Thus, the anthelmintic resistance of the tested drugs was determined using a faecal egg count reduction test (FECRT) .
The mean pre- and posttreatment faecal egg count and the percentage of faecal egg count reduction and the lower and upper 95% confidence limit for each group of anthelmintic drugs tested were summarized in Table 2.
Ivermectin had a faecal egg count reduction percentage greater than 95% and the lower confidence limit at 95% is less than 90% in our study.
The anthelmintic resistance in gastrointestinal nematodes of sheep was detected through faecal egg count reduction test with oxfendazole, levamizole and ivermectin and egg hatch assay for oxfendazole (Coles et al., 1992; Lyndal-Murphy, 1992).
Its calculation are based on those of the Reso faecal egg count reduction test analysis program (Version 2.0)
Furrer, "Evaluating faecal egg count reduction
using a specifically designed package 'eggCounts' in R and a user friendly web interface," International Journal for Parasitology, vol.
Kakar et al (2014) recorded the faecal egg count reduction test of sheep in Balochistan with oxfandazole, levamisole and ivermectin were 97%, 98% and 99% respectively, which indicated the susceptibility of these anthelmintics against gastrointestinal ssnematodes.
Detection of Anthelmintic Resistance in Gastrointestinal Nematodes of Sheep in Balochistan Through Faecal Egg Count Reduction Test and Egg Hatch Assay, Sarhad.
Survey of anthelmintic resistance on Danish horse farms using 5 different methods of calculating faecal egg count reduction