Table 4.

Effect of feeding inorganic plus organic selenium supplement on the biochemical profile and oxidative markers in the plasma of dairy cows at 0, 21, and 49 days of experiment.

Item	CON Ration 1			IOSe Ration 2			SEM 3	p-Value
	T0 4	T21	T49	T0	T21	T49		Ration (R)	Day (D)	R × D
Cholesterol (mg/dL)	223.6	264.5	265.4	230.2	259.7	282.8	12.71	0.805	<0.001	0.512
TG (mg/dL) 5	10.6	9.5	38.0	11.8	10.9	17.0	3.96	0.449	0.118	0.365
NEFA (mmol/L) 6	0.051	0.029	0.027	0.064	0.029	0.036	0.033	0.097	0.218	0.150
β-BHA (mmol/L) 7	0.400	0.331	0.261	0.384	0.448	0.375	0.015	0.036	0.004	0.008
Glucose (mg/dL)	64.6	66.0	66.2	64.6	66.4	63.6	0.77	0.650	0.829	0.386
Urea (mg/dL)	28.2	24.4	27.8	26.9	27.6	29.7	0.76	0.411	0.254	0.130
Total proteins (g/dL)	7.29	7.42	7.38	7.22	7.00	7.38	0.105	0.458	0.151	0.686
TOS (µmol/L) 8	24.6	17.8	25.3	15.2	18.6	15.1	1.187	0.018	0.932	0.921
TAC (mmol/L) 9	0.498	0.503	0.475	0.428	0.461	0.487	0.023	0.472	0.579	0.221

¹ Total mixed ration with inorganic Se. ² Total mixed ration with inorganic plus organic Se. ³ SEM = standard error of the mean (n = 10 per treatment). ⁴ T_n = number (n) of days after starting the experiment. ⁵ TG = Triglycerides. ⁶ NEFA = non-esterified fatty acid. ⁷ β-BHA = β-hydroxybutyrate. ⁸ TOS = Total oxidant status. ⁹ TAC = Total antioxidant capacity.