Long-term and combined effects of N-[2-(nitrooxy)ethyl]-3-pyridinecarboxamide and fumaric acid on methane production, rumen fermentation, and lactation performance in dairy goats

Table 6 Effect of dietary treatments on serum antioxidant capacity of the dairy goats

Item	Treatment¹				SEM	P-value
Item	CON	FUM	NPD	F × N	SEM	Week	FUM	NPD	F × N	F × week	N × week
T-AOC, U/mL	3.54^b	4.55^a	4.88^a	4.41^a	0.235	0.001	0.269	0.021	0.007	0.644	0.565
GSH-Px, U/mL	286	269	252	276	11.8	0.001	0.769	0.273	0.105	0.898	0.428
SOD, U/mL	65.8	67.5	68.5	71.4	1.59	0.001	0.167	0.053	0.691	0.227	0.570
MDA, μmol/L	1.05	0.79	0.85	0.81	0.069	0.005	0.031	0.248	0.181	0.479	0.874

¹Means by treatment was the pooled data from 6 goats at 3, 6, 9 and 12 weeks.
^a,bMeans with different superscripts within a row differ significantly (P < 0.05). The P-values for all the F × N × week. interactions were higher than 0.05, and they were not listed in the table
CON Control, FUM Fumaric acid, NPD N-[2-(nitrooxy)ethyl]-3-pyridinecarboxamide, FN FUM + NPD, MDA Malondialdehyde, GSH-Px Glutathione peroxidase, SOD Superoxide dismutase, T-AOC Total antioxidant capacity, SEM Standard error of means

ISSN: 2049-1891