Table 1. Effect of concentrate feeds on carcass traits of lamb

Parameters	Treatment (Mean ± SE)				Level of significance
Parameters	T₀	T₁	T₂	T₃	Level of significance
Initial body weight (kg)	10.60 ± 0.48^b	12.49 ± 0.49^a	10.54 ± 0.28^b	11.86 ± 0.31^a	< 0.0024
Final body weight (kg)	13.40 ± 0.61^b	15.99 ± 0.05^a	15.80 ± 0.31^a	16.77 ± 0.34^a	< 0.0001
ADG (g)	32.08 ± 2.14^c	38.89 ± 1.99^b	58.85 ± 1.26^a	55.69 ± 1.11^a	< 0.0001
% of live weight basis
Hot carcass weight (%)	6.36 ± 0.30^b	7.33 ± 0.25^a	7.51 ± 0.29^a	7.73 ± 0.39^a	< 0.0208
Dressing weight (%)	45.75 ± 0.49^c	47.37 ± 0.91^bc	51.35 ± 1.07^a	49.06 ± 1.46^ab	< 0.0040
Blood weight (%)	3.91 ± 0.18^a	4.12 ± 0.24^a	4.43 ± 0.46^a	5.03 ± 0.25^a	NS
Skin weight (%)	10.37 ± 0.19^a	10.66 ± 0.36^a	10.68 ± 0.27^a	12.37 ± 1.05^a	NS
Viscera weight (%)	21.84 ± 1.61^a	14.58 ± 0.42^b	14.54 ± 0.30^b	23.04 ± 0.81^a	< 0.0001
Head weight (%)	5.53 ± 0.11^b	5.60 ± 0.16^b	6.84 ± 0.28^a	7.44 ± 0.63^a	< 0.0009
Leg weight (%)	9.42 ± 0.89^b	10.34 ± 0.21^b	10.88 ± 0.31^b	12.55 ± 0.47^a	< 0.0020
Half carcass weight (%)	3.18 ± 0.25^c	3.67 ± 0.49^bc	3.76 ± 0.54^a	3.87 ± 0.73^ab	< 0.0041
Pluck weight (%)	6.53 ± 0.23^a	6.69 ± 0.36^a	7.14 ± 0.37^a	6.70 ± 0.27^a	NS
Neck weight (%)	3.63 ± 0.06^b	3.69 ± 0.11^b	4.47 ± 0.32^a	4.25 ± 0.11^a	< 0.0043
Shoulder weight (%)	8.66 ± 0.17^a	8.76 ± 0.25^a	8.99 ± 0.42^a	8.97 ± 0.21^a	NS
Rack weight (%)	9.78 ± 0.19^a	9.91 ± 0.28^a	10.22 ± 0.44^a	10.81 ± 0.23^a	NS
Loin weight (%)	3.42 ± 0.05^b	4.42 ± 0.05^b	5.09 ± 0.58^a	4.45 ± 0.04^b	< 0.0001
Shank weight (%)	1.72 ± 0.09^c	2.02 ± 0.13^b	2.09 ± 0.04^b	2.37 ± 0.07^a	< 0.0001
% of hot carcass weight basis
Kidney weight (%)	1.72 ± 0.28^a	1.68 ± 0.06^a	1.72 ± 0.07^a	1.38 ± 0.10^a	NS
Liver weight (%)	3.72 ± 0.13^b	3.81 ± 0.15^b	3.84 ± 0.19^b	4.28 ± 0.09^a	< 0.0419
Heart weight (%)	0.80 ± 0.03^c	0.81 ± 0.03^c	1.49 ± 0.10^a	1.01 ± 0.05^b	< 0.0001
Lung weight (%)	1.61 ± 0.07^a	2.06 ± 0.10^a	2.28 ± 0.12^a	2.93 ± 1.57^a	NS
Spleen weight (%)	0.68 ± 0.05^b	0.72 ± 0.02^b	0.73 ± 0.03^b	1.07 ± 1.07^a	< 0.0001

Mean in each row having different superscripts varies significantly at values (p < 0.05).
T₀, control group; T₁, 1% concentrate feed; T₂, 1.5% concentrate feed; T₃, 2% concentrate feed.
ADG, average daily gain; NS, non-significant.