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影响动物维持需要的因素有哪些?
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影响动物维持需要的因素有哪些?
时间:2021-12-26 01:22
关键词:
动物营养学
生物学
大学试题
理学
答案解析
<p> 1)动物:包括种类、品种、年龄、性别、健康状态、活动能力等;<br> 2)饲养和饲料:非反刍动物日粮种类、组成不同对维持需要直接影响甚大,其中热增耗是一个重要因素;反刍动物中,由于瘤胃消化影响,不同饲料或日粮用于维持代谢率不同。动物维持需要还受饲喂时间、饲喂水平、饲料组成等的影响;<br> 3)环境因素:温度是环境因素中影响维持需要最大的。</p>
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影响动物维持需要的因素有哪些?
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