动物营养学报 >

2014 , Vol. 26 >Issue 7: 1988 - 1995

DOI: https://doi.org/10.3969/j.issn.1006-267x.2014.07.034

研究简报 Short Communications

果寡糖对奶山羊瘤胃微生物区系及常用粗饲料瘤胃降解率的影响

  • 胡静 ,
  • 于子洋 ,
  • 朱亚骏 ,
  • 林英庭 ,
  • 程明 ,
  • 汪文鑫 ,
  • 刘开东
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  • 1. 青岛农业大学动物科技学院, 青岛 266109;
    ２. 青岛市畜牧兽医研究所, 青岛 266100

收稿日期: 2014-02-27

  网络出版日期: 2014-07-01

基金资助

青岛市科技计划应用基础研究项目；山东省现代农业产业技术体系羊产业创新团队（SDAIT-09-011-04）

收起

Fructooligosaccharide：Effects on Ruminal Microflora and Degradation Rate of Common Roughages of Dairy Goats

  • HU Jing ,
  • YU Ziyang ,
  • ZHU Yajun ,
  • LIN Yingting ,
  • CHENG Ming ,
  • WANG Wenxin ,
  • LIU Kaidong
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  • 1. College of Animal Science and Technology, Qingdao Agricultural University, Qingdao 266109, China;
    2. Qingdao Animal Husbandry and Veterinary Research Institute, Qingdao 266100, China

Received date: 2014-02-27

  Online published: 2014-07-01

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摘要

本试验旨在研究果寡糖对奶山羊瘤胃微生物区系及常用粗饲料瘤胃降解率的影响。试验选用体况良好、体重相近的8月龄崂山奶山羊4只，采用4×4拉丁方试验设计。对照组饲喂基础饲粮；Ⅰ、Ⅱ、Ⅲ组为试验组，分别饲喂基础饲粮中添加0.8%、1.2%及1.6%果寡糖（以有效含量计）的试验饲粮。试验共分为4期，每期35 d，其中预试期7 d，正试期28 d。于晨饲前（0 h），晨饲后2、4、6 h以及晚饲前（晨饲后10 h）采集瘤胃液，测定瘤胃液中总细菌以及纤维素分解菌、原虫和真菌数量，同时利用尼龙袋法测定常用粗饲料瘤胃降解率。结果表明：1）与对照组相比，各试验组均能显著或极显著提高苜蓿、青贮玉米、花生蔓和酒糟干物质瘤胃降解率（P0.05）；饲粮中添加果寡糖对原虫数量无显著影响（P>0.05）。本试验条件下，饲粮中添加果寡糖可提高瘤胃内纤维素分解菌及真菌的数量，提高粗饲料的瘤胃降解率，其中以1.2%的添加量为最佳。

关键词： 奶山羊; 果寡糖; 瘤胃微生物区系; 粗饲料; 瘤胃降解率

本文引用格式

胡静 , 于子洋 , 朱亚骏 , 林英庭 , 程明 , 汪文鑫 , 刘开东 . 果寡糖对奶山羊瘤胃微生物区系及常用粗饲料瘤胃降解率的影响[J]. 动物营养学报, 2014 , 26(7) : 1988 -1995 . DOI: 10.3969/j.issn.1006-267x.2014.07.034

Abstract

This experiment was conducted to study the effects of fructooligosaccharide (FOS) on ruminal microflora and degradation rate of common roughages of dairy goats. Four 8-month-old healthy Laoshan dairy goats with similar body weight were used in a 4×4 Latin square design. Goats in different groups were fed basal diets supplemented with 0 (control group), 0.8% (test groupⅠ), 1.2% (test groupⅡ) and 1.6% (test group Ⅲ) FOS (calculated as effective content), respectively. The experiment consisted of 4 stages with 35 days per stage, and each stage had a pre-experimental period of 7 days followed by an experimental period of 28 days. Ruminal fluid was collected for the analysis of the number of total bacteria, cellulose-decomposing bacteria, protozoa and fungi after 0 (before morning feeding), 2, 4,6 and 10 h (before afternoon feeding) of feeding in the morning; meanwhile, ruminal degradation rate of common roughages was determined by the method of nylon bag. The results showed as follows: 1) compared with control group, ruminal dry matter degradation rate of alfalfa, maize silage, peanut vine and distillers' grains in test groups was significantly increased (P0.05) except for at 4 h ; there were no significant effects of FOS on protozoa number (P>0.05). In conclusion, under the conditions in the present study, the number of cellulose-decomposing bacteria and fungi is increased by supplementation of FOS, as well as ruminal degradation rate of roughages; the optimal supplemental level is 1.2%.

Key words： dairy goat; fructooligosaccharide; ruminal microflora; roughage; degradation rate

参考文献

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