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epizootiology of bluetongue: the situation in the united states of america.bluetongue was first reported in the united states in 1948 in sheep in texas. the virus has now been isolated from sheep in 19 states. when the disease first occurs in a flock, the morbidity may reach 50 to 75% and mortality 20 to 50%. in subsequent years, the morbidity may be only 1 to 2% with very few deaths. difference in breed susceptibility has not been observed. natural bluetongue infection has not been observed in angora or dairy goats. bluetongue virus was first isolated from cattle, in ...1975169793
serological studies on sympatric barbary sheep and mule deer from palo duro canyon, texas.sera were collected from 12 barbary sheet (ammotragus lervia) and 11 mule deer (odocoileus hemionus) occupying sympatric ranges in palo duro canyon, texas. these were tested for leptospirosis, brucellosis, bovine virus diarrhea, anaplasmosis, vesicular stomatitis, bluetongue (bt), epizootic hemorrhagic disease (ehd), infectious bovine rhinotracheitis (ibr), and coccidioidomycosis. serologic reactors were found to ibr in 3 barbery sheep, bt in 6 barbary sheep and 6 mule deer and ehd in 3 barbary ...1979228088
an epizootiologic study of anthrax in falls county, texas.in june and july, 1974, an anthrax epizootic in falls county, texas, resulted in the death of 236 animals (228 cattle, 5 horses, 2 mules, and 1 pig) on 48 premises. death rates were highest for horses (18.2%) and bulls (16.8%). the epizootic was apparently precipitated by drought, and infection appeared to be the result of ingesting intrinsically contaminated soil and grass. human illness was not associated with the epizootic.1977401803
ectoparasites of sympatric barbary sheep and mule deer in the texas panhandle, usa. 1979541816
allozyme and mitochondrial dna analysis of a hybrid zone between white-tailed deer and mule deer (odocoileus) in west texas.thirty allozyme loci and 35 mitochondrial dna (mtdna) restriction sites were examined in 24 white-tailed deer and 46 mule deer from a hybrid zone in west texas. a common mtdna genotype is shared by all of the mule deer with 67% of the white-tailed deer. at the albumin locus, 13% of the white-tailed deer and 24% of the mule deer are heterozygous, sharing alleles that are otherwise species-specific in allopatric populations; 7% of the mule deer are homozygous for the allele that is characteristic ...19921325774
mitochondrial dna analysis of hybridization between sympatric white-tailed deer and mule deer in west texas.sympatric populations of white-tailed deer and mule deer (odocoileus virginianus and odocoileus hemionus, respectively) on a west texas ranch share a common mitochondrial dna restriction map genotype. phylogenetic analysis indicates that this genotype is more characteristic of o. virginianus than of o. hemionus. the genotype of west texas deer differs from that of o. virginianus from south carolina by five mutational events (1.3% sequence divergence), whereas it differs from that of o. hemionus ...19863467326
visceral helminth communities of sympatric mule and white-tailed deer from the davis mountains of texas.hybridizing populations of mule (odocoileus hemionus) and white-tailed deer (o. virginianus) from the davis mountains of texas were examined to determine similarities in species composition of their helminth communities and if abundances of helminth species in those communities varied across host species and seasonal factors. only three cestode and three nematode species were recovered. there were very low abundances of species and little diversity in the helminth communities of both hosts. comm ...19873820412
elaeophorosis in barbary sheep and mule deer from the texas panhandle.adult elaeophora schneideri were recovered from the common carotid artery and its branches in 14 of 14 mule deer, odocoileus hemionus, and 3 of 9 barbary sheep or aoudads, ammotragus lervia, from palo duro canyon in the texas panhandle. gross cutaneous lesions attributable to elaeophorosis in the barbary sheep varied from small circumscribed scars up to 10 cm in diameter usually on the poll or orbital region to extensive proliferative irregular encrustations on the frontal, temporal and orbital ...19816454793
rabies surveillance in the united states during 1998.during 1998, 49 states, the district of columbia, and puerto rico reported 7,961 cases of rabies in nonhuman animals and 1 case in a human being to the centers for disease control and prevention, a decrease of 6.5% from 8,509 cases in nonhuman animals and 4 cases in human beings reported in 1997. more than 92% (7,358 cases) were in wild animals, whereas > 7.5% (603 cases) were in domestic species (compared with 93% in wild animals and 7% in domestic species in 1997). decreases were evident in al ...199910613210
rabies surveillance in the united states during 1999.during 1999, 49 states, the district of columbia, and puerto rico reported 7,067 cases of rabies in nonhuman animals to the centers for disease control and prevention, a decrease of 11.2% from 7,961 cases in nonhuman animals and 1 case in a human being reported in 1998. more than 91% (6,466 cases) were in wild animals, whereas 8.5% (601 cases) were in domestic species (compared with 92.4% in wild animals and 7.6% in domestic species in 1998). no cases of rabies were reported in human beings in 1 ...200011132881
rabies surveillance in the united states during 2000.during 2000, 49 states, the district of columbia, and puerto rico reported 7,364 cases of rabies in nonhuman animals and 5 cases in human beings to the centers for disease control and prevention, an increase of 4.3% from 7,067 cases in nonhuman animals reported in 1999. ninety-three percent (6,855 cases) were in wild animals, whereas 6.9% (509 cases) were in domestic species (compared wth 91.5% in wild animals and 8.5% in domestic species in 1999). compared with cases reported in 1999, the numbe ...200111767918
rabies surveillance in the united states during 2001.during 2001, 49 states and puerto rico reported 7,437 cases of rabies in nonhuman animals and 1 case in a human being to the centers for disease control and prevention, an increase of < 1% from 7,364 cases in nonhuman animals and 5 human cases reported in 2000. more than 93% (6,939 cases) were in wild animals, whereas 6.7% (497 cases) were in domestic species (compared with 93.0% in wild animals and 6.9% in domestic species in 2000). the number of cases reported in 2001 increased among bats, cat ...200212494966
rabies surveillance in the united states during 2002.during 2002, 49 states and puerto rico reported 7,967 cases of rabies in nonhuman animals and 3 cases in human beings to the centers for disease control and prevention, an increase of 7.2% from the 7,436 cases in non-human animals and 1 case in a human being reported in 2001. more than 92% (7,375 cases) were in wild animals, whereas 7.4% (592) were in domestic species (compared with 93.3% in wild animals and 6.7% in domestic species in 2001). compared with cases reported in 2001, the numbers of ...200314690203
rabies surveillance in the united states during 2004.during 2004, 49 states and puerto rico reported 6,836 cases of rabies in nonhuman animals and 8 cases in human beings to the cdc, representing a 4.6% decrease from the 7,170 cases in nonhuman animals and 3 cases in human beings reported in 2003. approximately 92% of the cases were in wildlife, and 8% were in domestic animals (compared with 91% and 9%, respectively, in 2003). relative contributions by the major animal groups were as follows: 2,564 raccoons (37.5%), 1,856 skunks (27.1%), 1,361 bat ...200516379626
rabies surveillance in the united states during 2005.during 2005, 49 states and puerto rico reported 6,417 cases of rabies in nonhuman animals and 1 case in a human being to the cdc, representing a 6.2% decrease from the 6,836 cases in nonhuman animals and 8 cases in human beings reported in 2004. approximately 92% of the cases were in wildlife, and 8% were in domestic animals. relative contributions by the major animal groups were as follows: 2,534 raccoons (39.5%), 1,478 skunks (23%), 1,408 bats (21.9%), 376 foxes (5.9%), 269 cats (4.2%), 93 cat ...200617173527
rabies surveillance in the united states during 2006.during 2006, 49 states and puerto rico reported 6,940 cases of rabies in animals and 3 cases in humans to the cdc, representing an 8.2% increase from the 6,417 cases in animals and 1 case in a human reported in 2005. approximately 92% of the cases were in wildlife, and 8% were in domestic animals. relative contributions by the major animal groups were as follows: 2,615 raccoons (37.7%), 1,692 bats (24.4%), 1,494 skunks (21.5%), 427 foxes (6.2%), 318 cats (4.6%), 82 cattle (1.2%), and 79 dogs (1. ...200717696853
rabies surveillance in the united states during 2007.summary: during 2007, 49 states and puerto rico reported 7,258 cases of rabies in animals and 1 case in a human to the cdc, representing a 4.6% increase from the 6,940 cases in animals and 3 cases in humans reported in 2006. approximately 93% of the cases were in wildlife, and 7% were in domestic animals. relative contributions by the major animal groups were as follows: 2,659 raccoons (36.6%), 1,973 bats (27.2%), 1,478 skunks (20.4%), 489 foxes (6.7%), 274 cats (3.8%), 93 dogs (1.3%), and 57 ca ...200818795848
bovicola tibialis (phthiraptera:trichodectidae): occurrence of an exotic chewing louse on cervids in north america.through a recent (2003-2007) survey of ectoparasites on hoofed mammals in western north america, a literature review, and examination of archived museum specimens, we found that the exotic deer-chewing louse, bovicola tibialis (piaget), is a long-term, widespread resident in the region. the earliest known collection was from salt spring island, canada, in 1941. we found these lice on the typical host, that is, introduced european fallow deer (dama dama l.), and on asian chital (axis axis [erxleb ...201121337942
molecular characterization of trypanosoma (megatrypanum) spp. infecting cattle (bos taurus), white-tailed deer (odocoileus virginianus), and elk (cervus elaphus canadensis) in the united states.in the united states, the generally non-pathogenic trypanosome of cattle is designated trypanosoma (megatrypanum) theileri and is distinguished morphologically from trypanosoma (m.) cervi, a trypanosome originally described in mule deer and elk. phylogenetic studies of the megatrypanum trypanosomes using various molecular markers reveal two lineages, designated tthi and tthii, with several genotypes within each. however, to date there is very limited genetic data for t. theileri, and none for th ...201323683651
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