放牧与舍饲育肥对绒山羊胃肠道组织形态的影响

于洋; 格日乐玛; 闫素梅; 郭晓宇; 赵艳丽

doi:10.3969/j.issn.1006-267x.2020.02.033

动物营养学报 >

2020 , Vol. 32 >Issue 2: 775 - 783

DOI: https://doi.org/10.3969/j.issn.1006-267x.2020.02.033

反刍与草食动物营养与饲料 RUMINANT AND HERBIVORE NUTRITION AND FEED

放牧与舍饲育肥对绒山羊胃肠道组织形态的影响

于洋 ,
格日乐玛 ,
闫素梅 ,
郭晓宇 ,
赵艳丽

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内蒙古农业大学动物科学学院, 自治区高校动物营养与饲料科学重点实验室, 呼和浩特 010018

于洋(1994-),女,内蒙古巴彦淖尔人,硕士研究生,从事反刍动物营养的研究。E-mail:1448828962@qq.com

收稿日期: 2019-08-16

网络出版日期: 2020-02-21

基金资助

国家公益性行业（农业）科研专项（201003061）

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Effects of Pasture Fattening and Stall Fattening on Gastrointestinal Tract Morphology of Cashmere Goats

YU Yang ,
GE Rilema ,
YAN Sumei ,
GUO Xiaoyu ,
ZHAO Yanli

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College of Animal Science, Key Laboratory of Animal Nutrition and Feed Science in Colleges, Inner Mongolia Agricultural University, Hohhot 010018, China

Received date: 2019-08-16

Online published: 2020-02-21

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摘要

本试验旨在研究放牧与舍饲育肥对绒山羊胃肠道组织形态的影响。从内蒙古白绒山羊种羊场中选择体重与年龄相似的阿尔巴斯白绒山羊母羊60只，随机分为试验组（EG组）和对照组（CG组）。试验组进行舍饲育肥，饲喂全混合日粮，对照组进行放牧育肥。预试期l5 d，正试期60 d。在育肥试验结束时，分别从CG组和EG组中随机选取6只母羊进行屠宰取样，测定胃肠道的组织形态结构。结果表明：与CG组相比，EG组母羊瘤胃乳头长度和乳头宽度显著提高（P<0.05），但瘤胃、网胃、瓣胃及皱胃的胃壁厚度和肌肉层厚度没有显著变化（P>0.05）；EG组的十二指肠、空肠、回肠的绒毛长度及绒毛长度/隐窝深度显著高于CG组（P<0.05），但对于隐窝深度2组间差异不显著（P>0.05）。综上所述，与放牧育肥相比，舍饲育肥可以改善绒山羊母羊的胃肠道组织形态结构。

关键词： 育肥方式; 绒山羊; 成年母羊; 胃肠道

本文引用格式

于洋 , 格日乐玛 , 闫素梅 , 郭晓宇 , 赵艳丽 . 放牧与舍饲育肥对绒山羊胃肠道组织形态的影响[J]. 动物营养学报, 2020 , 32(2) : 775 -783 . DOI: 10.3969/j.issn.1006-267x.2020.02.033

Abstract

This experiment was conducted to study the effects of pasture fattening and stall fattening on gastrointestinal tract morphology of cashmere goats. A total of sixty eliminated Arbas white female cashmere goats with similar body weight and age were selected from Inner Mongolia White Cashmere Goat Breeding Farm and divided into two groups randomly:experimental group (EG group) and control group (CG group). The experiment group were fed for stall fattening and female goats were fed according to the designed total mixed ration; the other goats were conducted pasture fattening. The preliminary trial period was 15 d, and formal trial period was 60 d. At the end of the trial, each 6 female goats were selected from the experiment and control groups, respectively to slaughter, and to determine the gastrointestinal tract morphology. The results showed as follows:cashmere female goats' papillae length and width of rumen in EG group significantly increased compared with CG group (P<0.05), but there were no significant changes in their wall thickness and muscular thickness of rumen, reticulum, omasum and abomasum (P>0.05). The villi length of duodenum, ileum and jejunum of female goats in EG group were significantly higher than those of female goats fed in CG group (P<0.05); compared with CG group, the villi length/crypt depth of duodenum, jejunum and ileum of female goats in EG group were significantly higher (P<0.05). In conclusion, compared with pasture fattening, stall fattening can promote gastrointestinal digestive function of female cashmere goats.

Key words： fattening method; cashmere goats; adult female; gastrointestinal tract

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