Table 1 Distribution of Escherichia coli isolate phylogenetic groups from diseased animals in Japan between 2001 and 2006
Phylogenetic group | No. of isolates tested | No. of isolates resistant to cefazolin (%) | ||||||
|---|---|---|---|---|---|---|---|---|
Cattle | Poultry | Swine | Total | Cattle | Poultry | Swine | Total | |
A | 36 | 44 | 101 | 181 | 3 (8.3) | 21 (47.7) | 2 (2.0) | 26 (14.4) |
B1 | 18 | 4 | 9 | 31 | 2 (11.1) | 1 (25.0) | 0 (0) | 3 (9.7) |
B2 | 0 | 1 | 0 | 1 | 0 (NA) | 0 (0) | 0 (NA*) | 0 (0) |
D | 18 | 40 | 47 | 105 | 1 (5.6) | 7 (17.5) | 1 (2.1) | 9 (8.6) |
Total | 72 | 89 | 157 | 318 | 6 (8.3) | 29 (32.6) | 3 (1.9) | 38 (11.9) |