further studies on trypanosomers in game animals in wyoming.blood samples were collected from captive and free-ranging elk (cervus canadensis), mule deer (odocoileus hemionus), white-tailed deer, (odocoileus virginianus), black-tailed deer (odocoileus hemionus columbianus), pronghorn (antilocapra americana), moose (alces alces), and bighorn sheep (ovis canadensis) for cultural evidence of trypanosoma sp. infection. eleven of 188 (12%) hunter-killed elk, 22 of 37 (59%) free-ranging elk, and 79 of 119 (66%) captive elk were culture positive in 1973-74. par ...1976933315
aquatic indicator bacteria in the high alpine zone.selected waters from the high alpine zone within grand teton national park, wyoming, were analyzed for populations of indicator bacteria during the past three summers to determine the influence of various factors on the quality of these waters. in general the water quality was not significantly influenced by the presence or absence of human visitors but rather by the nature of the biological community through which the streams flowed. a minority of the coliforms that were recovered from all of t ...1976826218
observations on epizootiology and distribution of elaeophora schneideri in montana ruminants.seventy-four moose, 111 elk, 20 mule deer, 8 white-tailed deer, 26 prong-horn antelope, 42 domestic sheep and 3 bighorn sheep from montana or northwestern wyoming were examined post-mortem for evidence of elaeophora schneideri infection in 1973-74. fifteen percent of the mule deer and four percent of the moose were positive for adult arterial worms. this constitutes the first report of e. schneideri in mule deer in montana. no gross signs of blindness or other neurologic disorder were evident in ...1975127848
further studies on trypanosomes in game animals in wyoming ii.further studies on moose revealed trypanosomes in two captive moose (alces alces shirasi) and in 4 of 7 free-ranging moose in wyoming by blood culture. two free-ranging moose from utah were negative. one of two additional captive moose calves was positive for trypanosomes. trypanosomes also were detected in blood cultures of 8 of 39 american bison (bison bison) being brought into wyoming from nebraska. nineteen additional bison were negative for trypanosomes by blood cultures. identification of ...19817338978
association of moraxella ovis with keratoconjunctivitis in mule deer and moose in wyoming.six cases of infectious keratoconjunctivitis (ikc) in mule deer (odocoileus hemionus) and moose (alces alces) in wyoming (usa) were investigated during fall and winter of 1995 and 1996. excessive lacrimation, mucopurulent conjunctivitis, keratitis, and corneal opacity were observed in mule deer. moose had severe mucopurulent conjunctivitis, keratitis, and corneal ulceration. hemolytic, non-piliated moraxella ovis was isolated from two mule deer and two moose. we attempted to reproduce ikc in thr ...200010813605
endemic chronic wasting disease causes mule deer population decline in wyoming.chronic wasting disease (cwd) is a fatal transmissible spongiform encephalopathy affecting white-tailed deer (odocoileus virginianus), mule deer (odocoileus hemionus), rocky mountain elk (cervus elaphus nelsoni), and moose (alces alces shirasi) in north america. in southeastern wyoming average annual cwd prevalence in mule deer exceeds 20% and appears to contribute to regional population declines. we determined the effect of cwd on mule deer demography using age-specific, female-only, cwd transi ...201729049389
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