Effects of Soakig Barley in Water Containing Phytase on Growth and Plasma Phosphorus Concentration in Chicks

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The present study was conducted to evaluate the efficacy of barley soaked in water added with phytase to improve animal growth and plasma concentrations of phosphorus and calcium in chicks. Thirty-two single-comb White Leghorn male chicks were distributed into 4 treatment groups of 8 birds each and were given experimental diets which contained either untreated barley, water-soaked barley or barley soaked in water that contained 100U/L or 250U/L phytase. The diets otherwise contained the levels of components recommended by the requirements. The diets were given to chicks from 7 to 17 days of age. No significant differences in body weight gain or femur weight were observed between any of the treatments. However, femur lengths of chicks given water-soaked barley without phytase were significantly higher than those of other treatment groups. Plasma concentrations of inorganic calcium and phosphorus were significantly increased by feeding with diets containing barley soaked in water regardless the presence or absence of phytase. This suggests that soaking in water alone is sufficient for the hydrolysis of phytate by phytase present in barley and that addition of phytase to water provides no obvious benefit when the barley is included in a nutrient-sufficient diet.

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  • 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 71(3), 250-254, 2000-05-25 

    Japanese Society of Animal Science

参考文献:  16件

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各種コード

  • NII論文ID(NAID)
    10021721445
  • 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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