Skip to main content

Table 4 Allele frequencies after IVM treatment for T. circumcincta SNPs 167 and 198/200, and T. colubriformis SNP 198/200, and morphological identification

From: Quantification of resistant alleles in the β-tubulin gene of field strains of gastrointestinal nematodes and their relation with the faecal egg count reduction test

Farm % Egg reduction R/S
classification
T. colubriformis T. circumcincta % L3 species
  % SNP200 % SNP198 % SNP200 % SNP198 % SNP167 Tc Tri
1 37.3 R 23.3 6.4 0 0 0 63 37
2 100 S 97.3 0 0 0 0 54 46
3 86.0 R 79.2 14 0 0 2.4 41 59
4 −11.9 R 94.7 0 0 0 0 60 40
5 99.3 S 93.7 1 - - 0 50 50
6 100 S - - 0 0 3 54 46
7 95.9 S 100 14 0 0 0 70 30
8 100 S 89.9 6.1 - - 0 - -
9 93.5 Borderline 95 2.4 0 0 6.1 44 56
  1. Tc: T. circumcincta and Tri: Trichostrongylus spp. -: Failed samples