Table-4.

Effect of yeast cell wall supplementation on blood electrolyte indices of dairy cows in different LPs.

Variables	Sampling time	Treatments (Mean±SE)				p-value
		Control		YCW
		Early lactation	Mid lactation	Early lactation	Mid lactation	TM†	LP††	TM*LP
Na (mEq/L)	Before	138.40±0.67	138.44±0.50	138.00±0.75	138.50±0.53	0.784	0.665	0.717
	After	138.70±0.69	139.28±0.52	138.62±0.77	138.69±0.55	0.608	0.622	0.691
K (mEq/L)	Before	4.60±0.12	4.90±0.09	4.60±0.13	4.65±0.09	0.266	0.125	0.266
	After	4.78±0.13	4.70±0.10	4.71±0.14	4.73±0.10	0.879	0.797	0.678
Cl (mEq/L)	Before	96.40±0.86	98.00±0.64	97.00±0.96	97.38±0.68	0.988	0.227	0.449
	After	97.40±0.68	98.39±0.51	97.25±0.76	98.44±0.54	0.936	0.097	0.876
Ca (mg/dL)	Before	9.64±0.15	9.96±0.20	9.53±0.16	10.25±0.22	0.646	0.009	0.276
	After	9.79±0.15	9.69±0.11	9.71±0.17	9.66±0.12	0.698	0.580	0.874
P (mg/dL)	Before	5.38±0.27	5.12±0.20	5.38±0.30	5.36±0.21	0.644	0.596	0.630
	After	6.01±0.19	5.74±0.14	5.60±0.21	5.47±0.15	0.066	0.274	0.708
Mg (mg/dL)	Before	2.16±0.10	2.27±0.08	2.23±0.11	2.21±0.08	0.955	0.624	0.535
	After	2.36±0.06	2.34±0.05	2.35±0.07	2.47±0.05	0.325	0.374	0.250

Na=Sodium, K=Potassium, Cl=Chloride, Ca=Calcium, P=Phosphorus, Mg=Magnesium, YCW=Yeast cell wall, SE=Standard error,

^†p value for treatment (TM) groups (control vs. YCW),

^††p value for lactation period (LP) (early lactation vs. mid lactation)