特种经济动物营养 Special Economic Animal Nutrition

饲粮脂肪水平对繁殖期蓝狐繁殖性能、营养物质消化率、氮代谢及产后体重的影响

  • 张铁涛 ,
  • 王卓 ,
  • 郭强 ,
  • 刘志 ,
  • 高秀华 ,
  • 杨福合 ,
  • 李光玉 ,
  • 杨雅涵
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  • 1. 中国农业科学院特产研究所, 吉林省特种经济动物分子生物学省部共建重点实验室, 长春 130112;
    2. 中国农业科学院饲料研究所, 北京 100081

收稿日期: 2014-01-09

  网络出版日期: 2014-07-01

基金资助

公益性行业(农业)科研专项(200903014)

Effects of Dietary Fat Level on Reproduction Performance, Nutrient Digestibility, Nitrogen Metabolism and Postpartum Weight of Blue Fox at the Period of Reproduction

  • ZHANG Tietao ,
  • WANG Zhuo ,
  • GUO Qiang ,
  • LIU Zhi ,
  • GAO Xiuhua ,
  • YANG Fuhe ,
  • LI Guangyu ,
  • YANG Yahan
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  • 1. State Key Laboratory of Special Economic Animal Molecular Biology, Institute of Economic Animal and Plant Science, Chinese Academy of Agricultural Sciences, Changchun 130112, China;
    2. Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China

Received date: 2014-01-09

  Online published: 2014-07-01

摘要

本试验旨在研究饲粮脂肪水平对繁殖期蓝狐繁殖性能、营养物质消化率、氮代谢及产后体重的影响。采用单因素试验设计,选择受孕的健康母狐75只,随机分成5组,每组15只蓝狐,分别饲喂脂肪水平为15%(A组)、17%(B组)、19%(C组)、21%(D组)和23%(E组)的饲粮。预试期7 d,试验期120 d。结果表明:1)各组母狐的平均窝产仔数、断奶成活率和仔狐初生重差异不显著(P>0.05);仔狐在出生后21、42 d时,高脂肪水平饲粮能够提高仔狐的体重。2)E组母狐干物质采食量显著高于B、C组(P0.05)。3)E组母狐的食入氮显著高于B组(P0.05)。4)产后21 d,A组母狐的体重极显著低于E组(P0.05)。综合各项指标得出,饲粮15%~19%的脂肪水平能够获得较好的繁殖性能,母狐能够更好地利用饲粮中各营养物质。

本文引用格式

张铁涛 , 王卓 , 郭强 , 刘志 , 高秀华 , 杨福合 , 李光玉 , 杨雅涵 . 饲粮脂肪水平对繁殖期蓝狐繁殖性能、营养物质消化率、氮代谢及产后体重的影响[J]. 动物营养学报, 2014 , 26(7) : 1848 -1855 . DOI: 10.3969/j.issn.1006-267x.2014.07.017

Abstract

This experiment was conducted to study the effects of dietary fat level on reproduction performance, nutrient digestibility, nitrogen metabolism and postpartum weight of blue fox at the period of reproduction. The experiment was taken a single factor method, and seventy-five gestational healthy female foxes were randomly assigned into 5 groups with 15 foxes per group. The foxes were fed diets contained 15% (group A), 17%(group B), 19%(group C), 21% (group D)and 23% (group E) crude fat, respectively. The pre-test period lasted for 7 days and the trial period lasted for 120 days. The results showed as follow: 1) there were no significant differences in the average litter number, weaning survival rate and little weight at birth of female foxes among all groups (P>0.05); at 21 and 42 days, the higher dietary fat level could increased the body weight of little foxes. 2) The dry matter intake of female foxes in group E was significantly higher than that in groups B and C (P0.05). 3) The nitrogen intake of female foxes in group E was significantly higher than that in group B (P0.05). 4) The body weight of female foxes in group A was significantly lower than that in group E at postpartum 21 days (P0.05). In conclusion, the foxes fed the dietary fat level from 17% to 19% have the good reproduction performance, and the fox can effectively utilize the dietary nutrition.

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