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Investigating contagious transmission of Mannheimia haemolytica in feedlot calves by leveraging whole genome sequences of a unique isolate collection.

Veterinary microbiology - 1 Apr 2026

Snyder Emily R, Younes Jennifer Abi, Bird Elaine M, Lacoste Stacey R, Waldner Cheryl L

Abstract excerpt

The role of specific strains of Mannheimia haemolytica (Mh) acting as contagious pathogens in the bovine respiratory disease complex remains debated. This study evaluated the contagious spread of Mh within and between adjacent feedlot pens using whole-genome-sequencing (WGS) to assess microbial genetic relationships. Deep-nasopharyngeal swabs were collected from auction-market calves entering a Saskatchewan...

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PMID: 41780376
DOI: 10.1016/j.vetmic.2026.110955

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 2 Sept 2026.

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