不同低蛋白日粮饲喂KM小鼠效果观察

实验动物科学

不同低蛋白日粮饲喂KM小鼠效果观察

罗小泉;李中炼;陈来;楼兰英;

江西中医学院实验动物中心,江西中医学院实验动物中心,江西省实验大小鼠生产基地,江西省实验大小鼠生产基地南昌330006,南昌330006,南昌330006,江西中医学院动物实验中心,南昌330006,南昌330006,江西中医学院动物实验中心,南昌330006

收稿日期:2007-10-28 修回日期:2007-10-28 出版日期:2007-10-28 发布日期:2007-10-28

Effects of Dietary with Different Protein Contents on Growth and Reproduction of KM Mice

LUO Xiao-quan~1,LI Zhong-lian~1,CHEN Lai~

(2,3),LOU Lan-ying~(2,3)(1.Laboratory Animal Center of Jiangxi College of Traditional Chinese Medicine,Nanchang 330006)(2.The Jiangxi Breeding Base of Rats & Mice,Nanchang 330006)(3.Experimental Animal Center of Jiangxi College of Traditional Chinese Medicine,Nanchang 330006

Received:2007-10-28 Revised:2007-10-28 Online:2007-10-28 Published:2007-10-28

摘要/Abstract

摘要： 目的探讨不同低蛋白日粮对KM小鼠生产繁殖的影响。方法将120只性成熟的清洁级KM小鼠,雌雄各半,随机分成A、B、C三组,各组均按1∶1比例交配,分别喂饲含粗蛋白20%、粗蛋白18%加一定量的赖氨酸、甲硫氨酸和粗蛋白16%的三个水平日粮,观察三组动物的受孕率、平均窝产仔数、平均新生个体体重、平均窝离乳仔数及离乳个体体重。结果A组与B组均无显著性差异,而C组与A组有显著性差异。结论日粮粗蛋白降低2个百分点,同时补充适量的必需氨基酸,对KM小鼠生长繁殖没有不利影响,但进一步降低时则有影响。

关键词: 低蛋白日粮, 必需氨基酸, KM小鼠, 生产性能

Abstract: Objective To observe effects of dietary with different protein contents on growth and reproduction of KM mice.Methods 120 KM mice(weighting 25 g,male and female being half and half) were randomly divided into the control group,the experimental groupⅠand experimental groupⅡ;and the mice in the control group were fed with dietary containing 20% protein,the mice in the experimental groupⅠwith dietary containing 18% protein and adding with definite number of lysine and methionine,and the mice in the experimental groupⅡwith dietary containing 16% non-animal protein and adding with a large number of lysine and methionine.The growth and reproduction of KM mice were observed.Results As compared with the control group,feeding with dietary containing 18% protein and adding with definite number of lysine and methionine did not impair significantly growth and reproduction of KM mice,and feeding with dietary containing 16% non-animal protein and adding with a large number of lysine and methionine could significantly impair growth and reproduction of KM mice.Conclusion The feeding with dietary that protein content was decreased by 4% and was absent from animal protein(fish powder) could significantly impair growth and reproduction of KM mice.

Key words: Low protein dietary, Essential amino acid, KM Mice

罗小泉;李中炼;陈来;楼兰英;. 不同低蛋白日粮饲喂KM小鼠效果观察[J]. 实验动物科学.

LUO Xiao-quan~1,LI Zhong-lian~1,CHEN Lai~. Effects of Dietary with Different Protein Contents on Growth and Reproduction of KM Mice[J]. laboratory animal science.

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