Table 2 E. coli resistance gene detection rate in dairy cattle and beef cattle
Classification | Gene name | Dairy cattle carry number | Positive detection rate | Beef cattle carry number | Positive detection rate |
|---|---|---|---|---|---|
β-lactams | blaTEM | 27 | 100% (27/27) | 43 | 97.7% (43/44) |
blaSHV | 5 | 18.5% (5/27) | 4 | 9.1% (4/44) | |
blaOXA | 4 | 14.8% (4/27) | 3 | 6.8% (3/44) | |
Aminoglycosides | aadA1 | 19 | 70.4% (19/27) | 44 | 100% (44/44) |
aac (3′)-IIa | 26 | 96.3% (26/27) | 25 | 56.8% (25/44) | |
aadB | 0 | 0% (0/27) | 4 | 9.1% (4/44) | |
Chloramphenicols | floR | 26 | 96.3% (26/27) | 26 | 59.1% (26/44) |
Tetracyclines | tet (A) | 26 | 96.3% (26/27) | 43 | 97.7% (43/44) |
tet (B) | 19 | 70.4% (19/27) | 42 | 95.5% (42/44) | |
tet (C) | 2 | 7.4% (2/27) | 0 | 0% (0/44) | |
Sulfonamides | sul1 | 11 | 40.7% (11/27) | 21 | 47.7%(21/44) |
sul2 | 26 | 96.3% (26/27) | 34 | 77.3%(34/44) |