McNemar's test of TMEM154 polymorphims in matched case-control pairs of ewes.

aThe risk factor alleles were defined as the “C” allele for OAR_17_5388531, the E35 allele for the E35K variant, and haplotypes 2 and 3 for the TMEM154 haplotype variants. Haplotypes 2 and 3 were analyzed as equivalent risk factors. Animals without E35 or haplotypes 2 or 3 were scored as not having the genetic risk factor.bUndefined because of the zero denominator.cThe p-value was calculated with McNemar's test with the continuity correction.