TABLE 1.

Ingredients and nutritional composition of the diets.

Ingredients (g/kg FM)	CTR/PRO	PRE/SYN
Maize	206.7	196.3
Wheat	179.4	170.4
Barley 2 row	169.4	160.9
Extruded soybean	148.6	141.2
Sweet whey-powder (cattle)	99.6	94.7
Fish meal	59.8	56.8
Soybean meal 44	79.7	75.7
Whey-powder 50% fat	24.9	23.7
Mono-calcium phosphate	6.8	6.4
Calcium carbonate (CaCO3)	3.9	3.7
L-Lysine HCL	5.3	5.1
Vit-Min Premix*	4	3.8
Sodium chloride (marine salt)	2.5	2.4
DL-Methionine 99	3.9	3.7
L-Threonine	2.8	2.7
L-Tryptophan	0.8	0.8
L-Valine	2	1.9
Prebiotic	0	50
Analyzed composition (g/kg FM)	CTR/PRO	PRE/SYN
Dry matter	916.9	917.4
Ashes	48.2	47.7
Crude fat	61.1	58.8
Crude protein	203.4	193.1
Neutral detergent fiber	80.5	82
Acid detergent fiber	25.7	27.1

*Provided per kilogram of complete diet: 10,200 IU vitamin A, 2,100 IU vitamin D3, 39.9 mg vitamin E, 3 mg vitamin K3, 2 mg vitamin B1, 2.3 mg vitamin B2, 3 mg vitamin B6, 0.025 mg vitamin B12, 20 mg calcium pantothenate, 60 mg nicotinic acid, 0.1 mg biotin, 0.5 mg folic acid, 150 mg Fe, 156 mg Cu, 0.5 mg Co, 120 mg Zn, 49.8 mg Mn, 2 mg I, 0.3 mg Se.