Winged bean tuber as a novel alternative to corn meal in concentrate mixture in Thai native beef cattle diets

BMC Veterinary Research

Table 2 The effect of the winged bean tuber to replace corn in concentrate mixture on feed intake and on feed intake and digestibility in beef cattle

Item	% Winged bean tuber replacement				SEM	Contrast
Item	0%	33%	66%	100%	SEM	L	Q
Rice straw intake
kg of dry matter (DM)/day	4.75	4.85	4.89	5.11	0.19	0.12	0.53
% of body weight (BW)	1.50	1.53	1.54	1.61	0.05	0.36	0.10
g/kg BW^0.75	63.99	64.45	62.35	67.53	1.99	0.20	0.12
Concentrate
kg DM/day	1.69	1.68	1.64	1.66	0.06	0.38	0.55
% of BW	0.52	0.51	0.51	0.51	0.01	0.42	0.72
g/kg BW^0.75	22.73	22.26	20.97	22.01	1.84	0.95	0.60
Total intake
kg DM/day	6.44	6.53	6.53	6.77	0.14	0.14	0.45
% of BW	2.02	2.04	2.05	2.12	0.05	0.37	0.10
g/kg BW^0.75	86.72	86.71	83.32	89.54	5.92	0.09	0.50
Nutrient intake, kg/d
Organic matter	5.79	5.87	5.87	6.07	0.13	0.06	0.72
Crude protein	0.44	0.45	0.45	0.46	0.01	0.13	0.54
Neutral detergent fiber	3.92	44	4.09	4.29	0.51	< 0.01	0.57
Acid detergent fiber	2.33	2.38	2.41	2.53	0.06	< 0.01	0.39
Nutrient digestibility
Dry matter, g/kg	687	684	685	689	17.82	0.89	0.79
Organic matter, g/kg DM	708	704	709	708	17.02	0.95	0.88
Crude protein, g/kg DM	665	684	673	658	18.27	0.57	0.22
Neutral detergent fiber, g/kg DM	668	653	659	634	17.82	0.13	0.08
Acid detergent fiber, g/kg DM	605	587	596	659	14.25	0.07	0.19

SEM = standard error of the mean; T1, T2, T3, and T4 = corn replaced by WBT at 0, 33, 67, and 100%, respectively; WBT = winged bean tuber

ISSN: 1746-6148