Table 1. Ingredients and chemical composition of the base diet (%, as-fed basis)

Item	Diet1)
	CON	POR
Ingredient composition
Corn	60.29	58.63
Sunflower meal	17.86	18.42
Soybean meal	13.45	13.40
Rapeseed	4.65	4.80
Limestone powder	1.00	1.00
Calcium phosphate	0.50	0.50
Probiotic	0.00	1.00
Vitamin and mineral premix2)	1.50	1.50
NaCl	0.75	0.75
Total	100.00	100.00
Chemical composition
Crude protein	17.86	17.85
Crude fat	3.66	3.65
Crude fiber	10.60	10.54
Crude ash	7.80	7.79
Calcium	1.21	1.23
Total phosphorus	0.63	0.65
Lysine	0.35	0.33

CON, basic diet; POR, basic diet+1% probiotic.
Vitamin and mineral premix provided the following per kg of diet: 20,000 IU of vitamin A; 4,000 IU of vitamin D₃; 80 IU of vitamin E; 16 mg of vitamin K; 2.5 mg of vitamin B₁; 2.5 mg of vitamin B₂; 8 mg of vitamin B₆; 3.4 mg of vitamin B₁₂; 54 mg of Ca-pantothenate; 25 mg of Cu; 36 mg of Zn; 58 mg of Mn; 0.5 mg of I; 0.3 mg of Co; 0.4 mg of Se.