Table 2.
Faecal Egg Count Reduction Test performed on 9 studs.
| Farm | AH | Group size* | Group mean EPG d 0 | Group mean EPG d 14 | Max EPG d 0 |
Max EPG d 14 |
FECR1 d 14 |
FECR2 d 14 |
|---|---|---|---|---|---|---|---|---|
| 1 | iv | 6 | 525 | 58 | 1100 | 200 | 78% | 85% |
| 2 | iv | 7 | 336 | 0 | 1350 | 0 | 100% | 100% |
| 3 | iv | 7 | 1157 | 721 | 4000 | 2300 | 7% | 11% |
| 4 | iv | 7 | 900 | 907 | 2600 | 1500 | 2% | 0% |
| 5 | iv | 6 | 283 | 125 | 500 | 250 | 24% | 56% |
| 6 | iv | 9 | 1194 | 961 | 3500 | 2200 | 1% | 0% |
| 4 | fbz | 3 | 1417 | 0 | 3550 | 0 | 100% | 100% |
| 7 | fbz | 5 | 700 | 0 | 1000 | 0 | 100% | 100% |
| 8 | fbz | 5 | 1750 | 0 | 2900 | 0 | 100% | 100% |
| 7 | pyr | 9 | 1133 | 34 | 2400 | 200 | 94% | 93% |
| 9 | iv+pyr | 2 | 125 | 5 | 150 | 10 | 91% | 95% |
AH - anthelmintic; iv - ivermectin; fbz - fenbendazole; pyr - pyrantel; EPG - number of eggs per gram faeces; mean EPG - arithmetic mean; d 0 - day of anthelmintic treatment; d 14 - 14 days following anthelmintic treatment; FECR - Faecal Egg Count Reduction.
* Only foals with at least 100 EPG included
1 Arithmetic means of transformed individual FECRs (Pook et al. 2002)
2 Arithmetic means of individual FECRs