8 Hy-Line Brown cocks and 8 Peking drakes with the same weight and age(18 weeks) were slaughtered after fasting 8 h to compare the pH in digestive tract and digestive enzyme between cock and drake.
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释义
为阐明鸡、鸭对营养物质利用率差异的原因,比较了8只公鸡和8只公鸭消化道内容物酸碱性及体内主要蛋白质消化酶、碳水化合物水解酶和脂肪水解酶活性的差异。
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