Metaphylactic antimicrobial effects on occurrences of antimicrobial resistance in Salmonella enterica, Escherichia coli and Enterococcus spp. measured longitudinally from feedlot arrival to harvest in high-risk beef cattle.
Nathan S LongJames E WellsElaine D BerryJerrad F LegakoDale R WoernerGuy H LoneraganPaul R BroadwayJeff A CarrollNicole C Burdick SanchezSamodha C FernandoCarley M BaconCory L HelmuthTaylor M SmockJeff L ManahanAshley A HoffmanKristin E HalesPublished in: Journal of applied microbiology (2022)
Antimicrobial resistance (AMR) in feedlot cattle is not caused solely by using a metaphylactic antimicrobial on arrival, but more likely a multitude of environmental and management factors.