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Title: ANTIMICROBIAL RESISTANCE PATTERNS OF SALMONELLA ISOLATES FROM CATTLE IN FEEDLOTS AND ON COW-CALF OPERATIONS

Authors
item Dargatz, D - USDA-APHIS
item Cray, Paula
item Ladely, Scott

Submitted to: Research Workers in Animal Diseases Conference Proceedings
Publication Type: Abstract Only
Publication Acceptance Date: September 29, 1999
Publication Date: November 7, 1999
Citation: Dargatz, D.A., Cray, P.J., Ladely, S.R. 1999. Antimicrobial resistance patterns of salmonella isolates from cattle in feedlots and on cow-calf operations. Research Workers in Animal Diseases Conference Proceedings. Abstract. 74.

Technical Abstract: Salmonella isolates collected as part of the National Animal Health Monitoring System’s (NAHMS) feedlot study (1994) and cow-calf study (1997) were evaluated for susceptibility to a panel of antimicrobics using either breakpoints (feedlot) or minimum inhibitory concentrations (cow-calf). Overall in both populations the most common resistance was to tetracycline, streptomycin, and sulfamethoxazole. The percentage of resistant isolates varied by serotype. With the exception of S. Typhimurium multiple resistance among these isolates was rare.

   
 
 
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