Table 6. The analysis of variance of combining abilities of livability, egg production and egg weight in Korean native commercial chicken combinations

	Livability			Egg production		Egg weight
	df	Mean square	P-value	Mean square	P-value	Mean square	P-value
GCA1	3	54.814	0.34603	2.064	0.79334	4.9244	0.00258
SCA2	2	170.623	0.04702	38.432	0.00838	2.761	0.06572

GCA, general combining ability
SCA, specific combining ability.