杜仲叶对绵羊营养物质消化利用、生长性能及屠宰性能的影响

杨改青, 王林枫, 廉红霞, 杜营辉, 曹玉良, 郭文娟, 胡昌, 赵志伟, 代童童, 李明

doi:10.3969/j.issn.1006-267x.2017.04.037

动物营养学报 >

2017 , Vol. 29 >Issue 4: 1383 - 1391

DOI: https://doi.org/10.3969/j.issn.1006-267x.2017.04.037

研究简报 Short communications

杜仲叶对绵羊营养物质消化利用、生长性能及屠宰性能的影响

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1. 河南农业大学现代试验技术与管理中心, 郑州 450002;
2. 河南农业大学牧医工程学院, 农业部动物生化与营养重点实验室, 郑州 450002;
3. 洛阳市龙须坡农牧有限公司, 汝阳 471200;
4. 河南省汝阳县农牧局, 汝阳 471200;
5. 济源市动物卫生监督所, 济源 459000;
6. 平顶山市畜牧局, 平顶山 467000

杨改青(1971-),女,河南汝阳人,实验员,硕士,研究方向为营养生理。E-mail:ygqw2009@126.com

收稿日期: 2016-10-09

网络出版日期: 2017-04-14

基金资助

河南省科技厅科技惠民计划项目——信息化技术在杜仲羊生产中的应用（162207110009）

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Effects of Eucommia ulmoides Leaves on Nutrient Digestion and Utilization, Growth Performance and Slaughtering Performance of Sheep

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1. Modern Experimental Techniques and Managing Centre of Henan Agricultural University, Zhengzhou 450002, China;
2. Key Laboratory of Animal Biochemistry and Nutrition, Ministry of Agriculture, College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou 450002, China;
3. Luoyang Longxupo Agriculture and Livestock Co., Ltd., Ruyang 471200, China;
4. Ruyang Agriculture and Animal Husbandry Bureau, Ruyang 471200, China;
5. Institute of Jiyuan Animal Health Supervision, Jiyuan 459000, China;
6. Pingdingshan Animal Husbandry Bureau, Pingdingshan 467000, China

Received date: 2016-10-09

Online published: 2017-04-14

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摘要

杜仲叶是优质的粗饲料兼具药物活性物质，本试验旨在研究杜仲叶对绵羊营养物质消化利用、生长性能及屠宰性能的影响。选择30只体质健康、年龄和体重相近的绵羊（湖羊），随机分为3组，每组10只羊，分别为对照组（饲喂无杜仲叶的基础饲粮，CTL组）、低水平杜仲叶组（饲粮中含10%的杜仲叶，EUL1组）和高水平杜仲叶组（饲粮中含20%的杜仲叶，EUL2组），进行饲养试验和消化代谢试验。结果表明：饲粮中添加不同水平的杜仲叶对绵羊的末重、增重、采食量、日增重有显著影响（P<0.05），对能量和氮的消化率、沉积率有显著影响（P<0.05），对钙、磷的消化率和沉积率无显著影响（P>0.05），对屠宰率和胴体净肉率有显著影响（P<0.05），对胴体重、净肉重、骨重、骨肉比无显著影响（P>0.05）。由此可见，杜仲叶对绵羊营养物质消化率、利用率及生长性能和屠宰性能等有明显的影响，影响程度与杜仲叶的用量有关。

关键词： 杜仲叶; 能量; 氮; 消化率; 利用率; 生长性能; 屠宰性能

本文引用格式

杨改青, 王林枫, 廉红霞, 杜营辉, 曹玉良, 郭文娟, 胡昌, 赵志伟, 代童童, 李明 . 杜仲叶对绵羊营养物质消化利用、生长性能及屠宰性能的影响[J]. 动物营养学报, 2017 , 29(4) : 1383 -1391 . DOI: 10.3969/j.issn.1006-267x.2017.04.037

Abstract

Eucommia ulmoides leaf was a kind of high quality roughage that has many active nutrients. This experiment was conducted to study the effects of Eucommia ulmoides leaves on nutrient digestion and utilization, growth performance and slaughtering performance of sheep. Thirty healthy lambs (Hu sheep) with the similar age and body weight were randomly divided into three groups with ten lambs per group, which were named control group (normal ration, without Eucommia ulmoides leaves, CTL group), low level of Eucommia ulmoides leaves group (ration with Eucommia ulmoides leaves instead of 10% of roughage, EUL1 group) and high level of Eucommia ulmoides leaves group (ration with Eucommia ulmoides leaves instead of 20% of roughage, EUL2 group) for the feeding experiment and metabolism experiment. The results showed that dietary supplemented with different levels of Eucommia ulmoides leaves had significant effects on final weight, body weight gain, feed intake and daily gain of sheep (P<0.05), also had significant effects on the digestibility and deposition rate of energy and nitrogen (P<0.05), had no significant effects on the digestibility and deposition rate of calcium and phosphorus (P>0.05), had significant effects on the dressing percentage and percentage of carcass net muscle (P<0.05), and had no significant effects on the carcass weight, meat weight, bone weight and meat to bone ratio (P>0.05). In conclusion, Eucommia ulmoides leaves greatly affect the ratio of feeds digestion and utilization as well as growth and slaughtering performance of sheep, the improvement degree is related to the level of Eucommia ulmoides leaves.

Key words： Eucommia ulmoides leaves; energy; nitrogen; digestibility; utilization rate; growth performance; slaughtering performance

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