Table 1 Developmental stages of Haemonchus contortus means (minimum–maximum values) of the Santa Ines and Ile de France lambs under suppressive or targeted selective treatment (TST) programme with anthelmintics
Development stages | Santa Ines | Ile de France | Effects (P value) | |||
|---|---|---|---|---|---|---|
Suppressive (n = 9) | TST (n = 10) | Suppressive (n = 10) | TST (n = 9) | Breed | Treatment programme | |
Early L4 | 31 (0–80) | 114 (0–650) | 141 (30–600) | 597 (10–142) | < 0.0001 | ns |
Female late L4 | 38 (0–120) | 60 (0–360) | 103 (0–360) | 414 (0–1450) | 0.0036 | ns |
Male late L4 | 20 (0–70) | 63 (0–360) | 100 (10–420) | 456 (0–2010) | 0.0002 | ns |
Female early L5 | 92 (0–590) | 5 (0–30) | 389 (100–830) | 179 (0–460) | < 0.0001 | 0.0094 |
Male early L5 | 49 (0–270) | 16 (0–140) | 334 (80–710) | 160 (0–530) | < 0.0001 | 0.0066 |
Adult female | 121 (0–400) | 17 (0–110) | 921 (210–2620) | 279 (0–600) | < 0.0001 | 0.0015 |
Adult male | 121 (0–420) | 8 (0–50) | 881 (190–2190) | 289 (0–740) | < 0.0001 | 0.0011 |
Total worm burden | 472 (20–1330) | 283 (0–1680) | 2869 (720–7100) | 2373 (60–7040) | < 0.0001 | 0.0125 |