Table 2.

Heritabilities, standard errors, genetic and phenotypic correlations among between parities for milk production traits in a Korean Holstein cattle population

Parity	Milk production traits (kg)
	Milk			Fat			Protein
	1	2	3	1	2	3	1	2	3
1	0.28	0.51	0.43	0.26	0.52	0.44	0.23	0.51	0.42
2	0.91	0.20	0.48	0.94	0.23	0.49	0.91	0.18	0.50
3	0.88	0.99	0.16	0.90	0.99	0.20	0.85	0.98	0.15

Diagonal, heritability; upper triangle, phenotypic; lower triangle, genetic correlation.