Publications

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survey of free-ranging elk from wyoming and montana for selected pathogens.from december 1991 through january 1995, a disease survey was conducted on herds of free-ranging, hunter-killed elk (cervus elaphus nelsoni) from three areas in proximity to yellowstone national park (ynp), wyoming (usa), after tuberculosis caused by mycobacterium bovis was discovered in a captive herd of elk in the area. complete or partial sets of specimens from 289 elk collected between december 1991 and january 1993 were examined histologically; no mycobacterial lesions were observed. lesion ...19979131561
septicemic pasteurellosis in elk (cervus elaphus) on the united states national elk refuge, wyoming.septicemic pasteurellosis caused by pasteurella multocida is believed responsible for the deaths of 48 elk (cervus elaphus) on the national elk refuge near jackson, wyoming (usa) during 1986 and 1987. clinical signs included depression and salivation; necropsy findings included congestion and petechial and ecchymotic hemorrhages in lymph nodes, diaphragm, lungs and endocardium. pasteurella multocida was isolated from femur marrow of eight carcasses and a variety of tissues from eight others.19883143020
cause and pathogenesis of middle ear infection in young feedlot cattle.two populations of feedlot cattle--weaned calves and yearlings--suffered otitis media. in calves the disease was acute and epizootic and had a prevalence of about 400 cases per 2000 cattle, whereas in yearlings, it was chronic and sporadic and had a prevalence of 1 case per 2000 cattle. clinical signs were facial paralysis, otorrhea, and head tilt. the middle ears from 64 dead calves and 22 dead yearlings were examined. calf ears had acute infection, with exudate in air cells and rupture of tymp ...19836853319
pasteurellaceae isolated from bighorn sheep (ovis canadensis) from idaho, oregon, and wyoming.to elucidate the species and biovariants of pasteurellaceae isolated from clinically normal bighorn sheep (ovis canadensis) or bighorn sheep with evidence of respiratory disease.201222738054
how respiratory pathogens contribute to lamb mortality in a poorly performing bighorn sheep ( ovis canadensis ) herd.we evaluated bighorn sheep ( ovis canadensis ) ewes and their lambs in captivity to examine the sources and roles of respiratory pathogens causing lamb mortality in a poorly performing herd. after seven consecutive years of observed december recruitments of <10%, 13 adult female bighorn sheep from the remnant gribbles park herd in colorado, us were captured and transported to the thorne-williams wildlife research center in wyoming in march 2013. ewes were sampled repeatedly over 16 mo. in april ...201727690193
characterization of an avian cholera epizootic in wild birds in western nebraska.avian cholera killed an estimated 2500 birds in western nebraska and eastern wyoming from 28 november 1985 to late january 1986. wild mallards (anas platyrhynchos) suffered the most losses. other wild waterfowl, wild turkeys (meleagris gallopavo), a few domestic fowl, and a bald eagle (haliaeetus leucocephalus) also died. pasteurella multocida serotype 1 was the predominant isolate from these carcasses. cold, wet weather persisted throughout the outbreak, but daily losses in the flock of 50,000 ...19883382368
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