Table 1.

CSN2 c.647G>A polymorphism: Genotype and gene frequencies in different breeds.

Breed	N	Number of Sows			Genotype Frequency			Gene Frequency
		AA	AG	GG	PAA	HAG	QGG	pA	qG
Landrace	67	0	3	64	0	0.07	0.93	0.035	0.965
Pietrain	40	0	0	40	0	0	1	0	1
Large White	36	2	17	17	0.06	0.47	0.47	0.295	0.705
Mangalita	13	0	3	10	0	0.23	0.77	0.115	0.885
Bazna	11	1	8	2	0.09	0.73	0.18	0.445	0.545

CSN2, the gene encoding β-casein; N, number of genotyped individuals.