Table 7.

Effect of leucine supplementation on plasma FAA in boars (μmol/L).

Date	Items	CON	LEU	P-value
1 d	Threonine	98.69, 3.70	89.96, 11.64	0.42
	Alanine	419.20, 11.28	419.60, 27.58	0.98
	Valine	153.10, 13.98	165.70, 12.91	0.32
	Methionine	21.46, 1.20	19.25, 1.48	0.11
	Isoleucine	52.06, 10.33	48.75, 3.57	0.70
	Leucine	84.05, 10.48	75.33, 3.93	0.25
	Phenylalanine	43.31, 5.07	39.91, 5.07	0.46
	Lysine	167.70, 21.41	177.70, 7.33	0.49
	Arginine	73.49, 0.09	64.19, 17.27	0.52
57 d	Threonine	73.76, 6.36	93.30, 33.94	0.09
	Alanine	435.60, 29.20	348.60, 35.39	<0.01
	Valine	144.60, 17.90	124.70, 36.11	0.18
	Methionine	35.39, 5.41	38.58, 3.68	0.23
	Isoleucine	70.19, 6.80	68.14, 13.64	0.69
	Leucine	134.30, 15.11	159.80, 19.02	0.03
	Phenylalanine	83.17, 13.97	90.85, 14.90	0.29
	Lysine	119.70, 22.13	133.80, 20.21	0.20
	Arginine	80.19, 21.83	87.45, 22.91	0.56
113 d	Threonine	93.70, 13.08	113.40, 3.82	0.04
	Alanine	344.30, 18.69	257.20, 14.62	<0.01
	Valine	173.70, 23.95	159.00, 16.32	0.33
	Methionine	40.00, 9.77	38.20, 10.88	0.78
	Isoleucine	61.50, 9.12	58.24, 11.13	0.59
	Leucine	117.20, 19.78	142.80, 9.57	0.04
	Phenylalanine	89.47, 10.19	96.17, 6.97	0.25
	Lysine	138.20, 15.01	147.80, 7.46	0.22
	Arginine	92.50, 22.87	105.80, 14.56	0.34

CON, control group; LEU, leucine group. Values are presented as means ± Standard deviation (n = 15).