Optimal dietary copper requirements and relative bioavailability for weanling pigs fed either copper proteinate or tribasic copper chloride

Table 1 Ingredient and calculated nutrient composition of basal diet, as-fed basis^a

^a Provided per kilogram of diet: vitamin A, 14,000 IU; vitamin D 2,800 IU; vitamin E, 100 IU; vitamin K, 4 mg; vitamin B₁, 4 mg; vitamin B₂, 10 mg, vitamin B₆, 6 mg, vitamin B₁₂, 60 μg, biotin, 300 μg, folic acid, 15 mg, pantothenic acid, 40 mg; 0.6 mg I as Ca (IO₃)₂; 150 mg Fe as FeSO₄; 40 mg Mn as MnSO₄; 800 mg Zn as ZnO; 0.4 mg Se as Na₂SeO₃; and 1,200 FTU/kg phytase. Different sources of copper replaced the cornstarch in premix to create different dietary treatments containing 0, 5, 10, 20, 40, 80, 160 and 200 mg/kg Cu

ISSN: 2049-1891