TABLE 5.
Tetracycline resistance phenotypes and genotypes of swine fecal streptococci
| Animal no. | No. of isolates | No. of resistant phenotypes | No. of strains analyzed | No. of resistant genotypes
|
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| tetB(P) | tet(M) | tet(Q) | tet(O) | tet(S) | tet(T) | tet(W) | ||||
| 1 | 25 | 20 (80)a | 19 | NAb | 4 (21.1) | 0 | 19 (100) | NA | NA | NA |
| 2 | 25 | 25 (100) | 18 | NA | NA | NA | 18 (100) | NA | NA | NA |
| 3 | 25 | 23 (92) | 22 | 0 | 5 (22.7) | NA | 22 (100) | NA | NA | 0 |
| 4 | 25 | 25 (100) | NA | NA | NA | NA | NA | NA | NA | NA |
| 5 | 25 | 24 (96) | 22 | NA | NA | NA | NA | NA | 0 | NA |
| 6 | 25 | 25 (100) | 22 | NA | NA | NA | NA | 0 | NA | NA |
| Total | 150 | 142 (94.7) | 103 | 0 | 9 (21.9) | 0 | 59 (100) | 0 | 0 | 0 |
a
The values in parentheses are percentages.
b
NA, not analyzed.