Effects of feed form and feed particle size with dietary L- threonine supplementation on performance, carcass characteristics and blood biochemical parameters of broiler chickens

Table 3 Effects of dietary treatments on carcass characteristics and internal organs of broilers

Treatment	Breast	Thigh	Liver	Pancreas	Gizzard	Heart	Intestine
	(% of live weight)						(cm)
Feed form
Mash	25.55	18.76	2.22^b	0.21	1.19^a	0.42	211.62
Pellet	26.64	18.25	2.44^a	0.20	0.99^b	0.44	215.66
Feed size
Course	25.92	18.49	2.26	0.19	1.10	0.44	217.12
Fine	26.27	18.52	2.39	0.21	1.09	0.42	210.16
L-threonine
+	26.04	18.49	2.22^b	0.20	1.06	0.43	215.62
-	26.15	18.52	2.44^a	0.21	1.12	0.43	211.66
SEM	0.38	0.23	0.06	0.01	0.03	0.01	2.96
Interaction effects
	Probability value
A × B	0.44	0.18	0.51	0.61	0.79	0.48	0.30
A × C	0.03	0.14	0.08	0.15	0.65	0.24	0.001
B × C	0.33	0.59	0.23	0.38	0.77	0.08	0.21
A × B × C	0.14	0.43	0.16	0.49	0.30	0.32	0.06

^a-bMeans without a common superscripts in per column are significantly different (P < 0.05).
A: feed form; B: feed size; C: L-threonine.

ISSN: 2055-0391