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Table 4 Plasma concentrations of amino acids (μmol/L) 1 h after supplementation at d 140 of pregnancy (P140) or 2 h post-birth of twin-bearing ewes either supplemented with arginine or saline (control) from P100 to P140 or parturition ¹

From: Parenteral administration of twin-bearing ewes with L-arginine enhances the birth weight and brown fat stores in sheep

	Ewe plasma
	P140				2 h post-birth
	Arginine	Control	SEM	P value	Arginine	Control	SEM	P value
n	6	6			5	5
Taurine	61	77	12	0.34	63	74	15	0.63
Aspartic acid	6	7	1	056	6	5	1	0.71
Threonine	148	235	30	0.07	91	130	17	0.15
Serine	66	91	8	0.05	52	53	7	0.88
Asparagine	24	44	8	0.13	13	17	2	0.36
Glutamic acid	80	65	13	0.40	53	63	10	0.50
Glutamine	257	266	13	0.60	191	218	13	0.19
Glycine	516	795	58	<0.01	379	396	36	0.74
Alanine	169	167	14	0.86	200	247	27	0.24
Citrulline	211	262	32	0.29	194	156	23	0.27
Valine	227	223	27	0.91	143	168	33	0.61
Methionine	26	38	2	<0.01	20	29	2	0.01
Isoleucine	113	114	11	0.88	105	78	42	0.67
Leucine	161	164	18	0.92	84	124	25	0.29
Tyrosine	57	64	4	0.27	49	39	10	0.50
Phenylalanine	55	62	5	0.30	40	54	11	0.38
B-Alanine	1	0.5	0.5	0.64	200	247	27	0.24
Tryptophan	59	63	5	0.63	55	48	12	0.66
Ornithine	394	137	38	<0.01	113	62	12	0.01
Lysine	212	192	17	0.44	121	119	14	0.94
Histidine	91	103	9	0.37	94	118	6	0.02
Arginine	992	109	84	<0.01	127	110	14	0.40
Proline	93	101	7	0.43	66	98	38	0.56

¹Data are presented as means and average SEM, together with P value for the treatment effect.

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