动物营养学报 >

2015 , Vol. 27 >Issue 9: 2970 - 2976

DOI: https://doi.org/10.3969/j.issn.1006-267x.2015.09.038

研究简报 Short Communications

饲粮蛋氨酸水平对配种前期雌性蓝狐营养物质消化率、氮代谢及血清生化指标的影响

  • 郭俊刚 ,
  • 张铁涛 ,
  • 吴学壮 ,
  • 刘志 ,
  • 崔虎 ,
  • 高秀华 ,
  • 杨福合 ,
  • 邢秀梅
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  • 1. 中国农业科学院饲料研究所, 北京 100081;
    2. 中国农业科学院特产研究所, 特种经济动物分子 生物学省部重点共建实验室, 长春 130112

收稿日期: 2015-03-10

  网络出版日期: 2015-09-12

基金资助

国家自然资源平台专项"特种经济动物种质资源共享平台"(2005DKA21102)

收起

Effects of Dietary Methionine Level on Nutrient Digestibility, Nitrogen Metabolism and Serum Biochemical Parameters of Female Blue Foxes in Prepare Breeding Period

  • GUO Jungang ,
  • ZHANG Tietao ,
  • WU Xuezhuang ,
  • LIU Zhi ,
  • CUI Hu ,
  • GAO Xiuhua ,
  • YANG Fuhe ,
  • XING Xiumei
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  • 1. Institute of Feed Research, Chinese Academy of Agriculture Sciences, Beijing 100081, China;
    2. Stake Key Laboratory of Special Animal Molecular Biology, Institute of Economic Animal and Plant Science, Chinese Academy of Agriculture Sciences, Changchun 130112, China

Received date: 2015-03-10

  Online published: 2015-09-12

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摘要

本试验旨在研究饲粮蛋氨酸水平对配种前期雌性蓝狐营养物质消化率、氮代谢及血清生化指标的影响。选择健康初产雌性北极狐150只,随机分为5组,每组30个重复,每个重复1只蓝狐。Ⅰ~Ⅴ组分别饲喂在基础饲粮中添加0、0.26%、0.52%、0.78%和1.04%蛋氨酸的试验饲粮。预试期7 d,正试期60 d。结果表明:1)各组间干物质消化率和粗脂肪消化率差异不显著(P>0.05),Ⅲ组粗蛋白质消化率显著高于Ⅰ组和Ⅱ组(P0.05),Ⅴ组粪氮含量显著低于Ⅱ组(P0.05),Ⅲ组血清总蛋白含量显著高于Ⅰ组(P<0.05)。由此可见,在蛋白质水平为29.31%的饲粮中添加0.52%蛋氨酸,即饲粮中蛋氨酸水平为1.03%时,配种前期雌性蓝狐的营养物质消化率和血清生化指标较为理想,并且满足配种前期雌性蓝狐的蛋氨酸需要量。

关键词： 蛋氨酸; 雌性蓝狐; 配种前期; 氨基酸表观消化率; 血清生化指标

本文引用格式

郭俊刚 , 张铁涛 , 吴学壮 , 刘志 , 崔虎 , 高秀华 , 杨福合 , 邢秀梅 . 饲粮蛋氨酸水平对配种前期雌性蓝狐营养物质消化率、氮代谢及血清生化指标的影响[J]. 动物营养学报, 2015 , 27(9) : 2970 -2976 . DOI: 10.3969/j.issn.1006-267x.2015.09.038

Abstract

This experiment was conducted to study the effects of dietary methionine level on nutrient digestibility, nitrogen metabolism and serum biochemical parameters of female blue foxes in prepare breeding period. One hundred and fifty healthy female blue foxes were randomly assigned into 5 groups with 30 replicates per group and 1 fox per replicate. The blue foxes in groups Ⅰ to Ⅴ were fed basal diet supplemented with 0, 0.26%, 0.52%, 0.78% and 1.04% methionine, respectively. The pre-test lasted for 7 days and the trial lasted for 60 days. The results showed as follows: 1) the digestibility of dry matter and crude fat were found no significant difference among all groups (P>0.05). The digestibility of crude protein in group Ⅲ was significantly higher than that in groups Ⅰ and Ⅱ (P0.05). The fecal nitrogen content in group Ⅴ was significantly lower than that in group Ⅱ (P0.05). In conclusion, when 0.52% methionine is supplemented in the protein diet with 29.31% protein level, that is, when the dietary methionine level is 1.03%, the female blue foxes have the optimum nutrient digestibility and serum biochemical parameters and meet the demand of methionine.

Key words： methionine; female blue fox; prepare breeding period; amino acid apparent digestibility; serum biochemical parameters

参考文献

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