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Volume 18, Number 3—March 2012

Causes of Pneumonia Epizootics among Bighorn Sheep, Western United States, 2008–2010

Thomas E. BesserComments to Author , Margaret A. Highland, Katherine Baker, E. Frances Cassirer, Neil J. Anderson, Jennifer M. Ramsey, Kristin Mansfield, Darren L. Bruning, Peregrine Wolff, Joshua B. Smith, and Jonathan A. Jenks
Author affiliations: Washington State University, Pullman, Washington, USA (T.E. Besser, M.A. Highland, K. Baker); Washington Animal Disease Diagnostic Laboratory, Pullman (T.E. Besser); US Department of Agriculture Agricultural Research Service, Pullman (M.A. Highland); Idaho Department of Fish and Game, Lewiston, Idaho, USA (E.F. Cassirer); Montana Fish, Wildlife and Parks, Bozeman, Montana, USA (N.J. Anderson, J.M. Ramsey); Washington Department of Fish and Wildlife, Spokane Valley, Washington, USA (K. Mansfield); US Department of Agriculture Animal and Plant Health Inspection Service, Olympia, Washington, USA (D.L. Bruning); Nevada Department of Wildlife, Reno, Nevada, USA (P. Wolff); South Dakota State University, Brookings, South Dakota, USA (J.B. Smith, J.A. Jenks)

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Table 5

Bacteria detected in lung tissue from bighorn sheep with pneumonia, western United States, 2008–2010*

Bacterial species Clone sequences, no. (%) No. animals† No. populations‡
Fusobacterium spp. 112 (21.3) 8 5
Pasteurella multocida 67 (12.7) 5 4
Prevotella spp. 57 (10.8) 9 5
Mycoplasma ovipneumoniae 52 (9.9) 5 4
Bibersteinia trehalosi 46 (8.7) 4 3
Clostridium spp. 42 (8.0) 10 7
Bacteroides spp. 16 (3.0) 7 5
Acinetobacter spp. 14 (2.7) 3 3
Streptococcus spp. 13 (2.5) 1 1
Pseudomonas spp. 7 (1.3) 2 2
Eubacterium spp. 6 (1.1) 4 3
Pasteurellaceae spp. 6 (1.1) 2 2
Ruminococcus spp. 6 (1.1) 3 3

*rDNA sequence analysis was used. Only species identifications comprising >1% of sequences are reported.
†Number of animals in which the bacterial species was detected, total 16 animals (2 animals each from 8 populations).
‡Number of populations in which the bacterial species was detected, total 8 populations.

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Page created: February 16, 2012
Page updated: February 16, 2012
Page reviewed: February 16, 2012
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.