Table 3.

Effects of dietary supplementation with AAA on serum concentration of amino acids in piglets (μmol/L).

Item	Basal diet		AAA diet		SEM	P -value
	Saline	LPS	Saline	LPS		Diet	LPS	Diet × LPS
His	41.11	53.53	41.91	65.89	1.464	0.034	<0.001	0.060
Ile	73.42	58.20	71.97	55.51	2.912	0.726	0.012	0.916
Leu	104.81	89.05	89.97	87.72	4.722	0.400	0.350	0.481
Lys	142.67	128.09	155.06	157.64	4.771	0.038	0.536	0.378
Met	17.09	18.64	21.55	19.98	0.950	0.140	0.994	0.419
Phe	56.87	67.77	64.67	73.19	2.238	0.153	0.040	0.793
Arg	45.85	46.40	56.06	48.26	1.431	0.046	0.217	0.158
Thr	24.55	28.66	22.10	35.14	1.705	0.560	0.019	0.203
Trp	15.45b	14.18b	26.41a	15.30b	1.123	0.013	0.011	0.038
Val	79.59	76.49	71.65	81.23	2.468	0.749	0.518	0.212
EAA	601.42	581.01	621.36	639.85	17.224	0.264	0.978	0.578
Ala	545.30	770.11	494.02	930.11	27.690	0.336	<0.001	0.068
Asn	6.33	5.99	6.18	6.41	0.165	0.688	0.868	0.397
Asp	5.14	6.68	4.86	4.40	0.567	0.270	0.639	0.387
Cys	1.21	1.96	1.38	2.66	0.097	0.034	<0.001	0.192
Gln	338.58	362.71	322.47	364.73	9.618	0.717	0.097	0.642
Glu	91.14	105.17	87.97	88.88	7.449	0.520	0.621	0.664
Gly	542.11	538.29	500.34	593.69	21.636	0.876	0.311	0.273
Pro	167.77	180.06	161.81	200.81	8.197	0.656	0.131	0.423
Ser	74.69	83.19	71.81	96.37	2.222	0.258	0.001	0.084
Tyr	37.55	42.77	64.33	58.03	3.457	0.006	0.938	0.413
NEAA	1809.81	2096.94	1715.18	2346.08	54.062	0.482	<0.001	0.125

AAA diet, basal diet supplemented with 0.16% tryptophan + 0.41% phenylalanine + 0.22% tyrosine.

^{a, b}Within a row, means sharing different superscript letters differ significantly (p < 0.05).

His, histidine; Ile, isoleucine; Leu, leucine; Lys, lysine; Met, methionine; Phe, phenylalanine; Arg, arginine; Thr, threonine; Trp, tryptophan; Val, valine; EAA, essential amino acid; Ala, alanine; Asn, asparagine; Asp, aspartic acid; Cys, cysteine; Gln, glutamine; Glu, glutamic acid; Gly, glycine; Pro, proline; Ser, serine; Tyr, tyrosine; NEAA, non-essential amino acid.