Table 3 Summary data from Romney and Perendale selection lines[6, 7]
From: Signatures of selection in sheep bred for resistance or susceptibility to gastrointestinal nematodes
Trait | Romney | Perendale | ||
|---|---|---|---|---|
| Â | High | Low | High | Low |
Average yearly flock size (rams/ewes) | 6/100 | 4.6/50 | ||
Divergence of log-transformed FEC between lines | 2.73 | 0.85 | ||
Divergence in average BVs between lines | 2.83 | 1.77 | ||
Fold-difference in FEC mean between lines | 11.3 | 4.9 | ||
Heritability | 0.28 ± 0.02 | 0.18 ± 0.03 | ||
Back-transformed FEC means (eggs/g) | 3823 | 339 | 556 | 114 |