Table 8. Effect of varying levels of barley supplementation on economic analysis in weaning pigs¹⁾.

	Treatment2)				SEM3)	p-value4)
	B0	B10	B20	B30		Lin.	Quad.
Phase I (0 to 2 weeks)
Cost of feed/kg ($)	0.99	0.86	0.74	0.61	-	-	-
Weight gain per head (kg)	3.42	2.97	2.47	2.47	0.124	0.01	0.30
Feed intake per head (kg)	4.31	4.19	3.62	3.97	1.153	0.09	0.25
Feed cost / 1 kg ($)	1.26	1.23	1.09	1.00	0.029	0.01	0.59
Phase II (2 to 4 weeks)
Cost of feed/kg ($)	0.68	0.65	0.60	0.56	-	-	-
Weight gain per head (kg)	5.38	4.87	5.24	5.62	0.201	0.53	0.27
Feed intake per head (kg)	10.19	9.64	9.85	9.54	2.255	0.35	0.76
Feed cost / 1 kg ($)	1.31	1.28	1.13	0.95	0.042	0.01	0.17
Phase III (4 to 6 weeks)
Cost of feed/kg ($)	0.53	0.53	0.54	0.54	-	-	-
Weight gain per head (kg)	8.13	8.20	8.18	8.98	0.286	0.25	0.46
Feed intake per head (kg)	15.54	14.77	14.50	15.60	5.062	0.95	0.06
Feed cost / 1 kg ($)	0.98	0.94	0.94	0.93	0.026	0.29	0.56
Total feed cost / 1 kg ($)	1.18	1.15	1.05	0.96	0.022	0.01	0.32

¹⁾A total of 112 crossbred pigs were fed from average initial body weight 7.04 ± 1.39 kg.

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).