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Table 4 Beta-tubulin codon 200 genotyping results from Nematodirus battus adult worms of two Nematodirus battus isolates (MNba1 FBZ-sensitive and MNba2, FBZ-resistant phenotypes)

From: Phenotypic and genotypic analysis of benzimidazole resistance in the ovine parasite Nematodirus battus

Population Number of worms Relative proportion of codon 200 genotype (%) Allele frequency (%)
TTC/TTC TTC/TAC TAC/TAC S R
MNba1 20 100 0 0 100 0
MNba2CON 20 5 25 70 18 83
MNba2FBZ 20 10 20 70 20 80