Table 6. Effect of varying levels of barley supplementation on BUN and BGL in weaning pigs¹⁾

	Treatment2)				SEM3)	p-value4)
	B0	B10	B20	B30		Lin.	Quad.
BUN5) (mg/dL)
Initial	9.20	9.20	9.20	9.20	-	-	-
2 week	12.45	14.70	14.18	14.15	0.458	0.32	0.27
4 week	14.58	14.82	14.97	13.48	0.619	0.58	0.50
6 week	13.78	10.43	11.67	10.10	0.459	0.01	0.25
BGL6) (mg/dL)
Initial	93.29	93.29	93.29	93.29	-	-	-
2 week	98.83	94.83	98.67	96.17	1.382	0.72	0.76
4 week	100.33	97.17	96.00	102.50	1.911	0.73	0.18
6 week	104.33	103.33	97.17	104.17	2.612	0.80	0.51

Least squares means for five observations per treatment.
B0, 0% barley was supplemented in each phase; B10, barley 10%; B20, barley 20%; B30, barley 30%.
Standard error of means.
Lin. (linear), Quad. (quadratic).
Blood urea nitrogen.
Blood glucose level.