Результаты поиска - John R. Campbell

Variation in Pen-Level Prevalence of BRD Bacterial Pathogens and Antimicrobial Resistance Following Feedlot Arrival in Beef Calves по Jennifer N. Abi Younes, John R. Campbell, Simon J. G. Otto, Sheryl P. Gow, Amelia R. Woolums, Murray Jelinski, Stacey Lacoste, Cheryl L. Waldner

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