常用饲料原料蛋白质在梅花鹿瘤胃内降解率的测定

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• 英文论文题名：Determination of Protein Ruminal Degradability of Common Feed Ingredients in Sika Deer
• 论文作者：鲍坤 ; 徐超 ; 宁浩然 ; 王凯英 ; 赵家平 ; 李光玉
• 英文论文作者：Bao Kun ; Xu Chao ; Ning Haoran ; Wang Kaiying ; Zhao Jiaping ; Li Guangyu ; Jilin Provincial Key Laboratory for Molecular Biology of Special Economic Animals ; Institute of Special Animal and Plant Sciences of Chinese Academy of Agricultural Sciences
• 年：2016
• 作者机构：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重点实验室;
• 论文关键词：梅花鹿 ; 蛋白质 ; 瘤胃降解率 ; 饲料原料 ; 尼龙袋法
• 英文论文关键词：sika deer ; protein ; ruminal degradability ; feed ingredient ; nylon bag technology
• 会议召开时间：2016-06-01
• 会议录名称：“十二五” 鹿科学研究进展
• 语种：中文
• 分类号：S825.5
• 学会代码：ZXMY
• 学会名称：中国畜牧业协会
• 页数：7
• 文件大小：322k
• 原文格式：O

摘要

为研究几种鹿常用饲料原料的蛋白质瘤胃降解规律,以4头安装有永久性瘤胃瘘管的成年雄性梅花鹿为试验动物,采用尼龙袋法对棉籽粕、玉米胚芽粕、菜籽粕、干酒糟及其可溶物(DDGS)、玉米蛋白粉、玉米纤维及羊草的蛋白质瘤胃降解率进行测定。结果表明:①棉籽粕的蛋白质瘤胃降解率始终最高,与其他几种饲料原料相比,在各时间点的差异均达到极显著(P<0.01)。②48h的蛋白质瘤胃降解率从高到低依次为棉籽粕、玉米蛋白粉、羊草、DDGS、玉米胚芽粕、菜籽粕和玉米纤维,蛋白质瘤胃动态降解率亦呈现相似的变化规律。由此得出,棉籽粕的蛋白质瘤胃降解率较高,生产实践中要考虑进行过瘤胃保护技术,以减少蛋白质资源的浪费:菜籽粕的蛋白质瘤胃降解率较低,是一种待开发利用的蛋白质补充料;玉米胚芽粕、DDGS、玉米蛋白粉、玉米纤维及羊草可作为鹿生产中常用的饲料原料。
In order to investigate the protein degradation rule in rumen of several common feed ingredients in deer,four adult male sika deer fitted with permanent rumen cannulas were selected to estimate the protein ruminal degradability of cottonseed meal,corn germ meal,rapeseed meal,distillers' dried grains with soluble(DDGS),corn gluten meal,corn fiber and Chinese wildrye using the nylon bag technology.The results showed as follows;1) protein ruminal degradability of cottonseed meal was always the highest,compared with other common feed ingredients,the difference in protein ruminal degradability at all time points was extremely significant(P < 0.01).2) The protein ruminal degradability at 48 hour in descending order was cottonseed meal,corn gluten meal,Chinese wildrye,DDGS,corn germ meal,rapeseed meal and corn fiber,and the protein ruminal dynamic degradability showed the similar change law.It is concluded that protection technology of protein bypass rumen must be used in practice to reduce waste of protein source because of high degradability of cottonseed meal;rapeseed meal is a kind of new protein supplement to develop because of its low protein ruminal degradability;corn germ meal,DDGS,corn gluten meal,corn fiber and Chinese wildrye can be used as common feed ingredients in deer production.

引文

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