动物营养学报 >

2015 , Vol. 27 >Issue 9: 2963 - 2969

DOI: https://doi.org/10.3969/j.issn.1006-267x.2015.09.037

研究简报 Short Communications

饲粮L-精氨酸添加水平对冬毛期水貂生长性能、营养物质消化率及氮代谢的影响

  • 万春孟 ,
  • 张铁涛 ,
  • 吴学壮 ,
  • 刘志 ,
  • 崔虎 ,
  • 郭俊刚 ,
  • 王中成 ,
  • 高秀华 ,
  • 邢秀梅 ,
  • 岳志刚
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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, 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

收稿日期: 2015-04-02

  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 L-Arginine Supplemental Level on Growth Performance, Nutrient Digestibility and Nitrogen Metabolism of Mink during Winter Fur-Growing Season

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

Received date: 2015-04-02

  Online published: 2015-09-12

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摘要

本试验旨在研究饲粮L-精氨酸添加水平对冬毛期水貂生长性能、营养物质消化率及氮代谢的影响。本试验选取(150±3)日龄、体重相近的雌性健康水貂63只,随机分成7个组,每组9个重复,每个重复1只水貂。7组水貂分别饲喂L-精氨酸添加水平为0(Ⅰ组)、0.2%(Ⅱ组)、0.4%(Ⅲ组)、0.6%(Ⅳ组)、0.8%(Ⅴ组)、1.0%(Ⅵ组)和1.2%(Ⅶ组)的试验饲粮。预试期7 d,正试期60 d。结果表明:1)各组水貂末重差异不显著(P>0.05)。Ⅴ组水貂的平均日增重有高于其他各组的趋势,但差异不显著(P>0.05)。Ⅴ组水貂的料重比显著低于Ⅰ、Ⅱ和Ⅲ组(P0.05)。3)Ⅳ组水貂的尿氮显著低于Ⅰ组(P<0.05)。Ⅳ组水貂的蛋白质生物学价值极显著高于Ⅵ、Ⅶ组(P<0.01),显著高于Ⅰ、Ⅱ组(P<0.05)。由此得出,饲粮中L-精氨酸添加水平为0.6%~0.8%,即饲粮中精氨酸总水平为2.30%~2.50%时,冬毛期水貂可以获得较好的生长性能和蛋白质生物学价值。

关键词： 冬毛期; 水貂; 精氨酸; 生长性能; 营养物质消化率; 氮代谢

本文引用格式

万春孟 , 张铁涛 , 吴学壮 , 刘志 , 崔虎 , 郭俊刚 , 王中成 , 高秀华 , 邢秀梅 , 岳志刚 . 饲粮L-精氨酸添加水平对冬毛期水貂生长性能、营养物质消化率及氮代谢的影响[J]. 动物营养学报, 2015 , 27(9) : 2963 -2969 . DOI: 10.3969/j.issn.1006-267x.2015.09.037

Abstract

This study was conducted to study the effects of dietary L-arginine (L-Arg) supplemental level on growth performance, nutrient digestibility and nitrogen metabolism of mink during winter fur-growing season. Sixty-three healthy female mink at the age of (150±3) days with the similar body weight were randomly divided into 7 groups with 9 replicates each and 1 mink per replicate. The mink in the 7 groups were fed experimental diets with L-Arg supplemental level of 0 (group Ⅰ), 0.2% ( group Ⅱ), 0.4% (group Ⅲ), 0.6% (group Ⅳ), 0.8% (group Ⅴ), 1.0% (group Ⅵ) and 1.2% (group Ⅶ), respectively. The pre-test period lasted for 7 days, and the trial lasted for 60 days. The results showed as follows: 1) the final weight had no significant difference among all groups (P>0.05). The average daily gain of the group Ⅴ was tendentiously higher than that of the other groups, but the difference was not significantly (P>0.05). The feed/gain of the group Ⅴ was significantly lower than that of groups Ⅰ, Ⅱ and Ⅲ (P0.05). 3) The urine nitrogen of the group Ⅳ was significantly lower than that of the group Ⅰ (P<0.05). The biological value of protein of the group Ⅳ was greatly significantly higher than that of groups Ⅵ and Ⅶ (P<0.01) and was significantly higher than that of groups Ⅰ and Ⅱ (P<0.05). In conclusion, when dietary L-Arg supplemental level is 0.6% to 0.8%, that is the total arginine level in the diet is 2.30% to 2.50%, the mink will get the better growth performance and biological value of protein during winter fur-growing season.

Key words： winter fur-growing season; mink; arginine; growth performance; nutrient digestibility; nitrogen metabolism

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