Effects of quantitative feed restriction and sex on carcass traits, meat quality and meat lipid profile of Morada Nova lambs

Table 4 Carcass characteristics and commercial cuts weight of Morada Nova lambs of different sexes subjected to feed restriction

Variables	Sexes			Feed restrictions			SEM	P-value
Variables	Ent	Cas	Fem	AL	30%	60%	SEM	Sex	Res	Sex × Res
HCW, kg	11.5ª	10.3^b	8.99^c	12.7ª	10.6^b	7.51^c	0.139	<.0001	<.0001	0.110
HCY, %	42.1^b	44.1ª	45.2ª	44.4	43.6	43.4	0.325	0.002	0.474	0.967
CCW, kg	11.4ª	10.18^b	8.88^c	12.58ª	10.51^b	7.42^c	0.138	<.0001	<.0001	0.106
CCY, %	41.7^b	43.6^ab	44.7ª	43.9	43.2	42.9	0.315	0.002	0.435	0.965
SFT, mm	1.32	1.10	1.12	1.55^a	1.25ª	0.75^b	0.060	0.283	<.0001	0.185
REA, cm²	11.0ª	10.3^ab	9.36^b	11.7ª	10.1^b	8.88^b	0.205	0.010	<.0001	0.649
Leg, kg	1.84^a	1.64^b	1.48^c	2.02^a	1.69^b	1.26^c	0.022	<.0001	<.0001	0.109
Loin, kg	0.58^a	0.48^b	0.42^b	0.65^a	0.50^b	0.32^c	0.011	<.0001	<.0001	0.102
Neck, kg	0.40^a	0.35^b	0.27^c	0.40^a	0.33^b	0.28^c	0.007	<.0001	<.0001	0.010
Shoulder, kg	1.01^a	0.93^b	0.83^c	1.12^a	0.93^b	0.70^c	0.011	<.0001	<.0001	0.383
Rib, kg	1.07^a	0.86^b	0.78^b	1.11^a	0.98^a	0.62^b	0.024	0.0002	<.0001	0.329
Lower rib, kg	0.85^a	0.79^a	0.63^b	0.96^a	0.80^b	0.51^c	0.019	0.0002	<.0001	0.485

Ent Entire males, Cas Castrated males, Fem Females, AL ad libitum intake, 30% 30% feed restriction, 60% 60% feed restriction, SEM standard error of the mean, Sex sexes and Res = feed restriction, HCW hot carcass weight, HCY Hot carcass yield, CCW cold carcass weight, CCY cold carcass yield, SFT subcutaneous fat thickness, REA Rib eye area
^{a b c} Means followed by different letters differ between sexes according to a Tukey-Kramer test (P < 0.05)
^{a b c} Means followed by different letters differ between feed restrictions according to a Tukey-Kramer test (P < 0.05)

ISSN: 2049-1891