TABLE 1.

Prevalence of E. coli carrying bla_CTX-M at farm and sample levels

Sample type	Farm level	Sample level
Overall
Total sample size	53	4,145
Total (%) positive for CTX-M-carrying E. coli	42 (79.2%)	224 (5.4%)
Adult
Total sample size	52	1,835
Total (%) positive for CTX-M-carrying E. coli	25 (48.1%)	76 (4.1%)
Dry Cow
Total sample size	46	282
Total (%) positive for CTX-M-carrying E. coli	7 (15.2%)	8 (2.8%)
Calf
Total sample size	51	631
Total (%) positive for CTX-M-carrying E. coli	33 (64.7%)	98 (15.5%)
Heifer
Total sample size	41	1,235
Total (%) positive for CTX-M-carrying E. coli	18 (44%)	40 (3.2%)
Pastureland
Total sample size	47	630
Total (%) positive for CTX-M-carrying E. coli	8 (17%)	12 (1.9%)
Publicly accessible pastureland (footpaths)
Total sample size	41	395
Total (%) positive for CTX-M-carrying E. coli	8 (20.0%)	11 (2.8%)