Effect of dietary lipid and carbohydrate on growth, feed conversion and body composition in young yellowtail.

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  • SHIMENO Sadao
    Laboratory of Fish Nutrition, Department of Cultural Fisheries, Faculty of Agriculture, Kochi University
  • HOSOKAWA Hidetsuyo
    Laboratory of Fish Nutrition, Department of Cultural Fisheries, Faculty of Agriculture, Kochi University
  • TAKEDA Masahiko
    Laboratory of Fish Nutrition, Department of Cultural Fisheries, Faculty of Agriculture, Kochi University
  • KAJIYAMA Hidetoshi
    Technical Department, Marubeni Shiryo Co. Ltd.
  • KAISHO Takeshi
    Technical Department, Marubeni Shiryo Co. Ltd.

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Other Title
  • ハマチの成長,飼料効率および体成分に及ぼす飼料の脂質および炭水化物の影響
  • ハマチの成長,飼料効率および体成分に及ぼす飼料の脂質および炭水化物の影響〔英文〕
  • ハマチ ノ セイチョウ,シリョウ コウリツ オヨビ タイ セイブン ニ オヨボ

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Abstract

Young yellowtail were fed for 30 days on fish meal diets high in protein, lipid and carbohydrate, and a control diet containing both lipid and carbohydrate. The growth, feed conversion and body composition were determined. The growth and feed efficiency were high in the control group, medium in the high protein group and the high carbohydrate group, and low in the high lipid group. The control group showed the highest retention of protein and energy. Also in the contrl group, a protein required for 100g weight gain could be spared by about 28% by dietary addition of both lipid and carbohydrate. There were no marked differences in the body composition between groups, though slight differences were found in the content of fat and glycogen in the liver. These results indicate the importance of addition of a proper amount of carbohydrate as well as lipid to the diets of carnivorous fish such as yellowtail.

Journal

  • NIPPON SUISAN GAKKAISHI

    NIPPON SUISAN GAKKAISHI 51 (11), 1893-1898, 1985

    The Japanese Society of Fisheries Science

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