Biovariants of isolates of Pasteurella from domestic and wild ruminants

Journal of Veterinary Diagnostic Investigation : Official Publication of the American Association of Veterinary Laboratory Diagnosticians, Inc
M D JaworskiA C Ward

Abstract

A total of 608 bacterial isolates previously identified as Pasteurella haemolytica biotypes A and 3, P. trehalosi, and P. multocida, were separated into 73 distinct biovariants using 21 phenotypic characteristics. The largest group (54%) of wildlife isolates was identified as biogroup 2 and biogroup 2 variants. Biogroup 2 and biogroup 2 variants accounted for only 17% of isolates from domestic ruminants and were all from sheep. In contrast, 43% of isolates from domestic ruminants were identified as biogroup 1 and biogroup 1 variants, whereas only 6% of isolates from wildlife were identified in these groups. The majority of biogroup 1 isolates from wild ruminants were from 1 group of bighorn sheep in Arizona that were geographically separated from other wildlife sampled. Similarly, 1 biogroup 2 variant, 2E, was cultured only from free-ranging Dall sheep in Alaska. Twelve percent of domestic isolates and 6% of wildlife isolates were indole positive. The remaining isolates from wildlife (33%) and domestic animals (30%) were distributed among 53 distinct biovariants. None of these individual biovariants represented >4% of the total isolates. Phenotypic characterization was valuable for distinguishing between isolates from different...Continue Reading

References

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Citations

Jul 17, 2012·Applied and Environmental Microbiology·Jegarubee BavananthasivamSubramaniam Srikumaran
Dec 30, 2009·Applied and Environmental Microbiology·Rohana P DassanayakeSubramaniam Srikumaran
Jan 31, 2008·Journal of Zoo and Wildlife Medicine : Official Publication of the American Association of Zoo Veterinarians·Karen M RudolphAlton C S Ward
Apr 17, 2009·Journal of Zoo and Wildlife Medicine : Official Publication of the American Association of Zoo Veterinarians·Glen C WeiserAlton C S Ward
Jun 29, 2012·American Journal of Veterinary Research·David S MillerPhillip L Chapman
Mar 2, 2012·Emerging Infectious Diseases·Thomas E BesserJonathan A Jenks
Apr 26, 2006·Infection, Genetics and Evolution : Journal of Molecular Epidemiology and Evolutionary Genetics in Infectious Diseases·Scott T KelleyShirin Safaee
May 9, 2012·Veterinary Medicine International·David S MillerCleon Kimberling
Dec 21, 2012·Preventive Veterinary Medicine·Thomas E BesserWilliam Foreyt
Jan 12, 2010·Veterinary Immunology and Immunopathology·Paulraj K Lawrence, Rohana P Dassanayake
May 29, 2000·Journal of Veterinary Diagnostic Investigation : Official Publication of the American Association of Veterinary Laboratory Diagnosticians, Inc·W J DeLongA C Ward
Oct 24, 1998·Journal of Veterinary Diagnostic Investigation : Official Publication of the American Association of Veterinary Laboratory Diagnosticians, Inc·N W Dyer, A C Ward
Jul 21, 2010·The Veterinary Record·P J Watson, S F E Scholes

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