Reference | Mirzaagha2011 (10063)

Distribution and characterization of ampicillin- and tetracycline-resistant Escherichia coli from feedlot cattle fed subtherapeutic antimicrobials.


Mirzaagha, Parasto; Louie, Marie; Sharma, Ranjana; Yanke, L. Jay; Topp, Ed; McAllister, Tim A. (Canada)

BMC Microbiology (2011)

Reference


AST Method: Agar Dilution

Reference explicitly reports AST breakpoints: False

Reference reports using a MIC table: None

Is Excluded: False

Country Sub-Region Sub-Region Detail
Canada None Alberta
ID Note Resolution

Factors


Title Host Host Production Stage Description ROs
Chlortetracycline and Sulfamethazine Use Cattle Other Farm Chlortetracycline and sulfamethazine, administered in feed (days 17 - 78, 164 - 206), as Aureo S-700G at 44 ppm. Isolates cultured on agar amended with 4 μg/ml TET-HCL. 4
Chlortetracycline and Sulfamethazine Use Cattle Other Farm Chlortetracycline and sulfamethazine, administered in feed (days 17 - 78, 164 - 206), as Aureo S-700G at 44 ppm. Isolates cultured on agar amended with 50 μg/ml AMP. 4
Chlortetracyline Use Cattle Other Farm Chlortetracyline, administered in feed (days 17 - 78, 164 - 206), as Aureomycin 100-g at 11 ppm. Isolates cultured on agar amended with 4 μg/ml TET-HCL. 4
Chlortetracyline Use Cattle Other Farm Chlortetracyline, administered in feed (days 17 - 78, 164 - 206), as Aureomycin 100-g at 11 ppm. Isolates cultured on agar amended with 50 μg/ml AMP. 4
Virginiamycin Use Cattle Other Farm Virginiamycin, administered in feed (days 17 - 78, 164 - 206), as V-Maxed at 31 ppm. Isolates cultured on agar amended with 4 μg/ml TET-HCL. 4
Virginiamycin Use Cattle Other Farm Virginiamycin, administered in feed (days 17 - 78, 164 - 206), as V-Maxed at 31 ppm. Isolates cultured on agar amended with 50 μg/ml AMP. 4