Research Article

Detection of Amitraz Resistance in Rhipicephalus (Boophilus) microplus from SBS Nagar, Punjab, India

Table 1

Dose-dependent response of amitraz against R. (B.) microplus collected from SBS Nagar, Punjab.

Concentration (ppm) Number of ticks Average weight ± SE (mg)Number of dead ticks (mortality%)Average egg mass ± SE (mg)RI (average egg mass/average weight)IO%

62.520 0 (0) 0.39331.75
12520 8 (40) 0.33627.92
25020 8 (40) 0.31535.94
50020 14 (70) 0.31946.16
100020 16 (80) 0.25152.73
Control20 0 0.4310.0