Hemagglutination-inhibition (HI) tests of serum samples from 51 bighorn sheep (Ovis canadensis) and 4 bighorn-domestic hybrid sheep from Wyoming and Montana revealed bovine myxovirus parainfluenza-3 antibody titers of 1:20 or greater in 6 animals. The serums of two bighorns with pneumonia were negative for neutralizing antibodies against IBR virus and the serums of 9 animals failed to show significant titers against 2 strains of human Asian influenza virus. Tissue cultures of nasal swabs and lung tissue were negative for cytopathogenic effects and hemadsorption.
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1 April 1966
Infection of Bighorn Sheep (Ovis canadensis) with Myxovirus parainfluenza-3 and Other Respiratory Viruses. Results of Serologic Tests and Culture of Nasal Swabs and Lung Tissue
D. L. HOWE,
G. T. WOODS,
G. MARQUIS