Effects of different amino acid levels and a carvacrol–thymol blend on growth performance and intestinal health of weaned pigs

Table 5 Antioxidant enzyme activity and MDA content in plasma of piglets

Times	Items	Low AA		High AA		SEM	P-value
Times	Items	CB (−)	CB (+)	CB (−)	CB (+)	SEM	AA	CB	AA×CB
	Number of pens	10	10	8	10
7 d	T-SOD, U/mL	25.94	37.39	33.18	40.07	1.83	0.15	0.01	0.50
	GSH-px, μmol/L	1023.54	992.86	998.93	935.54	20.77	0.34	0.27	0.70
	MDA, nmol/mL	6.96	5.81	7.33	6.52	0.24	0.26	0.04	0.72
	T-AOC, U/mL	0.76	0.75	0.75	0.79	0.01	0.38	0.59	0.12
14 d	T-SOD, U/mL	42.37	38.33	35.58	37.69	1.28	0.16	0.71	0.24
	GSH-px, μmol/L	576.94	644.94	610.51	694.28	16.94	0.20	0.02	0.81
	MDA, nmol/mL	7.35	5.52	7.52	6.77	0.27	0.17	0.02	0.30
	T-AOC, U/mL	0.71	0.71	0.71	0.7	0.01	1.00	0.33	0.83

All results are presented as mean ± SEM. AA Amino acid effect, CB a carvacrol–thymol blend effect, AA×CB interaction effect of amino acid and a carvacrol–thymol blend. P < 0.05 significant difference, P < 0.01 extremely significant difference

ISSN: 2049-1891