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氨基酸过量供给对猪禽性能的影响 被引量:1

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摘要 饲料中通常都加有晶体氨基酸,添加晶体氨基酸可改进猪禽的生长发育和饲料的转化率。然而,无论是人为还是由于定量加料机械故障而添加过量氨基酸,都会造成饲料成本的上升,危害猪禽的性能,还会增加氮的排泄,导致对地下水和土壤的污染。 一、氨基酸过量供给的原因 1.需要量的超加。测定氨基酸最低需要量的研究,多数都是在精心控制的实验条件下用少量动物进行的,尽可能减少应激因子。在商业条件下,猪禽接触到许多认为具有应激性的因子。
作者 李彦才
出处 《饲料与畜牧(新饲料)》 1996年第5期11-12,共2页
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  • 3GALLO R L, HOOPER L V. Epithelial antimicrobial defence of the skin and intestine [ J ]. Nature Reviews Immunology, 2012, 12(7): 503-516.
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