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feeding trial
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feeding trial
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农学
饲养试验
释
feeding trial
饲养试验
选择条件(品种、性别、年龄、体重和生产性能等)基本一致的动物,分为若干组(其中一组为对照组),在一段时间内分别饲喂已知营养物质含量不等的饲粮,通过测定其生产性能、组织及血液生化指标的变化,或观察缺乏症状、过量症状出现的程度,确定动物对营养物质的需要量或比较饲料优劣的试验。
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