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1 April 1990 ISOLATION OF PASTEURELLA HAEMOLYTICA FROM TONSILLAR BIOPSIES OF ROCKY MOUNTAIN BIGHORN SHEEP
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Abstract

Isolations of Pasteurella haemolytica were compared from tonsillar biopsies versus nasal passages for 29 free-ranging Rocky Mountain bighorn sheep (Ovis canadensis canadensis) from central Idaho. Overall, P. haemolytica was isolated from 11 (38%) of 29 sheep. Two (18%) of the 11 positive samples were from only nasal passages compared to eight (73%) from tonsillar biopsies. Pasteurella haemolytica biotype T was isolated from tonsils of nine sheep and from nasal biopsies. Pasteurella haemlytica biotype T was isolated from tonsils of nine sheep and from nasal passages of only one sheep. Two sheep were positive for P. haemolytica biotype A from nasal passages. Culturing tonsillar biopsies as compared to nasal swab samples was a more reliable technique in detecting P. haemolytica, especially biotype T, in bighorn sheep.

Dunbar, Ward, and Power: ISOLATION OF PASTEURELLA HAEMOLYTICA FROM TONSILLAR BIOPSIES OF ROCKY MOUNTAIN BIGHORN SHEEP
M. R. Dunbar, A. C. S. Ward, and G. Power "ISOLATION OF PASTEURELLA HAEMOLYTICA FROM TONSILLAR BIOPSIES OF ROCKY MOUNTAIN BIGHORN SHEEP," Journal of Wildlife Diseases 26(2), 210-213, (1 April 1990). https://doi.org/10.7589/0090-3558-26.2.210
Received: 21 August 1989; Published: 1 April 1990
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