Formulation and proximate composition (as fed basis) of the experimental diets.

aNorseco-LT, Norsildmel, Bergen, Norway.bExtracted soybean meal, Denofa As, Fredrikstad, Norway.cNorSalmOil, Norsildmel, Bergen, Norway.dNormin AS, Hønefoss, Norway. Diets supplied with following vitamins per kg diet: vitamin D3, 3000 I.E; vitamin E (Rovimix, 50%), 160 mg; thiamine, 20 mg; riboflavin, 30 mg; pyridoxine-HCl, 25 mg; vitamin C (Riboflavin Stay C 35%), 200 mg; calcium pantothenate, 60 mg; biotin, 1 mg; folic acid, 10 mg; niacin, 200 mg; vitamin B12, 0.05 mg; menadione bisulphate, 20 mg.eNormin AS, Hønefoss, Norway. Diets supplied with following minerals per kg diet: magnesium, 750 mg; potassium, 800 mg; zinc, 120 mg; iron, 60 mg; manganese, 30 mg; copper, 6 mg and selenium; 0.3 mg.fGross energy was calculated using the energy concentrations of 39.5 for lipid, 23.6 for protein, and 17.2 kJ/g for carbohydrates (carbohydrate levels in diets were calculated as: 100 – [water + crude protein + crude lipid + ash]).a. 挪威卑尔根Norsildmel公司的Norseco-LT产品。 b. 挪威弗雷德里克斯塔德Denofa As公司生产的提取大豆粕。 c. 挪威卑尔根Norsildmel公司的NorSalmOil产品。 d. 挪威霍讷福斯Normin AS公司。每千克日粮添加如下维生素：维生素D3 3000国际单位；维生素E（Rovimix，50%含量）160 mg；硫胺素20 mg；核黄素30 mg；盐酸吡哆醇25 mg；维生素C（Riboflavin Stay C 35%）200 mg；泛酸钙60 mg；生物素1 mg；叶酸10 mg；烟酸200 mg；维生素B12 0.05 mg；亚硫酸甲萘醌20 mg。 e. 挪威霍讷福斯Normin AS公司。每千克日粮添加如下矿物质：镁750 mg；钾800 mg；锌120 mg；铁60 mg；锰30 mg；铜6 mg以及硒0.3 mg。 f. 总能采用以下能量浓度计算：脂质39.5 kJ/g、蛋白质23.6 kJ/g、碳水化合物17.2 kJ/g（日粮中碳水化合物水平计算公式为：100 – [水分+粗蛋白质+粗脂肪+灰分]）。