Table 5. Mean (±SD) of the number of anthelmintic treatments to which the lambs were submitted, from birth to slaughter, as a function of the evaluated factors (lamb breed, type of delivery, birth season).
| n | Number of anthelmintic treatments Mean ± SD | ||
|---|---|---|---|
| Lamb breed | ½ hd | 41 | 0.00 ± 0.00d |
| ½ ile | 22 | 0.49 ± 1.11c | |
| ½ suf | 38 | 1.54 ± 1.72a | |
| ½ tex | 23 | 0.38 ± 0.96cd | |
| suf | 17 | 1.37 ± 1.43a | |
| tex | 34 | 0.53 ± 1.13c | |
| ile | 27 | 0.69 ± 1.33b | |
| Type of delivery | Single | 112 | 0.67 ± 1.22b |
| Twin | 84 | 1.06 ± 1.56a | |
| Birth season | Summer | 62 | 1.12 ± 1.17a |
| Autumn | 44 | 0.79 ± 1.80b | |
| Winter | 20 | 0.18 ± 0.52c | |
| Spring | 70 | 1.33 ± 1.26a |
(n): Tthe number of lambs; (hd): Hampshire Down; (ile): Ile de France; (suf): Suffolk; (tex): Texel. (½): means half-blood of the described breeds. Different letters in the column indicate a significant difference between the groups for each factor (lamb breed, type of delivery, birth season), according to the Tukey or Bonferroni test (p < 0.05).