Dietary supplementation with branched-chain amino acids enhances milk production by lactating sows and the growth of suckling piglets

Table 7 Effects of supplementing branched-chain amino acids (BCAAs) to the diets of sows on the concentrations of free amino acids and thiobarbituric acid reactive substances (TBARS) in their plasma during lactation

Variable	Control			1.535% BCAA			3.07% BCAA			Pooled SEM	P-value
Variable	d 3	d 15	d 29	d 3	d 15	d 29	d 3	d 15	d 29	Pooled SEM	Treatment	Day	T × D¹
Ala	369	492	517	482	600	607	596	640	649	42	< 0.001	< 0.001	0.485
Arg	103	121	150	147	173	177	161	181	182	15	< 0.001	0.001	0.632
Asn	58	63	80	83	85	85	96	92	95	5.9	< 0.001	0.052	0.037
Asp	32	34	36	34	33	36	35	34	38	2.0	0.353	0.005	0.789
β-Ala	17	18	19	18	18	19	18	19	19	0.59	0.021	0.038	0.056
Cit	60	64	74	70	78	90	86	85	91	6.7	< 0.001	0.004	0.597
Cys²	229	235	236	231	235	239	243	252	255	14	0.100	0.555	0.999
Gln	564	567	572	620	628	632	654	664	670	26	< 0.001	0.717	1.00
Glu	84	72	80	113	121	125	132	140	143	18	< 0.001	0.494	0.461
Gly	947	964	1003	949	981	1018	1029	981	1023	54	0.429	0.343	0.822
His	76	69	80	80	75	78	91	79	80	4.2	0.005	0.008	0.161
Ile	70	91	114	130	139	146	169	195	219	14	< 0.001	< 0.001	0.545
Leu	148	167	210	260	286	295	341	397	403	30	< 0.001	0.011	0.831
Lys	124	126	130	138	144	147	156	164	163	8.1	< 0.001	0.265	0.984
Met	37	35	34	41	41	41	41	42	50	3.0	< 0.001	0.354	0.083
Orn	69	76	102	76	77	101	78	77	105	6.1	0.465	< 0.001	0.882
Phe	72	77	96	73	73	95	79	73	97	4.7	0.684	< 0.001	0.66
Pro	237	246	247	300	306	320	358	376	385	17	< 0.001	0.162	0.945
Ser	136	137	147	138	141	151	139	142	154	9.1	0.675	0.030	0.997
Tau	55	61	58	58	62	61	58	66	67	5.1	0.149	0.119	0.921
Thr	101	102	127	108	101	132	109	119	132	9.4	0.151	< 0.001	0.692
Trp	49	49	52	53	51	57	54	60	64	3.8	< 0.001	0.038	0.482
Tyr	58	74	91	79	90	92	82	91	99	6.3	< 0.001	< 0.001	0.194
Val	182	216	234	276	326	357	374	416	473	32	< 0.001	< 0.001	0.852
TBARS	1.99	2.37	2.84	1.76	2.17	2.59	1.70	2.02	2.41	0.18	0.004	< 0.001	0.982

Values, expressed as μmol/L, are means with pooled SEM, n = 10 sows/treatment group
Data were analyzed by two-way ANOVA
¹Treatment (T), Day (D), Treatment × Day (T × D) interaction; ²cysteine + 1/2 cystine

ISSN: 2049-1891