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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

FarmLD50; 24 h (µl/ml)LD50; 120 h (µl/ml)KD50; 24 h (µl/ml)
136867nana
22951nana
32992nana
43972nana
53417nana
63430nana
74172nana
83121nana
93175nana
103304nana
116.538 × 10623.10.19
1211.3372.70.08
1331910.30.18
14742958.30.05
15685710.40.33
16944993.60.77
  1. Abbreviation: na, data not available