Use of lactulose as a prebiotic in laying hens: its effect on growth, egg production, egg quality, blood biochemistry, digestive enzymes, gene expression and intestinal morphology

Table 1 Nutrient levels of the basal diet

^aVitamin and mineral premix provided per kilogram of diet: vitamin A, 9000 IU; vitamin D3, 3000 IU; vitamin E, 15 mg; vitamin K3, 10 mg; vitamin B1 4 mg; vitamin B2, 8 mg; vitamin B6, 5mg; vitamin B12, 0.025mg; niacin, 50 mg; pantothenic acid, 20 mg; folic acid, 20 mg; biotin, 0.25 mg; choline, 175 mg, i canthaxanthin 250 mg, manganese, 100 mg; zinc, 150 mg; iron, 100 mg,; cupper, 20 mg; iodine, 1.5 mg; cobalt, 0.5 mg; selenium, 0.2 mg; molybdenum, 1mg; magnesium, 50 mg

ISSN: 1746-6148