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. 2020 Apr:171:105877.
doi: 10.1016/j.mimet.2020.105877. Epub 2020 Feb 20.

Differentiation of Mannheimia haemolytica genotype 1 and 2 strains by visible phenotypic characteristics on solid media

Emily L Wynn  1 , Gennie Schuller  1 , John D Loy  2 , Aspen M Workman  1 , Tara G McDaneld  1 , Michael L Clawson  3
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Free article

Differentiation of Mannheimia haemolytica genotype 1 and 2 strains by visible phenotypic characteristics on solid media

Emily L Wynn et al. J Microbiol Methods. 2020 Apr.
Free article

Abstract

Genotype 2 Mannheimia haemolytica associate with the lungs of cattle with bovine respiratory disease more frequently than genotype 1 strains. Different colony colors and morphologies were identified between genotype 1 and 2 solid media cultures. Genotype of strains, and frequency differences between them in mixed cultures are discernable by visual inspection.

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Conflict of interest statement

Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

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