and molecular characterization of Hepatozoon spp. (Apicomplexa, Hepatozoidae) from naturally infected Caudisona durissa terrifica (Serpentes, Viperidae). | Hepatozoon spp. are the most frequent intracellular protozoa in snakes. Considering the variety of parasites infecting specimens of Caudisona durissa terrifica and the divergent data in literature where only two species, Hepatozoon romani and Hepatozoon capsulata, are described, the aim of this study was to morphologically, morphometrically, and molecularly characterize Hepatozoon spp. from some naturally infected specimens of C. durissa terrifica, and observe changes caused by these protozoa in ... | 2011 | 21922238 |
| molecular characterization of hepatozoon spp. infection in endangered indian wild felids and canids. | hepatozoon species are parasites that infect a wide variety of domestic and wild animals. the objective of this study was to perform the molecular detection and characterization of hepatozoon spp. in asiatic lion, indian tiger, indian leopard, indian wild dog, indian domestic dog and cat based on partial 18s rrna gene sequences from hepatozoon spp. in the naturally infected animals. hepatozoon spp. could be detected in blood samples of 5 out of 9 asiatic lions, 2 out of 5 indian tigers, 2 out of ... | 2011 | 22154254 |
| experimental transmission of hepatozoon clamatae (apicomplexa: adeleida) to the wood frog, rana sylvatica, and to the mosquito culex pipiens. | hepatozoon clamatae naturally infects the erythrocytes of green frogs (rana clamitans), bullfrogs (rana catesbeiana), and northern leopard frogs (rana pipiens) in northeastern north america and uses the mosquito culex territans as a definitive host. in this study, we show that the wood frog, rana sylvatica, supports merogonic development, but not gamogonic development, of this protozoan parasite, and that the mosquito culex pipiens serves as an experimental definitive host for sporogonic develop ... | 2010 | 19895159 |
| detection of babesia canis subspecies and other arthropod-borne diseases in dogs from tirana, albania. | summary. the importance of arthropod-borne diseases increased in the recent past in particular due to frequent travel with dogs in or by importing of dogs from regions with endemic occurrence of these diseases. while the epidemiological situation is well known for the western parts of the mediterranean, only limited data is available for eastern europe and the balkans. thirty clinically healthy dogs from suburban areas of tirana, albania, were tested for babesia canis, hepatozoon spp., leishmani ... | 2009 | 19915816 |
| parasites and vector-borne pathogens of southern plains woodrats (neotoma micropus) from southern texas. | from 2008 to 2010, southern plains woodrats (neotoma micropus) from southern texas, were examined for parasites and selected pathogens. eight helminth species were recovered from 97 woodrats including, trichuris neotomae from 78 (prevalence = 80%), ascarops sp. from 42 (43%), nematodirus neotoma from 31 (32%), raillietina sp. from nine (9%), taenia taeniaeformis larvae from eight (8%), and an unidentified spiurid, a scaphiostomum sp. and a zonorchis sp. each from a single woodrat. besnotia neoto ... | 2011 | 22108764 |
| molecular survey of apicomplexa in podarcis wall lizards detects hepatozoon, sarcocystis and eimeria species. | abstract the occurrence of apicomplexan parasites in podarcis wall lizards from the iberian peninsula and balearic islands was studied by amplification and sequencing of the 18s rrna gene. species from three genera, hepatozoon, sarcocystis and eimeria were detected. the phylogenetic analysis of the 18s rrna gene provides unexpected insights into the evolutionary history of these parasites. all hepatozoon specimens were recovered as part of a clade already identified in lizards from north afric ... | 2011 | 22128850 |
| blood parasites of frogs from an equatorial african montane forest in western uganda. | in a survey of blood parasites in ugandan frogs, 30 (17%) of 180 frogs were infected with at least 1 species of hepatozoon or trypanosoma, or with microfilariae. there were significant differences in the prevalence of parasitism among species, with parasitemia detected in only 3 of 9 species. the intensity of blood parasite infection ranged from 1 to 1,080 infected cells per 5,000 cells examined. seasonal changes in the prevalence and intensity of parasitemia were not observed, nor was there any ... | 2010 | 19958047 |
| haemogregarine blood parasites in the lizards podarcis bocagei (seoane) and p. carbonelli (pérez-mellado) (sauria: lacertidae) from nw portugal. | in iberian and canarian lizards, haemogregarines have been recorded infecting erythrocytes, but most of the records correspond to mature gametocytes. we analysed blood smears from 75 specimens of podarcis bocagei (seoane) and 33 specimens of p. carbonelli (pérez-mellado) from localities of north-western portugal. we found haemogregarines in 74.7% of p. bocagei and 69.7% of p. carbonelli. our observations show characteristics of the haemogregarines other than the morphology of the mature gametocy ... | 2010 | 20012520 |
| molecular detection of hemoprotozoa and rickettsia species in arthropods collected from wild animals in the burgos province, spain. | limited information on the presence of bacterial and hematozoan infections in parasitic arthropods from spain is available. in an attempt to address this issue, the prevalence of theileria, babesia, hepatozoon, and rickettsia species was investigated by polymerase chain reaction plus sequencing. in a survey for zoonotic pathogens in ectoparasites, 42 wild animals (which included rodents, carnivores, sciuridae, and cervidae) were captured in burgos (spain). a total of 256 arthropods (including 10 ... | 2010 | 20055580 |
| failure of imidocarb dipropionate to eliminate hepatozoon canis in naturally infected dogs based on parasitological and molecular evaluation methods. | the efficacy of imidocarb dipropionate for the treatment of hepatozoon canis infection was studied in three naturally infected asymptomatic dogs followed longitudinally over 8 months. response to treatment was followed by monitoring blood counts, parasitemia levels in blood, parasite in concentrated buffy-coat smears and by pcr. the dogs were initially treated with a low dose of 3 mg/kg imidocarb dipropionate twice a month and when parasitemia persisted after five treatments, with the regular do ... | 2010 | 20444549 |
| developmental stages and molecular phylogeny of hepatozoon tuatarae, a parasite infecting the new zealand tuatara, sphenodon punctatus and the tick, amblyomma sphenodonti. | the developmental stages of hepatozoon tuatarae were elucidated in both the tuatara host, sphenodon punctatus and the tick, amblyomma sphenodonti. pcr amplicons from a. sphenodonti samples identified dna matching h. tuatarae. dissection of tick samples showed oogenesis and sporogony occurring in the haemocoel of a. sphenodonti with the average mature oocyst size being 236 x 228 microm. partial sequence data of the parasite's small subunit ribosomal gene, obtained by pcr, was used for phylogeneti ... | 2010 | 20451526 |
| molecular survey of apicomplexa in podarcis wall lizards detects hepatozoon, sarcocystis and eimeria species. | abstract the occurrence of apicomplexan parasites in podarcis wall lizards from the iberian peninsula and balearic islands was studied by amplification and sequencing of the 18s rrna gene. species from three genera, hepatozoon, sarcocystis and eimeria were detected. the phylogenetic analysis of the 18s rrna gene provides unexpected insights into the evolutionary history of these parasites. all hepatozoon specimens were recovered as part of a clade already identified in lizards from north afric ... | 2011 | 22176558 |
| prevention of endemic canine vector-borne diseases using imidacloprid 10% and permethrin 50% in young dogs: a longitudinal field study. | canine vector-borne diseases (cvbds) are highly prevalent and increasing in distribution worldwide. a longitudinal study was conducted in southern italy to determine the incidence of and protection against cvbd-causing pathogens in dogs treated with a combination of imidacloprid 10% and permethrin 50% (imper). one hundred eleven autochthonous young dogs were divided into group a (n=63) and group b (n=48), both groups containing dogs positive and negative for one or more cvbd-causing pathogens. a ... | 2010 | 20591573 |
| molecular detection of hepatozoon spp. in brazilian and exotic wild carnivores. | hepatozoon spp. are apicomplexan parasites that infect a wide variety of animals. the infection occurs through the ingestion of a hematophagous arthropod definitive host. herein, we assessed the presence of hepatozoon spp. in 165 captive wild felids and 100 captive wild canids using molecular techniques. we found that 6 felids (4 little spotted cats, 1 jaguarondi, and 1 puma) and 5 canids (2 bush dogs, 1 fox, 1 crab-eating fox, and 1 maned wolf) were positive for hepatozoon spp. hepatozoon spp. ... | 2010 | 20630658 |
| molecular survey and genetic characterization of tick-borne pathogens in dogs in metropolitan recife (north-eastern brazil). | to identify dna of the main tick-borne pathogens in dogs from recife (brazil), polymerase chain reactions were carried out on blood samples of dogs treated at the veterinary hospital of the universidade federal rural de pernambuco from march 2007 to june 2008. the detection of dna was performed using specific primers. amplicons were analyzed through electrophoresis and sequencing. a phylogenetic tree was constructed using the upgma method, revealing that the sequences were closely related to tho ... | 2010 | 20680344 |
| update on the diagnosis and management of hepatozoon spp infections in dogs in the united states. | | 2010 | 20937496 |
| molecular characterization of hepatozoon species in reptiles from the seychelles. | hepatozoon parasites were examined for the first time in reptiles from the seychelles islands. although both prevalence and intensity were low, hepatozoon species were detected in individuals from 2 endemic species, the lizard mabuya wrightii and the snake lycognathophis seychellensis. this was confirmed using visual identification and through sequencing part of the 18s rrna gene. phylogenetic analysis indicates that the hepatozoon on the seychelles form a monophyletic lineage, although more dat ... | 2010 | 21348615 |
| failure of combination therapy with imidocarb dipropionate and toltrazuril to clear hepatozoon canis infection in dogs. | current treatments with imidocarb dipropionate for infected dogs with hepatozoon canis do not always provide parasitological cure. the objective of this study is to determine whether concomitant use of toltrazuril may potentiate the effect of imidocarb dipropionate in the management of h. canis infection (hci). twelve dogs were determined to have naturally hci based on clinical signs, identification of the parasite in blood smears, and serologic assay. the animals were allocated randomly to one ... | 2011 | 21472405 |
| molecular survey of hepatozoon species in lizards from north africa. | abstract the prevalence of hepatozoon parasites in 460 lizards from north africa was studied by amplification and sequencing of the 18s rrna gene. the phylogenetic analysis of the 18s rrna gene provides new insights into the phylogeny of these parasites with multiple genetically distinct lineages recovered. parasite prevalence differed significantly between lacertid lizards and geckos. our results show that there is limited host specificity and no clear relation to the geographical distribution ... | 2010 | 21506764 |
| molecular characterization of hepatozoon sp. in cats from são luís island, maranhão, northeastern brazil. | few molecular studies have been done concerning the molecular characterization of hepatozoon species among domestic and wild felids. the present work aimed to characterize molecularly the presence of hepatozoon sp. dna in cat blood samples from são luís island, maranhão state, northeastern brazil. edta-whole blood samples were collected from 200 domestic cats with outdoor and wood areas access from são luís, maranhão, brazil. each sample of extracted dna was used as a template in pcr reactions a ... | 2011 | 21607692 |
| anurans as paratenic hosts in the transmission of hepatozoon caimani to caimans caiman yacare and caiman latirostris. | prevalence of hepatozoon caimani has been reported in 76% of caimans caiman yacare from the pantanal region. culex (melanoconion) spp. mosquitoes were recently identified as natural vectors of this parasite. however, culicids are not typically eaten by crocodilians, suggesting that the main transmission route is through ingestion of insectivorous vertebrates, such as anurans. the susceptibility of wild frogs leptodactylus chaquensis, leptodactylus podicipinus and scinax nasicus to infection by h ... | 2011 | 21808978 |
| developmental stages of hepatozoon hemprichii sp. nov. infecting the skink scincus hemprichii and the tick hyalomma impeltatum from saudi arabia. | abstract the whole life cycle of hepatozoon hemprichii sp. nov. was discussed in the vertebrate host scincus hemprichii and the vector hyalomma impeltatum. erythrocytic stages of 18+1.8 x 4+0.8 ´ü¡m developed in the haemocoel of ticks to sporozoites within 16-18 days. schizogony occurred in the liver parenchyma and the endothelial cells of blood capillaries in lung and spleen. mature schizonts of 27+3.11 x 20.13+3.0 ´ü¡m producing 28 merozoites were usually recorded. the merozoites measured 13+1 ... | 2011 | 21711097 |
| a case of iriomote cat (prionailurus bengalensis iriomotensis) with hepatozoon felis parasitemia. | we herein present clinical findings of an iriomote cat with hepatozoon felis parasitemia. a male iriomote cat was captured for ecological analyses three times from january 2010 to january 2011. although this cat did not show any hematological abnormalities at the time of the first capture, h. felis parasitemia and increased serum creatine kinase levels were detected at the second and third captures. h. felis infection was confirmed by polymerase chain reaction, and amplified 18s ribosomal rna ge ... | 2011 | 21685717 |
| molecular prevalence and characterization of hepatozoon ursi infection in indian sloth bears (melursus ursinus). | hepatozoon species are parasites that infect a wide variety of domestic and wild animals. the objective of the study was to detect the occurrence of hepatozoon ursi in indian sloth bears and to characterize the parasite based on phylogenetic analysis of the partial 18s rrna gene sequence. hepatozoon infection could be detected in 38 (70%) out of fifty-four blood samples of indian sloth bears (captive and wild), suggestive of high prevalence of hepatozoon infection in indian sloth bears. sequenci ... | 2011 | 21723665 |
| acquisition and transmission of hepatozoon canis (apicomplexa: hepatozoidae) by the tick amblyomma ovale (acari: ixodidae). | the present study aimed to evaluate under controlled conditions the acquisition of hepatozoon canis by amblyomma ovale after feeding on infected dogs, and the subsequent induction of infection in uninfected dogs that ingested the experimentally infected ticks. two h. canis naturally infected dogs were infested with a. ovale adult ticks derived from an uninfected laboratory tick colony. after feeding, two a. ovale females presented h. canis oocysts in the hemolymph at the first and fourth days af ... | 2009 | 19501969 |
| molecular detection of hepatozoon canis and babesia canis vogeli in domestic dogs from cuiabá, brazil. | the objective of this study was to report for the first time infection by hepatozoon spp. and babesia spp. in 10 dogs from the city of cuiabá, state of mato grosso, central-western brazil. a pair of primers that amplifies a 574 bp fragment of the 18s rrna of hepatozoon spp., and a pair of primers that amplifies a 551 bp fragment of the gene 18s rrna for babesia spp. were used. six dogs were positive for babesia spp., and 9 were positive for hepatozoon spp. co‑infection of babesia spp. and hepato ... | 2011 | 21961759 |
| hepatozoon caimani (apicomplexa: hepatozoidae) in wild caiman, caiman yacare, from the pantanal region, brazil. | the prevalence and parasitemia of hepatozoon caimani in the natural population of the caiman, caiman yacare, from the pantanal area, state of mato grosso do sul, central brazil, were evaluated according to gender and month of capture from july 2006 to february 2008. blood samples were obtained bimonthly from a total of 229 caimans, and 76% were positive. prevalence varied significantly according to sampling month and animal size. almost all adults (100%) and young-adults (97%) were positive, whi ... | 2010 | 19685936 |
| alternate pathway of infection with hepatozoon americanum and the epidemiologic importance of predation. | the range of american canine hepatozoonosis (ach) is expanding from the southern usa northward. transmission of hepatozoon americanum occurs by ingestion of infected gulf coast ticks, amblyomma maculatum. the source of the protozoan for the tick remains undetermined; infected dogs are unusual hosts for the tick. | 2009 | 19709355 |
| epidemiological aspects on vector-borne infections in stray and pet dogs from romania and hungary with focus on babesia spp. | canine arthropod-borne infections are of major interest in small animal practice and have been widely investigated in central and western europe. however, only limited epidemiological data are available from south-eastern european countries, although diseases including babesiosis or dirofilariosis are widely recognised as important canine infections in these countries. a steadily increasing number of dogs imported from south-eastern europe into germany require particular attention by small anima ... | 2011 | 21947342 |
| hepatozoon spp infections in the united states. | two hepatozoon spp are recognized as parasites of domestic dogs in the united states, h. canis and h. americanum. h. canis was first described in india in 1905 and has been documented in many areas of the world, although not definitively identified in north america until recently. h. americanum, causing american canine hepatozoonosis, was first documented in a coyote in 1978 and is now considered an emerging etiologic agent of disease in domestic dogs throughout the united states. the authors re ... | 2011 | 22041213 |
| brazilian canine hepatozoonosis. | the genus hepatozoon includes hundreds of species that infect birds, reptiles, amphibians and mammals, in all continents with tropical and subtropical climates. two species have been described in domestic dogs: h. canis, reported in europe, asia, africa, south america and the united states; and h. americanum, which so far has only been diagnosed in the united states. in brazil, the only species found infecting dogs is h. canis. the objective of this review was to detail some aspects of canine he ... | 2011 | 21961746 |
| retrospective evaluation of laboratory data on canine vector-borne infections from the years 2004-2008. | the detection and therapy of canine vector-borne diseases in imported dogs are of major importance in small animal practice. over the last years, the import of dogs from the mediterranean region and southeast europe has increased, countries often endemic for a variety of vector-borne diseases such as babesiosis, hepatozoonosis, leishmaniosis, dirofilariosis or ehrlichiosis. this retrospective study presents the evaluation of data from our diagnostic laboratory on vector-borne infections in impor ... | 2011 | 21950219 |
| Cutaneous Hepatozoon canis infection in a dog from New Jersey. | A 7-month-old mixed-breed intact female dog was presented to a private veterinarian with a 2 cm in diameter raised, pruritic, alopecic, subcutaneous, fluctuant swelling over the right eye. Cytology of the mass revealed many degenerate neutrophils, moderate numbers of eosinophils, moderate numbers of macrophages, rare mast cells, and few erythrocytes. Rare neutrophils contained a protozoal agent compatible with a Hepatozoon gamont. Real-time polymerase chain reaction of peripheral blood was posit ... | 2011 | 21908296 |
| A HAEMOCYSTIDIUM (APICOMPLEXA: PLASMODIIDAE) SPECIES OF THE DHUB LIZARD, UROMASTYX AEGYPTIA MICROLEPIS, IN ABU DHABI, DISTINGUISHED BY THE ABSENCE OF PIGMENT. | Abstract The spiny-tailed lizard Uromastyx aegyptia microlepis, in Abu Dhabi is parasitized by Haemocystidium apigmentada n. sp., and 2 species of Hepatozoon. The elongate gametocytes of H. apigmentada are 13-19 X 6-9 m, with length X width 90-133 m, and L/W ratio 1.56-3.17. Gametocytes dimensions do not differ by sex. Gametocytes are unpigmented. Hepatozoon sp. 1 has gamonts with a consistnetly terminal nucleus, with dimensions 13-16 X 4.5-7 m, length X width 58-104 m2, and L/W ratio 2.00-3.2 ... | 2011 | 22141320 |
| molecular characterization of hepatozoon canis in dogs from colombia. | hepatozoonosis is a tick-borne disease whose transmission to dogs occurs by ingestion of oocysts infected ticks or feeding on preys infested by infected ticks. until now, there is no previous report of molecular characterization of hepatozoon sp. in dogs from colombia. edta blood samples were collected from 91 dogs from central-western region of colombia (bogotá, bucaramanga, and villavicencio cities) and submitted to 18s rrna hepatozoon sp. pcr and blood smears confection. phylogenetic analysis ... | 2012 | 22068216 |
| Pathological Study of Blood Parasites in Rice Field Frogs, Hoplobatrachus rugulosus (Wiegmann, 1834). | One hundred and forty adult rice field frogs, Hoplobatrachus rugulosus (Wiegmann, 1834), were collected in Srakaew province, Thailand. For blood parasite examination, thin blood smears were made and routinely stained with Giemsa. The results showed that 70% of the frogs (98/140) were infected with 5 species of blood parasites, including a Trypanosoma rotatorium-like organism, Trypanosoma chattoni, Hepatozoon sp. a, Hepatozoon sp. b, and Lankesterella minima. Pathological examination of the liver ... | 2011 | 21918731 |