. 2020 Jan 22;99(3):1341–1348. doi: 10.1016/j.psj.2019.10.052

Table 3.

Effect of housing system, age, and their interaction on slaughtering performance.

HS	LW (kg)	CW (kg)	SEW (kg)	SEP (%)	EW (kg)	EP (%)	BMW (g)	BMP (%)	TMW (g)	TMP (%)
CC	1.40	1.29	1.06	78.64	0.86	66.11	128.68^b	15.17^B	169.13	19.82
FF	1.35	1.23	1.03	79.99	0.83	66.73	140.93^a	17.62^A	160.67	19.82
SEM	0.037	0.032	0.030	0.852	0.024	1.034	4.840	0.334	5.117	0.285
Age
32 wk	1.20^B,b	1.08^B	0.95	79.18^A,b	0.80^b,c	66.64^A,b	131.01^a,b	16.47	165.18^a,b	20.71^A,a
41 wk	1.40^a	1.27^A	1.03	81.34^A	0.78^B,c	70.54^A,a	125.12^b	16.10	146.64^b	18.90^B,b
49 wk	1.41^A,a	1.31^A	1.09	83.60^A,a	0.91^A,a	69.51^A	148.28^a	16.37	182.89^a	20.12^a
57 wk	1.50^A,a	1.39^A	1.10	73.16^B	0.89^a,b	59.02^B	147.27^a	16.65	174.25^a	19.55^a,b
SEM	0.052	0.047	0.043	1.205	0.033	1.034	6.724	0.473	7.970	0.404
HS	NS	NS	NS	NS	NS	NS	0.026	<0.001	NS	NS
Age	0.002	0.001	NS	<0.001	0.018	<0.001	0.045	NS	0.020	0.024
HS × Age	NS	NS	NS	0.044	NS	0.021	NS	NS	NS	NS

Means within a column followed by different superscript letters differ significantly; NS: P > 0.05; ^A,BP < 0.01; ^a,b,cP < 0.05.

Abbreviations: BMP, breast meat percentage; BMW, breast meat weight; CW, carcass weight; CP, carcass percentage; EW, eviscerated weight; EP, eviscerated percentage; LW, live weight; SEW, semieviscerated weight; SEP, semieviscerated percentage; TMP, thigh meat percentage; TMW, thigh meat weight.