动物营养学报 >

2013 , Vol. 25 >Issue 5: 1004 - 1009

DOI: https://doi.org/10.3969/j.issn.1006-267x.2013.05.015

反刍动物营养 Ruminant Nutrition

硫胺素对亚急性瘤胃酸中毒状态下山羊瘤胃发酵特性的影响

  • 董淑红 ,
  • 王洪荣 ,
  • 潘晓花 ,
  • 蔡晶晶
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  • 1. 扬州大学动物科学与技术学院,扬州 225009;
    2. 徐州生物工程职业技术学院,徐州 221006

收稿日期: 2012-11-13

  网络出版日期: 2013-04-12

基金资助

国家自然科学基金资助项目(31072051);江苏高校优势学科建设工程资助项目

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Effects of Thiamin on Rumen Fermentation Characteristics in Goats Suffered from Subacute Ruminal Acidosis

  • DONG Shuhong ,
  • WANG Hongrong ,
  • PAN Xiaohua ,
  • CAI Jingjing
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  • 1. College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China;
    2. Xuzhou Vocational College of Biological Engineering, Xuzhou 221006, China

Received date: 2012-11-13

  Online published: 2013-04-12

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摘要

本试验旨在研究硫胺素对亚急性瘤胃酸中毒(SARA)状态下山羊瘤胃发酵特性的影响。选用6只1～2岁装有永久性瘤胃瘘管、身体健康的徐淮山羊为试验动物,分为试验组和对照组,每组3只,采用逐渐提高饲粮精粗比的方式诱导发生SARA。试验动物处于SARA状态后,试验组饲粮中添加240 mg/kg硫胺素。结果表明:饲粮中添加硫胺素提高了瘤胃液pH;饲粮中添加硫胺素显著或极显著降低了乳酸(4～8 h)和乙酸的浓度(0～12 h)以及乙酸/丙酸(0～12 h)(P<0.05或P<0.01),显著或极显著提高了丙酸(0～12 h)与丁酸的浓度(0、6、9 h)(P<0.05或P<0.01);饲粮中添加硫胺素显著或极显著降低了各时间点组胺浓度(P<0.05或P<0.01),但未使除6 h外的内毒素浓度发生显著变化(P>0.05),显著或极显著提高了各时间点瘤胃液硫胺素浓度(P<0.05或P<0.01),显著或极显著降低了硫胺素酶的活性(0、6、9 h)(P<0.05或P<0.01)。结果提示,饲粮中添加240 mg/kg硫胺素能够改善SARA状态下瘤胃内环境,缓解山羊SARA。

关键词： 硫胺素; 亚急性瘤胃酸中毒; 瘤胃发酵; 山羊

本文引用格式

董淑红 , 王洪荣 , 潘晓花 , 蔡晶晶 . 硫胺素对亚急性瘤胃酸中毒状态下山羊瘤胃发酵特性的影响[J]. 动物营养学报, 2013 , 25(5) : 1004 -1009 . DOI: 10.3969/j.issn.1006-267x.2013.05.015

Abstract

The effects of thiamin on the rumen fermentation characteristics in goats suffered from subacute ruminal acidosis (SARA) were studied. Six healthy Xuhuai goats aged 1 to 2 years and fixed with permanent fistulas were divided into two groups with 3 goats in each group. SARA of goats was induced by a feeding regime of gradual increasing dietary ratio of concentrate to forage. After SARA occurs, 240 mg/kg thiamin was added in the diet of experimental group. The results showed that the supplementation of thiamin increased rumen fluid pH; the concentrations of lactate (4 to 8 h), acetate (0 to 12 h) and acetate/propionate (0 to 12 h) were significantly decreased (P<0.05 or P<0.01), while the concentrations of propionate (0 to 12 h) and butyrate (0, 6 and 9 h) were significantly increased (P<0.05 or P<0.01); thiamine concentration in rumen fluid at all the time points was significantly decreased (P<0.05 or P<0.01), while endoxin concentration in rumen fluid was not significantly affected at all the time points excepted for 6 h (P>0.05); thiamin concentration in rumen fluid was significantly increased at all the time points (P<0.05 or P<0.01), while the activity of thiaminase was significantly decreased (P<0.05 or P<0.01). It is concluded that the supplementation of 240 mg/kg thiamin in diets for goats during SARA period can improve the conditions of rumen internal environment, which results in the release of SARA.

Key words： thiamin; subacute ruminal acidosis; rumen fermentation; goats

参考文献

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