低タンパク質・高エネルギー飼料によるコイ排泄窒素の軽減

DOI 日本農学文献記事索引 Web Site 被引用文献8件

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タイトル別名
  • Development of less-polluting diets for practical fish culture. I. Development of low protein-high energy diets for practical carp culture with special reference to reduction of total nitrogen excretion.
  • 低タンパク質・高エネルギー飼料によるコイ排泄窒素の軽減〔英文〕
  • テイ タンパクシツ コウエネルギー シリョウ ニ ヨル コイ ハイセツ チッソ

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Two feeding experiments were conducted for both practical and experimental scales to develop low-protein high-energy diets (less-polluting diets) for practical carp culture in order to reduce the total nitrogen excretion from the fish.<br> Results of both the experiments have demonstrated that diets containing 32-37% crude protein (CP) with digestible energy (DE) above 340kcal/100g diet enriched with carbohydrate or lipid were found to be better than a commercial cazp diet containing CP above 40% in growth and feed efficiency. This fact indicated that CP content in practical carp feeds can be reduced from 40% to around 30% without reduction of growth rate and feed efficiency, if a high quality protein is used as protein source and DE content is increased by carbohydrate or lipid to about 340kcal/100g diet.<br> The total nitrogen excretion from carp was also found to be reduced by 30-48% of the present value by feeding these low protein-high energy diets.

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  • 日本水産学会誌

    日本水産学会誌 53 (8), 1413-1423, 1987

    公益社団法人 日本水産学会

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