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

BMC Veterinary Research

Table 5 The effect of the winged bean tuber to replace corn in concentrate mixture on nitrogen (N) balance in beef cattle

Item	% Winged bean tuber replacement				SEM	Contrast
Item	0%	33%	66%	100%	SEM	L	Q
Nitrogen (N) intake
g/day	70.94	71.94	71.56	73.55	1.29	0.08	0.51
g/kg BW^0.75	0.97	0.96	0.92	0.98	0.12	0.75	0.11
N excretion, g/day
Fecal N excretion	24.67	23.00	24.73	25.53	1.98	0.50	0.40
Urinary N excretion	6.34	6.54	5.64	5.82	0.44	0.10	0.98
N absorption,
g/day	46.27	48.94	46.83	48.02	2.20	0.62	0.70
g/kg BW^0.75	0.63	0.66	0.68	0.65	0.08	0.80	0.60
N retention
g/day	39.93	42.40	41.19	42.20	2.44	0.45	0.73
g/kg BW^0.75	0.54	0.57	0.54	0.57	0.04	0.70	0.96

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