| iatrogenic transmission of cytauxzoon felis from a florida panther (felix concolor coryi) to a domestic cat. | a laboratory cat died 12 days after intraperitoneal inoculation of a 1 ml suspension containing 1.5 x 10(6) blood mononuclear cells from a florida panther (felis concolor coryi). gross, histologic and ultrastructural investigations revealed the cause of death to be infection by cytauxzoon felis, a protozoal parasite known to cause a rapidly fatal disease (cytauxzoonosis) in domestic cats. the bobcat (felis rufus) has been identified as a natural host for c. felis. this report implicates the flor ... | 1991 | 2067059 |
| evidence of a limited schizogonous cycle for cytauxzoon felis in bobcats following exposure to infected ticks. | schizogonous tissue stages of cytauxzoon felis (apicomplexa: theileridae) were not observed by microscopic evaluation of impression smears of liver, spleen, lung and lymph nodes in 10 bobcats (lynx rufus) from oklahoma with naturally occurring piroplasm infections. schizogonous stages were observed in similar tissues from experimentally-infected bobcats at 11 days postexposure to infected dermacentor variabilis, but not at 30 days following tick feeding. the schizogonous cycle of this parasite a ... | 1987 | 3114505 |
| relationships between cytauxzoon felis and african piroplasmids. | a cat which had recovered from cytauxzoon felis infection following treatment with the anti-theilerial drug, parvaquone, showed an increase in piroplasm parasitemia after splenectomy and its blood was suitable for the preparation of antigen smears for the indirect fluorescent antibody test. high levels of antibodies were found in this cat after recovery, in two other cats sub-lethally infected with piroplasms and in sera of naturally infected bobcats. cats recovered from piroplasm infection died ... | 1987 | 3125663 |
| hematologic and serum chemical values for free-ranging bobcats, felis rufus (schreber), with reference to animals with natural infections of cytauxzoon felis kier, 1979. | | 1985 | 3999257 |
| cytauxzoonosis in bobcats. | blood from 4 wild-trapped bobcats (lynx rufus rufus) with naturally occurring infection by an intraerythrocytic piroplasm morphologically indistinguishable from the piroplasm form of cytauxzoon felis was inoculated parenterally into domestic cats. none of the bobcats had signs of disease at the time of capture or subsequently, but all remained parasitemic. erythroparasitemia developed in all 4 of the domestic cats inoculated with parasitemic bobcat blood. one of the domestic cats later died and ... | 1983 | 6417088 |
| transmission of cytauxzoon felis kier, 1979 from bobcats, felis rufus (schreber), to domestic cats by dermacentor variabilis (say). | | 1984 | 6492329 |
| interspecies transmission of cytauxzoon felis. | the causative agent of feline cytauxzoonosis was experimentally inoculated into 4 species of domestic farm animals, 9 species of laboratory animals, and 17 wildlife species. the inoculum consisted of freshly collected or deep-frozen blood and/or tissue homogenates from domestic cats euthanatized in extremis with experimentally transmitted feline cytauxzoonosis. a bobcat, lynx rufus floridanus (florida bobcat), developed cytauxzoonosis typical of the disease observed in domestic cats and died of ... | 1982 | 6807139 |
| experimental transmission of cytauxzoon felis from bobcats (lynx rufus) to domestic cats (felis domesticus). | freshly collected blood and/or spleen homogenate from an experimentally infected florida bobcat (lynx rufus floridanus), which had died of feline cytauxzoonosis, was inoculated into domestic cats. all inoculated cats had clinical signs of feline cytauxzoonosis and died within 2 weeks after they were inoculated. similar material collected from an eastern bobcat (lynx rufus rufus) carrying an experimentally infected cytauxzoon felis parasitemia was inoculated into domestic cats. all inoculated cat ... | 1982 | 6807145 |
| cytauxzoon-like piroplasms in erythrocytes of wild-trapped bobcats in oklahoma. | stained blood smears from 26 bobcats wildtrapped in 4 oklahoma counties were examined for protozoan parasites. a cytauxzoon-like piroplasm was observed in erythrocytes from 13 of 21 bobcats trapped in 2 counties. organisms were not observed in the 5 bobcats trapped in 2 other counties. the degree of parasitemia varied from less than 0.5% to 5% infected erythrocytes but commonly ranged from 1% to 3%. responding anemia was apparent in 1 of the 13 infected bobcats but other ill effects possibly att ... | 1982 | 7174437 |
| cytauxzoonosis in cats: eight cases (1985-1992). | cytauxzoonosis is a rapidly and highly fatal disease in cats that is caused by the protozoan cytauxzoon felis, which may be transmitted by ixodid ticks (dermacentor variabilis) from parasitemic bobcats (lynx rufus). during an 8-year period, cytauxzoonosis was diagnosed in 8 cats, 7 cats within 14 months. risk factors for these cats were warm weather, access to a wooded environment, and exposure to ticks. the most consistent clinical signs were acute lethargy, anorexia, decreased response to exte ... | 1994 | 7961073 |
| fatal cytauxzoonosis in a captive-reared white tiger (panthera tigris). | fatal (panthera tigris) cytauxzoonosis was diagnosed in a 7-year-old female white tiger. the tiger presented with a 2-day history of anorexia and lethargy. she was mildly dehydrated, with a temperature of 105.2 f and a hematocrit of 26%. over the next day, icterus developed, and her physical condition progressed to recumbency, coma, and death. hematologic findings obtained shortly before death included icteric plasma, severe thrombocytopenia, mild anemia, hematuria, and parasites consistent with ... | 1996 | 8826011 |
| administration of diminazene aceturate or imidocarb dipropionate for treatment of cytauxzoonosis in cats. | bobcats (lynx rufus) are the reservoir hosts for cytauxzoon felis, the causative agent of cytauxzoonosis. cytauxzoonosis is a highly fatal tickborne blood protozoal disease of domestic and exotic cats. treatment of clinically affected cats has generally been unrewarding. in our report, 6 of 7 cats had signs of illness and laboratory findings indicative of cytauxzoonosis and were successfully treated with 2 i.m. injections of diminazene aceturate or imidocarb dipropionate (2 mg/kg [0.9 mg/lb] of ... | 1999 | 10461632 |
| fatal cytauxzoonosis in a free-ranging bobcat (lynx rufus). | in september 2000, a free-ranging bobcat (lynx rufus) cub was presented to the kansas state university veterinary teaching hospital (manhattan, kansas, usa) in a moribund state with signs of severe anemia and respiratory difficulty. the cub was euthanized. gross necropsy findings included multifocal atelectasis, splenomegaly, and pericardial effusion. microscopic examination revealed subacute pulmonary thrombosis, mild vasculitis in the brain, and large schizont-filled macrophages within blood v ... | 2002 | 12238380 |
| temporal occurrence and environmental risk factors associated with cytauxzoonosis in domestic cats. | cytauxzoon felis is a tick-transmitted protozoan parasite of domestic and wild felids in the south-central and southeastern united states. infection of domestic cats (felis domesticus) with c. felis is typically acute and characterized by fever, anorexia, listlessness, anemia, icterus and usually death within 19-21 days. to determine the temporal occurrence and environmental risk factors associated with infection of c. felis in domestic cats from oklahoma, information in the electronic medical r ... | 2008 | 18272289 |
| cytauxzoon felis infections are present in bobcats (lynx rufus) in a region where cytauxzoonosis is not recognized in domestic cats. | this study was performed to determine the prevalence of cytauxzoon felis (c. felis) infections in bobcats (lynx rufus) from a region where c. felis is recognized in domestic cats, north carolina (nc), and a region where c. felis is not recognized in domestic cats, pennsylvania (pa). samples from nc (n=32) were obtained post-mortem via cardiac puncture from legally trapped bobcats. samples from pa (n=70) were collected post-mortem onto nobuto blood collecting strips by the pa game commission. eac ... | 2008 | 18295403 |
| detection of persistent cytauxzoon felis infection by polymerase chain reaction in three asymptomatic domestic cats. | repeated polymerase chain reaction (pcr) testing of 3 asymptomatic domestic cats were positive for cytauxzoon felis dna, suggesting persistent infection. two cats initially presented with clinical signs consistent with acute cytauxzoonosis and, in both cases, signs of illness resolved after treatment. parasitemia was detected in peripheral blood smears from these cats upon presentation with illness and, at subsequent follow-up appointments, in the absence of clinical illness. polymerase chain re ... | 2008 | 18599854 |
| identification and genetic characterization of cytauxzoon felis in asymptomatic domestic cats and bobcats. | the objectives of the current study were to assess the prevalence of cytauxzoon felis infection among a population of domestic cats that were clinically healthy but at higher risk for parasite exposure and to determine if the strains present in these asymptomatically infected cats were genetically unique as compared to those present both in domestic cats that were fatally infected and in the natural reservoir host, the bobcat. using real-time pcr analysis targeting a portion of the parasite 18s ... | 2010 | 20605334 |
| distribution and prevalence of cytauxzoon felis in bobcats (lynx rufus), the natural reservoir, and other wild felids in thirteen states. | cytauxzoon felis, a protozoan parasite of wild and domestic felids, is the causative agent of cytauxzoonosis in domestic and some exotic felids in the united states. the bobcat (lynx rufus) is the natural reservoir for this parasite, but other felids such as florida panthers (puma concolor coryii) and domestic cats may maintain long-term parasitemias and serve as reservoirs. experimentally, two tick species, dermacentor variabilis and amblyomma americanum, have demonstrated the ability to transm ... | 2010 | 21071149 |
| increasing frequency of feline cytauxzoonosis cases diagnosed in western kentucky from 2001 to 2011. | feline cytauxzoonosis is a rapidly progressing and usually fatal disease in domestic cats caused by the tick-borne pathogen, cytauxzoon felis. the primary reservoir host for this protozoan parasite is the bobcat (lynx rufus). in this retrospective study, we have examined the positive cases of feline cytauxzoonosis identified at murray state university's breathitt veterinary center, a regional diagnostic facility located in hopkinsville, kentucky, between january 2001 and december 2011. center re ... | 2013 | 24035030 |
| concurrent examination of bobcats and ticks reveals high prevalence of cytauxzoon felis in southern illinois. | cytauxzoon felis is an intraerythrocytic apicomplexan of felids enzootic in the southeastern united states. in domestic cats (felis catus), this parasite can result in the highly fatal disease cytauxzoonosis or bobcat fever. bobcats (lynx rufus) are the wild animal reservoir host. to date, the characterization of prevalence of c. felis in bobcats is mostly based on broad-scale surveys from hunter-harvested specimens collected across large geographic areas, usually consisting of multiple states. ... | 2017 | 28355128 |
| cytauxzoon infections in wild felids from carpathian-danubian-pontic space: further evidence for a different cytauxzoon species in european felids. | parasitic protists of the genus cytauxzoon are detected in a wide range of wild and domestic felids. bobcats are a confirmed reservoir of cytauxzoon felis in north america while domestic cats are susceptible hosts suffering from severe or fatal illness. cytauxzoon infections are mainly reported from american felids and, recently, several sub-clinical and clinical findings were reported from european, asian, and african felids. in 2014, the collection of organs of 4 eurasian lynx and 12 wild cats ... | 2016 | 26741977 |
| potential ecological distribution of cytauxzoon felis in domestic cats in oklahoma, missouri, and arkansas. | the ecological distribution of cytauxzoon felis, an often-fatal tick-borne apicomplexan that infects domestic cats, has not been evaluated or identified despite its continued emergence. infection of c. felis is characterized by lethargy, icterus, fever, anorexia, anemia, and death. the natural vertebrate reservoir of c. felis is the bobcat (lynx rufus). to determine the possible distribution of c. felis in three states where infection is common (oklahoma, missouri, and arkansas), two separate ap ... | 2013 | 23131576 |
| evaluation of cytauxzoon felis infection status in captive-born wild felids housed in an area endemic for the pathogen. | to determine whether apparently healthy captive-born wild felids that were not native to north america and were housed in an area endemic for cytauxzoon felis harbored the pathogen. | 2012 | 23039987 |
| variation in the its-1 and its-2 rrna genomic regions of cytauxzoon felis from bobcats and pumas in the eastern united states and comparison with sequences from domestic cats. | cytauxzoon felis, a tick-borne protozoan parasite, is the causative agent of cytauxzoonosis in domestic cats in the united states. the natural reservoir for this parasite is the bobcat (lynx rufus), which typically does not develop clinical signs. although not likely important reservoirs, c. felis has also been detected in pumas (puma concolor) in florida and louisiana. recent studies suggest that specific genotypes of c. felis that circulate in domestic cats may be associated with variable clin ... | 2012 | 22776107 |
| two tales of cytauxzoon felis infections in domestic cats. | cytauxzoonosis is an emerging infectious disease that affects wild felids as well as the domestic cat; it is caused by the apicomplexan protozoan parasites belonging to the genus cytauxzoon. cytauxzoonfelis is the species of major concern, whose transmission occurs via the bite of an infected tick. cytauxzoonosis of the domestic cat has historically been considered uniformly fatal, with a short course of illness, and most domestic cats die within 9 to 15 days postinfection. however, increasing e ... | 2017 | 28637681 |