Table 5. Effect of varying levels of barley supplementation on nutrient digestibility in weaning pigs¹⁾.

	Treatment2)				SEM3)	p-value4)
	B0	B10	B20	B30		Lin.	Quad.
Nutrient digestibility (%)
Dry matter	94.02	93.77	93.92	93.87	0.409	0.88	0.84
Crude protein	92.61	92.10	92.33	92.28	0.561	0.80	0.73
Crude ash	74.98	74.22	75.35	76.30	1.898	0.61	0.70
Crude fat	76.66	84.22	87.77	88.96	2.949	0.01	0.11
N-Retention (g/day)
N-Intake	15.31	14.72	14.16	13.91	-	-	-
N-Feces	1.13	1.16	1.09	1.07	0.042	0.59	0.83
N-Urine	5.01	5.38	5.12	4.88	0.103	0.46	0.13
N-Retention	9.17	8.18	7.95	7.95	0.124	0.17	0.10
N-Digestibility (%)	59.90	55.56	56.16	57.19	1.637	0.30	0.11

¹⁾A total of 24 crossbred pigs were fed from average initial body weight 11.74 ± 0.72 kg / 42 ± 5 days of age.

²⁾B0, 0% barley was supplemented in each phase; B10, barley 10%; B20, barley 20%; B30, barley 30%.

³⁾Standard error of means.

⁴⁾Lin. (linear), Quad. (quadratic).