From: Methodological comparisons for antimicrobial resistance surveillance in feedlot cattle
Resistance outcome | Susceptibility testing method | NTSEC (n=3362) | M. haemolytica(n=1574) | ||||
---|---|---|---|---|---|---|---|
OR1 | 95% CI2 | P-value | OR1 | 95% CI2 | P-value | ||
Ampicillin | DD3 | 6.3 | 2.9 – 14.3 | <0.0001 | 20.0 | 5.0 – 100 | <0.0001 |
BM4 | ref | ref | |||||
Amoxicillin-Clavulanate | DD | −5 | – | – | 10.0 | 3.0 – 33.3 | 0.0001 |
BM | ref | ||||||
Ceftiofur | DD | 5.6 | 1.2 – 25.0 | 0.03 | −5 | – | – |
BM | ref | ||||||
Streptomycin | DD | 2.0 | 1.6 – 2.7 | <0.0001 | −5 | – | – |
BM | ref | ||||||
Sulfisoxazole | DD | 1.3 | 0.9 – 1.9 | 0.11 | −5 | – | – |
BM | ref | ||||||
Tetracycline | DD | 0.6 | 0.5 – 0.8 | 0.0003 | 25.0 | 7.7 – 100 | <0.0001 |
BM | ref | ref | |||||
TMS6 | DD | 4.8 | 2.0 – 11.1 | 0.0004 | −5 | – | – |
BM | ref |