Causes of Pneumonia Epizootics among Bighorn Sheep, Western United States, 2008–2010
Thomas E. Besser , 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)
Figure. Neighbor-joining tree of ribosomal intergenic spacer region DNA sequences of Mycoplasma ovipneumoniae PCR-amplified from bighorn sheep lung tissues, western United States, 2008–2010. Isolate codes are those from Table 4 and Table A1. Scale bar indicates nucleotide substitutions per site.
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