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

Table 8 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 the plasma of sow-reared piglets 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	636	649	649	760	687	685	764	692	702	24	< 0.001	0.002	0.036
Arg	216	136	127	238	171	173	272	179	183	12	< 0.001	< 0.001	0.881
Asn	78	89	101	106	110	117	119	120	124	4.8	< 0.001	< 0.001	0.132
Asp	14	19	20	18	21	22	19	23	25	1.2	< 0.001	< 0.001	0.754
β-Ala	26	26	27	28	28	26	28	26	27	1.0	0.504	0.336	0.011
Cit	132	76	81	164	82	90	178	107	109	5.4	< 0.001	< 0.001	0.149
Cys²	166	165	158	166	169	162	172	171	162	7.1	0.510	0.130	0.973
Gln	709	542	538	748	605	602	809	646	688	32	< 0.001	< 0.001	0.190
Glu	83	83	85	101	107	103	112	116	118	10	< 0.001	0.240	0.906
Gly	1080	1091	1093	1152	1047	1060	1060	1160	1188	32	< 0.001	0.647	0.968
His	98	95	108	97	95	112	97	95	114	4.6	0.854	< 0.001	0.885
Ile	126	128	127	169	179	188	185	198	201	11	< 0.001	0.132	0.732
Leu	198	178	186	223	227	233	240	242	247	18	< 0.001	0.674	0.596
Lys	202	234	232	215	251	243	220	251	242	15	0.206	0.001	0.990
Met	78	80	77	83	85	79	86	89	91	3.4	< 0.001	0.413	0.485
Orn	136	95	109	141	103	110	148	98	113	6.1	0.193	< 0.001	0.613
Phe	93	93	96	95	96	98	96	96	97	3.1	0.014	0.794	0.022
Pro	500	509	510	526	534	540	541	568	573	14	< 0.001	0.060	0.783
Ser	251	294	301	269	294	299	269	291	302	12	0.703	< 0.001	0.617
Tau	113	128	123	141	137	157	143	170	167	8.0	< 0.001	0.001	0.039
Thr	261	241	243	273	249	253	296	260	269	14	0.004	< 0.001	0.962
Trp	42	46	48	43	48	59	44	51	59	2.2	0.029	< 0.001	< 0.001
Tyr	128	136	135	141	139	136	146	143	140	6.8	< 0.001	0.532	0.002
Val	226	232	231	321	329	330	351	349	352	16	< 0.001	0.787	0.547
TBARS	4.90	4.06	3.61	5.03	3.96	3.04	5.11	4.15	3.14	0.48	0.804	< 0.001	0.829

Values, expressed as μmol/L, are means with pooled SEM, n = 20 piglets/treatment group
Data were analyzed by two-way ANOVA.
¹Treatment (T), Day (D), and Treatment × Day (T × D) interaction; ²cysteine + 1/2 cystine

ISSN: 2049-1891