特种经济动物营养 Special Economic Animal Nutrition

饲粮脂肪源对冬毛期短毛黑水貂营养物质消化代谢的影响

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  • 1. 中国农业科学院特产研究所, 吉林省省部共建特种经济动物分子生物学国家重点实验培育基地, 长春 130012;
    2. 中国农业科学院饲料研究所, 北京 100081
杨颖(1983-),女,河北保定人,硕士,助理研究员,从事特种经济动物饲养研究。E-mail:tcsyangying@163.com

收稿日期: 2014-03-03

  网络出版日期: 2014-08-13

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”

Effects of Dietary Fat Sources on Nutrient Digestion and Metabolism of Short-Haired Black Minks (Mustelidae vison)in Furring Period

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  • 1. State Key Laboratory for Molecular Biology of Special Economical Animals, Institute of Special Wild Economic Animal and Plant Science, Chinese Academy Agricultural Sciences, Changchun 130012, China;
    2. Feed Research Institute, Chinese Academy Agricultural Sciences, Beijing 100081, China

Received date: 2014-03-03

  Online published: 2014-08-13

摘要

本试验旨在研究饲粮脂肪源对冬毛期短毛黑水貂营养物质消化代谢的影响。选择96只120日龄、体重相近、健康的短毛黑水貂,随机分成4组,每组24只。4组水貂分别饲喂油脂为豆油(Ⅰ组)、鸡油(Ⅱ组)、鱼油(Ⅲ组)、猪油(Ⅳ组)的试验饲粮,试验期80 d。结果表明:1)各组公貂的干物质消化率、粗蛋白质消化率、粗脂肪消化率均无显著差异(P>0.05),各组母貂的干物质采食量、干物质消化率、粗蛋白质消化率均无显著差异(P>0.05)。2)各组公貂和母貂的粪氮、氮沉积、蛋白质生物学价值均无显著差异(P>0.05)。Ⅰ组母貂净蛋白质利用率显著高于Ⅳ组(P<0.05)。3)Ⅱ组公貂总能、尿能、消化能、代谢能显著高于Ⅲ组(P<0.05),各组公貂的粪能、总能消化率、总能代谢率和消化能代谢率无显著差异(P>0.05)。各组母貂的总能、消化能、代谢能、总能消化率无显著差异(P>0.05),Ⅳ组母貂的粪能、尿能显著高于Ⅲ组(P<0.05)。由此可知,饲粮脂肪源对冬毛期短毛黑水貂营养物质消化率代谢没有明显影响。

本文引用格式

杨颖, 吴琼, 荣敏, 吴学壮, 邢秀梅 . 饲粮脂肪源对冬毛期短毛黑水貂营养物质消化代谢的影响[J]. 动物营养学报, 2014 , 26(8) : 2217 -2224 . DOI: 10.3969/j.issn.1006-267x.2014.08.024

Abstract

This study was conducted to study the effects of dietary fat sources on nutrient digestion and metabolism of short-haired black minks in furring period. Ninety six 120-day-old healthy short-haired black minks with similar body weight were randomly assigned to 4 groups with 24 minks in each group. Minks in the four groups were fed the experimental diets with fat sources of soybean oil (group Ⅰ), chicken fat (group Ⅱ), fish oil (group Ⅲ) and lard (group Ⅳ), respectively. The experiment lasted for 80 days. The results showed as follows: 1) there were no significant difference on the digestibility of dry matter, crude protein and ether extract of male minks among all groups (P>0.05). There were no significant difference on dry matter intake and the digestibility of dry matter and crude protein of female minks among all groups (P>0.05). 2) There were no significant difference on fecal nitrogen, nitrogen retention and biological value of protein of male and female minks among all groups (P>0.05), the net protein utilization of female minks in group Ⅰ was significantly higher than that in group Ⅳ (P<0.05). 3)The gross energy, urinary energy, digestible energy and metabolic energy of male minks in group Ⅱ were significantly higher than that in group Ⅲ (P<0.05). There were no significant difference on fecal energy, gross energy digestibility, gross energy metabolizability and digestible energy metabolizability of male minks among all groups (P>0.05). There was no significant difference on gross energy, digestible energy, metabolic energy and gross energy digestibility of female minks among all groups (P>0.05). The fecal energy and urinary energy of female minks in group Ⅳ were significantly higher than that in group Ⅲ (P<0.05). In conclusion, dietary fat sources have no obvious effects on nutrient digestion and metabolism of short-haired black minks in furring period.

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