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当前位置: 首页 > 文章 > 日粮中添加亚麻籽对肉羊消化代谢的影响 畜牧与兽医 2007,39 (7) 14-16
Position: Home > Articles > Effects of dietary flaxseed on nutrient digestion and metabolism in sheep Animal Husbandry & Veterinary Medicine 2007,39 (7) 14-16

日粮中添加亚麻籽对肉羊消化代谢的影响

作  者：
褚海义;富俊才;韩英强;李坤;周艳
单  位：
河北北方学院牧业工程系;中国农业大学动物科技学院
关键词：
亚麻籽;肉羊;消化代谢;表观消化率
摘  要：
16只体重相近,均值为(34.06±1.68)kg的杂交公羔羊按单因素随机设计原理被分成4组,每组4只,日粮中添加0%,5%,10%,15%亚麻籽进行消化代谢试验,研究不同水平的亚麻籽对绵羊消化代谢的影响。结果表明:随着亚麻籽添加水平的提高,干物质的采食量表现下降的趋势,但干物质的表观消化率各组间没有差异(P>0.05);亚麻籽的含量与可消化氮和沉积氮呈现负相关趋势,氮的表观消化率各组间差异显著(P<0.05),呈现逐渐递减的现象;有机物的表观消化率变化幅度不大,前3组差异不显著(P>0.05),添加15%亚麻籽的Ⅳ组与其他组比较差异显著;粗脂肪的表观消化率与亚麻籽的添加水平呈正相关,且各组间表现显著;纤维类物质中性洗涤纤维(NDF)和酸性洗涤纤维(ADF)随着亚麻籽添加水平的增加而表现大幅度的下降,各组间差异显著(P<0.05)。
译  名：
Effects of dietary flaxseed on nutrient digestion and metabolism in sheep
作  者：
CHU Hai-yi2,FU Jun-cai,HAN Ying-qiang2,LI Kun1,ZHOU Yan1(1.College of Animal Science and Technology,CAU,Beijing 100094,China;2.Hebei North University,Zhangjiakou 075131,China)
关键词：
flaxseed;lamb;digestion and metabolism;apparent digestibility
摘  要：
Sixteen Doset-crossbred lamb,with an initial body weight of(34.06±1.68)kg,were randomly allotted to feed one of four concentrate diets containing 0%,5%,10%,or 15% flaxseed in the present experiment.Effects of adding different flaxseed levels on nutrient metabolisms were studied by metabolism trial.Results indicated that DMI,digestible N and retained N were decreased as increasing levels of flaxseeds,while apparent digestibility of DM not changed(P>0.05)among groups.Apparent digestibility of OM did not differ(P>0.05)among 0%,5%,10% flaxseed groups,but there was a significant difference(P<0.05)between 15% flaxseed group and other groups.Dietary flaxseed levels were likely negative related to nitrogen retention and digestibility.There existed significant differences in digestible N among groups.Apparent digestibility of EE increased and 10% flaxseed group is higher(73.45%) than other groups.There was significant effect(P<0.05)compared with control group.Apparent digestibility of NDF(neutral detergent fiber)and ADF(acid detergent fiber)decreased markedly and there was significant effect(P<0.05).

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