Open Access
Table 5
Occurrence of Clostridium perfringens toxinotypes in fecal samples of diarrheic calves from five farms in Lingwu county.
| Factor | No. samples | No. positive samples (%) | Toxin gene (no. samples) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| cpa | cpb | etx | itx | cpe | netB | ||||
| Farm | |||||||||
| Farm 1 | 60 | 34 (56.7) | 34 | 0 | 0 | 0 | 0 | 0 | |
| Farm 2 | 64 | 31 (48.4) | 31 | 0 | 0 | 0 | 0 | 0 | |
| Farm 3 | 59 | 46 (78.0) | 46 | 0 | 0 | 0 | 0 | 0 | |
| Farm 4 | 141 | 86 (61.0) | 86 | 0 | 0 | 0 | 0 | 0 | |
| Farm 5 | 19 | 14 (73.7) | 14 | 0 | 0 | 0 | 0 | 0 | |
| Age (days) | |||||||||
| 1–7 | 43 | 29 (67.4) | 29 | 0 | 0 | 0 | 0 | 0 | |
| 8–21 | 122 | 76 (62.3) | 76 | 0 | 0 | 0 | 0 | 0 | |
| 22–63 | 69 | 41 (59.4) | 41 | 0 | 0 | 0 | 0 | 0 | |
| 64–180 | 109 | 65 (59.6) | 65 | 0 | 0 | 0 | 0 | 0 | |
| Season | |||||||||
| Spring | 223 | 115 (51.6) | 115 | 0 | 0 | 0 | 0 | 0 | |
| Summer | 120 | 96 (80.0) | 96 | 0 | 0 | 0 | 0 | 0 | |
| Total | 343 | 211 (61.5) | 211 | 0 | 0 | 0 | 0 | 0 | |
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