Ingredients and composition of the experimental diets with different lipid/carbohydrate levels.

LT, low temperature; CPSP G, fish soluble protein concentrate (hydrolysed fishmeal); Lutavit C35, vitamin C; Lutavit E50, vitamin E; DCP, dibasic calcium phosphate. 1Vitamins (per kg diet): vitamin A, 10000 IU; vitamin D3, 2125 IU; vitamin K3, 12.5 mg; vitamin B12, 0·025 mg; vitamin B1, 10 mg; vitamin B2, 25 mg; vitamin B6, 12.5 mg; folic acid, 12.5 mg; biotin, 0.86 mg; inositol, 300 mg; nicotinic acid, 85 mg; pantothenic acid, 37.50 mg. 2Minerals (per kg diet): Mn (manganese oxide) 25 mg; I (potassium iodide) 1.88 mg; Cu (copper sulfate) 6.25 mg; Co (cobalt sulfate) 0.13 mg; Zn (zinc oxide) 37.5 mg; Se (sodium selenite) 0.31 mg; Fe (iron sulfate) 75 mg.