Table 6. Content of muscles and fat in broiler chicken carcass.

Parameter n = 10 per group	Group1					SEM	p-value	F-value	R2(adj.)
	1	2	3	4	5
Weight and proportion in carcass
Breast muscles (g)	559.35c	710.66b	797.29a	771.22ab	727.81ab	13.74	< 0.001	32.47	0.72
Breast muscles (%)	29.44b	30.16ab	32.08a	31.22ab	30.47ab	0.27	0.016	3.38	0.48
Leg muscles (g)	425.55b	519.73a	547.70a	550.05a	525.20a	8.88	<0.001	13.19	0.50
Leg muscles (%)	22.41	22.00	22.04	22.22	22.02	0.19	0.962	0.15	0.11
Total muscles (g)	984.90b	1230.39a	1344.99a	1321.27a	1253.01a	21.39	< 0.001	30.82	0.72
Total muscles (%)	51.85	52.16	54.12	53.44	52.48	0.33	0.153	1.77	0.36
Skin with subcutaneous fat (g)	167.43b	196.20ab	214.84a	215.68a	217.29a	4.02	<0.001	9.53	0.41
Skin with subcutaneous fat (%)	8.84	8.33	8.63	8.72	9.11	0.13	0.394	1.05	0.09
Abdominal fat (g)	17.17	23.82	18.93	20.79	20.48	1.07	0.388	1.06	0.09
Abdominal fat (%)	0.91	1.00	0.76	0.85	0.86	0.05	0.593	0.71	0.06
Total fat (g)	184.60b	220.02a	233.77a	236.47a	237.77a	4.34	<0.001	8.56	0.38
Total fat (%)	9.75	9.33	9.39	9.57	9.97	0.14	0.618	0.67	0.06

Notes.

a, b, c, d, means in the same line with no common superscript differ between groups (p < 0.05); SEM, standard error of the mean; R²(adj.), adjusted coefficient of determination.

¹1 , no addition of aluminosilicates to feed and litter; 2, 0.95 kg/m² of halloysite in litter; 3, 0,475 kg/m² of halloysite and 0,475 kg/m² of zeolite in litter; 4, 0,95 kg/m² of zeolite in litter; 5, 0,25 kg/m² of halloysite and 0,7 kg/m² of zeolite in litter; groups 2–4, addition of halloysite and zeolite do feed (proportion 25:75; starter, 0.5%; grower 1, 1%; grower 2, 1.5%; finisher, 2%).