Table 1.
Herd characteristics and detection of Mycobacterium avium ssp. paratuberculosis (MAP) in individual faecal samples and environmental faecal samples in 20 beef cow-calf operations
| Herd | Region* | Calving season | Breed | Total herd size | Individual faecal samples | Environmental faecal samples | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Samples (n) | MAP positive (n) | MAP positive (%) | Samples (n) | MAP positive (n) | MAP positive (%) | |||||
| 1 | TH | Spring | Simmental | 30 | 22 | 0 | 0·0 | 3 | 0 | 0·0 |
| 2 | TH | Winter | Simmental | 152 | 84 | 0 | 0·0 | 4 | 0 | 0·0 |
| 3 | TH | Autumn/winter | Simmental | 53 | 28 | 0 | 0·0 | 3 | 0 | 0·0 |
| 4 | TH | Spring | Simmental | 320 | 201 | 0 | 0·0 | 7 | 0 | 0·0 |
| 5 | TH | Spring/summer | Simmental | 71 | 61 | 0 | 0·0 | 3 | 0 | 0·0 |
| 6 | RP | Year-round | Simmental, Limousin, cross-breed | 153 | 83 | 0 | 0·0 | 10 | 0 | 0·0 |
| 7 | SN | Winter | Simmental, Limousin | 175 | 118 | 1 | 0·9 | 14 | 0 | 0·0 |
| 8 | SN | Year-round | cross-breed | 487 | 368 | 9 | 2·5 | 5 | 1 | 20·0 |
| 9 | TH | Autumn/winter | Charolais | 286 | 121 | 3 | 2·5 | 6 | 2 | 33·3 |
| 10 | SN | Spring | Simmental, Limousin, cross-breed | 515 | 203 | 7 | 3·5 | 11 | 0 | 0·0 |
| 11 | RP | Year-round | Limousin | 216 | 82 | 3 | 3·5 | 3 | 1 | 33·3 |
| 12 | TH | Spring/summer | Limousin | 470 | 270 | 10 | 3·7 | 4 | 0 | 0·0 |
| 13 | RP | Summer/autumn | Limousin | 167 | 54 | 2 | 3·7 | 1 | 0 | 0·0 |
| 14 | TH | Winter | Simmental | 260 | 183 | 7 | 3·8 | 7 | 0 | 0·0 |
| 15 | SN | Spring/summer | Simmental, cross-breed | 318 | 195 | 9 | 4·6 | 6 | 1 | 16·7 |
| 16 | TH | Spring/summer | Limousin | 396 | 174 | 10 | 5·7 | 9 | 5 | 55·6 |
| 17 | RP | Year-round | cross-breed | 95 | 54 | 4 | 7·4 | 3 | 3 | 100·0 |
| 18 | RP | Year-round | Limousin cross-breed | 253 | 143 | 11 | 7·7 | 9 | 3 | 33·3 |
| 19 | RP | Spring/autumn | Others | 87 | 50 | 4 | 8·0 | 2 | 1 | 50·0 |
| 20 | TH | Spring/summer | Simmental | 95 | 51 | 22 | 43,1 | 7 | 4 | 51·1 |
* TH, Thuringia; RP, Rhineland-Palatinate; SN, Saxony.