Table 1.

The content of Cu, Zn, Fe, Mn and anti-nutritional factors in feedstuffs

Feedstuffs	Batch	Cu, mg/kg	Zn, mg/kg	Fe, mg/kg	Mn, mg/kg	Phytic acid, g/100 g	Xylan, g/100 g	β-glucan, g/100 g
Corn	1	3.06	15.23	67.98	20.32	1.35	6.14	0.13
	2	3.11	14.98	65.65	18.98	1.15	6.20	0.18
	3	3.02	15.65	51.65	19.12	1.45	6.23	0.21
	4	3.09	15.74	69.98	16.98	1.39	6.15	0.10
	5	3.04	16.57	72.92	20.16	1.27	6.27	0.14
	6	3.55	15.22	18.56	19.24	1.37	6.16	0.12
Wheat	1	7.06	37.98	87.65	52.65	1.52	7.89	0.97
	2	7.12	40.23	90.23	49.65	1.37	8.47	0.73
	3	7.03	39.98	88.98	53.65	1.48	7.29	0.68
	4	7.05	38.32	89.98	55.65	1.46	8.72	0.81
	5	7.20	30.41	86.16	48.59	1.33	7.84	0.85
	6	7.31	41.54	95.64	60.43	1.41	7.93	0.82
Barley	1	6.12	32.32	62.12	36.65	1.38	5.47	4.34
	2	5.98	33.32	61.98	34.32	1.74	5.69	4.19
	3	6.06	29.65	59.32	32.65	1.53	6.37	4.24
	4	9.11	31.02	60.98	35.98	1.24	5.83	4.56
	5	5.56	17.85	59.01	39.69	1.62	5.15	4.16
	6	7.38	34.32	62.27	30.00	1.47	5.73	4.35
Soybean meal	1	16.65	64.65	187.65	77.65	2.57	6.20	7.12
	2	17.98	63.98	194.32	80.32	2.48	5.76	6.48
	3	18.65	61.98	188.98	74.98	2.03	5.99	6.82
	4	16.98	64.65	179.98	76.98	1.96	6.14	6.73
	5	22.18	69.55	171.73	85.30	2.16	6.03	7.52
	6	15.49	43.69	122.26	53.22	2.04	5.89	6.21
Wheat bran	1	12.98	75.32	231.32	154.32	3.73	19.84	13.62
	2	13.12	73.65	209.98	159.32	3.10	19.07	14.76
	3	13.06	73.49	213.32	152.32	3.27	20.73	13.79
	4	13.03	74.19	221.46	149.98	4.42	21.56	13.97
	5	13.21	75.76	209.76	160.10	3.85	18.69	14.25
	6	13.64	74.59	242.48	144.18	3.77	20.48	14.00
Wheat middlings	1	13.12	84.98	105.32	106.65	2.41	18.05	20.01
	2	12.98	91.32	99.98	110.32	2.46	18.17	20.37
	3	12.89	82.98	112.32	102.65	2.61	17.84	19.64
	4	13.09	85.65	106.65	111.45	2.32	19.47	21.58
	5	13.77	90.92	115.41	171.93	2.55	17.03	18.23
	6	10.87	68.51	100.49	102.35	2.39	17.92	19.85