Table 4.

Effect of experimental diets on carcass quality of broilers¹

Item	Live weight2 (g)	Carcass weight (g)	Breast weight3 (g)	Carcass4 (%)	Breast5 (%)
Treatment
1	3,212	2,282	649.3	71.59	28.3
2	3,287	2,336	672.6	70.14	28.8
3	3,236	2,339	677.8	71.87	28.9
4	3,341	2,383	716.9	70.83	30.1
5	3,301	2,398	697.9	71.39	29.6
6	3,319	2,377	684.3	71.02	28.9
SEM	20.600	13.450	5.920	0.200	0.156
P-value for contrasts6
1 versus 2	0.290	0.210	0.213	0.027	0.306
1 versus 3	0.738	0.187	0.129	0.665	0.183
1 versus 4	0.068	0.020	<0.001	0.239	<0.001
1 versus 5	0.206	0.008	0.010	0.755	0.012
1 versus 6	0.130	0.029	0.062	0.375	0.215

¹All means are average of 24 birds per treatment.

²Live weight used here is of the birds used in processed data.

³Breast was boneless.

⁴% carcass = (carcass weight/live weight × 100).

⁵% breast = (breast weight/carcass weight × 100).

⁶Significance level (P ≤ 0.05).