Table 1.

Genetic parameters¹ for vulva length, vulva width, and vulva angle scores

Population	Trait	VL2	VW3	VAS4
PIC	VL	0.302 ± 0.118	0.767*	-
	VW	0.720*	0.167 ± 0.097	-
Topigs	VL	0.211 ± 0.041	0.585*	0.381*
	VW	0.559*	0.258 ± 0.043	−0.072
	VAS	0.376*	-0.207	0.426 ± 0.046
Canadian	VL	0.295 ± 0.059	0.670*	0.541*
	VW	0.678*	0.301 ± 0.061	0.044
	VAS	0.366*	0.145	0.297 ± 0.062

¹Genetic correlation coefficients are listed in the upper triangle, phenotypic correlation coefficients are listed in the lower triangle, and heritability values are listed in the diagonal.* Denotes P < 0.05.

²Vulva length.

³Vulva width.

⁴Vulva angle scores.