From: Ivermectin treatment failure on four Irish dairy farms
| Farm | |||||
|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | ||
| Day | Nematode genus and no. of L3 larvae per faecal culture | ||||
| 0 | Cooperia | 29 | 26 | 37 | 36 |
| Ostertagia | 71 | 73 | 63 | 62 | |
| Trichostrongylus | 0 | 1 | 0 | 2 | |
| Bunostomum | 0 | 0 | 0 | 0 | |
| 14 | Cooperia | 31 | 30 | 47 | 25 |
| Ostertagia | 0 | 8 | 0 | 0 | |
| Trichostrongylus | 0 | 0 | 0 | 0 | |
| Bunostomum | 0 | 1 | 0 | 0 | |