Table 3 Results of pooled faecal samples (1 pooled sample = 3 individual faecal samples) testing for B. hyodysenteriae and other Brachyspira spp. after implementation of the eradication programme (n = 10 farms). Farms with successful eradication are marked in bold
From: Implementation and evaluation of different eradication strategies for Brachyspira hyodysenteriae
| Farm number | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | |
| Type of farma | gilt rearing | farrow-to-finish | sow | fattening | farrow-to-finish | fattening | sow | sow | fattening | fattening |
| Depopulation | partial | total | none | total | none | partial | partial | partial | partial | partial |
| Medication | no | no | yes | no | yes (only sows) | no | yes | yes | no | no |
| B. hyodysenteriae | ||||||||||
| Month 6 | 0/3 |
0/3 (sows) 0/4 (FP)c |
0/3 (sows) 3/3 (FP) | 0/4 |
0/3 (sows) 1/4 (FP) | 3/4 | 0/3 | 0/3 | ||
| Month 9 |
0/3 0/4 | 0/4 | 1/1 (FP) | 0/10b |
2/4 (gilts) 0/3 (sows) | 0/3 | ||||
| Month 12 | 0/3 |
0/3 0/4 | 0/4 |
2/5 (gilts) 0/48 (sows)b | 0/2 | 1/1 | 1/1 | |||
| Other Brachyspira spp. | ||||||||||
| Month 6 | 2/3 (murdochii) | 2/3 |
0/3 0/3 | 0/4 |
0/9 0/12 | 0/4 | 0/3 | 0/3 | ||
| Month 9 |
0/3 1/4 (innocens) | 0/4 | 0/3 | 1/10b (murdochii) |
0/5 (gilts) 0/5 (sows) | 0/3 | ||||
| Month 12 | 2/3 (pilosicoli) |
0/3 0/4 | 0/4 | 0/3 | 0/2 | 0/1 | 0/1 | |||
| Clinical signs (diarrhoea) after eradication | no | no | yes | no | yes | yes | yes (mild, only in gilts) | no | yes | yes |