Availability of a Zinc Amino Acid Chelate for Growing Pigs

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著者

    • SUSAKI Hisashi
    • Division of Applied Biosciences, Graduate School of Agriculture, Kyoto University
    • MATSUI Tohru
    • Division of Applied Biosciences, Graduate School of Agriculture, Kyoto University
    • ASHIDA Kin-Ya
    • Division of Applied Biosciences, Graduate School of Agriculture, Kyoto University
    • YANO Hideo
    • Division of Applied Biosciences, Graduate School of Agriculture, Kyoto University

抄録

The objective of the present research was to compare the availability of zinc in the form of organic zinc, zinc amino acid chelate, with in the form of sulfate in growing pigs. Twenty-five pigs of 25 d-old were divided into 5 groups. Five pigs of each group were fed a basal diet which was a commercial ration without supplying zinc or diets added 25, 50 or 100mg/kg dry matter zinc in the form of amino acid chelate, or 100mg/kg dry matter zinc in the form of sulfate for 30d. The basal diet contained 47mg/kg of zinc and did not satisfy its requirement for the pigs. The diets contained twice more calcium and 15 times more copper than the requirements for the pigs. Femoral and serum zinc concentrations were increased with supplying zinc amino acid chelate and were significantly higher in pigs given the organic zinc than in those given the inorganic zinc at the level of 100mg/kg diet. Zinc solubility in ileal digesta was gradually increased with supplying the organic zinc. Additionally, zinc solubility tended to be higher in the pigs given organic zinc than in those given the same amount of inorganic zinc. These results suggested that the availability of organic zinc was higher than inorganic zinc in the pigs fed a high calcium and copper diet, which, at least partly, resulted from the higher solubility of organic zinc in the ileum.

収録刊行物

  • 日本畜産學會報 = The Japanese journal of zootechnical science  

    日本畜産學會報 = The Japanese journal of zootechnical science 70(3), 124-128, 1999-05-25 

    Japanese Society of Animal Science

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各種コード

  • NII論文ID(NAID)
    10021724061
  • NII書誌ID(NCID)
    AN00195188
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    1346907X
  • データ提供元
    CJP書誌  J-STAGE 
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