Molecular Epidemiology of Pasteurella Multocida Respiratory Disease in Beef Cattle

Molecular Epidemiology of Pasteurella Multocida Respiratory Disease in Beef Cattle

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Two studies were performed to investigate the epidemiology of P. multocida isolated from the respiratory tracts of cattle. The first study used 41 P. multocida isolates obtained from fatal cases of bovine respiratory disease (BRD). These isolates were subjected to random amplified polymorphic DNA polymerase chain reaction (RAPD PCR) fingerprinting using three different primers, as well as characterized through examination of whole cell proteins (WCP), outer membrane proteins (OMP) and serotyping. Simpson's index of diversity was used to assess the ability of the various typing methods to discriminate between strains. All typing methods were able to discern differences amongst the isolates, but cross-tabulation of typing results was needed to attain adequate discriminatory ability. Adjusted Rand and Wallace correlation coefficients found poor concordance between the groupings produced by the various typing techniques.Bovine respiratory disease in feedlot cattle: environmental, genetic, and economic factors. J. Anim Sci. 84:1999-2008. Step, D. L. ... Sickness, mortality and the buller steer syndrome in a western Canadian feedlot. Bovine Practitioner 33:80-84.


Title:Molecular Epidemiology of Pasteurella Multocida Respiratory Disease in Beef Cattle
Author: Jared D. Taylor
Publisher:ProQuest - 2008
ISBN-13:

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