Table 2 LD50 at 24 h and at 120 h and KD50 at 24 h for ivermectin in P. ovis populations from 16 Belgian Blue farms in Belgium and the Netherlands
From: Resistance against macrocyclic lactones in Psoroptes ovis in cattle
Farm | LD50; 24 h (µl/ml) | LD50; 120 h (µl/ml) | KD50; 24 h (µl/ml) |
|---|---|---|---|
1 | 36867 | na | na |
2 | 2951 | na | na |
3 | 2992 | na | na |
4 | 3972 | na | na |
5 | 3417 | na | na |
6 | 3430 | na | na |
7 | 4172 | na | na |
8 | 3121 | na | na |
9 | 3175 | na | na |
10 | 3304 | na | na |
11 | 6.538 × 106 | 23.1 | 0.19 |
12 | 11.337 | 2.7 | 0.08 |
13 | 3191 | 0.3 | 0.18 |
14 | 7429 | 58.3 | 0.05 |
15 | 6857 | 10.4 | 0.33 |
16 | 94499 | 3.6 | 0.77 |