. 2020 Nov 28;100(2):760–764. doi: 10.1016/j.psj.2020.11.047

Table 1.

Results of growth, feed consumption, economic efficiency, and carcass composition.

Genotype	Sex	Feeding regime	Final weight (g)	DWG (g)	FI (g)	FCR (kg)	EPEF	DOP (%)	Breast percentage (%)	Thigh percentage (%)	AF (%)
Ross	Males	AL	2,073^c	63.3^a	102^a	1.54^g	407^a	71.6	32.1	29.2^d	1.50^e
	Males	FR	1,870^e	56.9^b	93.9^b	1.57^g	369^c	71.9	30.4	29.7^d	1.46^e
	Females	AL	1,935^d	58.9^b	95.2^b	1.55^g	380^b	73.5	28.9	29.8^d	1.61^e
	Females	FR	1,624^g	49.3^c	82.9^c	1.59^g	314^d	73.7	27.9	29.3^d	2.06^d
JA	Males	AL	2,136^b	45.5^c	96.4^b	1.85^f	254^e	74.7	24.8	29.1^d	2.00^d
	Males	FR	1,916^d	41.6^d	84.7^c	1.81^f	235^c	74.6	24.7	29.7^d	1.95^d
	Females	AL	1,848^e	40.1^d	92.5^b	2.15^e	188^g	75.7	26.1	28.7^e	2.62^b
	Females	FR	1,767^f	38.3^d	85.5^c	2.06^d	188^g	76.0	27.5	28.2^e	2.62^b
Dual	Males	AL	2,224^a	27.3^e	85.6^c	3.11^c	87.0^h	74.5	19.1	33.7^b	1.51^e
	Males	FR	2,238^a	27.5^e	83.2^c	3.03^c	89.0^h	72.7	17.8	33.6^b	1.32^e
	Females	AL	1,562^h	19.1^f	73.5^d	3.76^a	52.0ⁱ	68.9	18.8	31.9^c	3.49^a
	Females	FR	1,574^h	19.2^f	70.3^d	3.60^b	53.8ⁱ	64.9	19.9	37.6^a	2.20^c
RMSE			32	0.72	1.80	0.02	5.11	0.69	0.43	0.39	0.29
Genotype			0.05	0.001	0.001	0.001	0.001	0.001	0.001	0.001	0.001
Sex			0.001	0.001	0.001	0.001	0.001	0.001	ns	ns	0.001
Feeding regime			0.001	0.001	0.001	0.001	0.001	0.001	ns	0.001	0.05
Genotype × sex × feeding regime			0.001	0.001	0.001	0.05	0.001	ns	ns	0.001	0.001

^a-iMeans within a column differ P ≤ 0.05.

Abbreviations: AF, abdominal fat; AL, ad libitum; DOP, dressing out percentage; Dual, slow growing ISA Dual; EPEF, European Performance Efficiency Factor; FCR, feed conversion ratio; FI, daily feed intake; FR, feed restriction 70% AL, 14 to 21 d of age; JA, medium growing Hubbard JA 757; RMSE, root mean square error; Ross, fast growing Ross 308.