研究简报 Short Communications

纤维素酶和丙二醇对产后奶牛能量负平衡相关血清指标的影响

  • 陈连民 ,
  • 陈前岭 ,
  • 王梦芝 ,
  • 高健 ,
  • 蔡青和 ,
  • 张婵娟 ,
  • 王洪荣
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  • 1. 扬州大学动物科学与技术学院, 扬州 225009;
    2. 江苏省泗阳县畜牧兽医站, 泗阳 223700;
    3. 上海欧耐施生物技术有限公司, 上海 201613

收稿日期: 2014-07-21

  网络出版日期: 2014-12-05

基金资助

江苏省自然科学基金项目(BK20141270);江苏省农业三新工程项目(SXGC[2013]321);江苏省优势学科项目

Effects of Cellulase and Propylene Glycol on Negative Energy Balance Related Serum Indexes of Postpartum Dairy Cows

  • CHEN Lianmin ,
  • CHEN Qianling ,
  • WANG Mengzhi ,
  • GAO Jian ,
  • CAI Qinghe ,
  • ZHANG Chanjuan ,
  • WANG Hongrong
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  • 1. College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China;
    2. Jiangsu Siyang Animal Husbandry and Veterinary Station, Siyang 223700, China;
    3. Shanghai Honest Biological Co., Ltd., Shanghai 201613, China

Received date: 2014-07-21

  Online published: 2014-12-05

摘要

本文旨在比较饲粮中添加纤维素酶和丙二醇对产后奶牛能量负平衡相关血清指标、尿液酮体浓度的影响.试验选择24头处于围产前期奶牛随机分成3组,对照组饲喂基础饲粮,另设置丙二醇组(基础饲粮+0.5%丙二醇制剂)和纤维素酶组(基础饲粮+0.1%纤维素酶制剂),测定产后第1、20、40、60和100天奶牛能量负平衡相关血清指标、尿液酮体的浓度.结果表明:在产后第1天丙二醇组血清葡萄糖和胰岛素浓度显著高于其余2组(P<0.05);在产后第1、20、40和60天,丙二醇组血清游离脂肪酸和尿液酮体浓度显著低于对照组(P<0.05),第20天显著低于纤维素酶组(P<0.05);甘油三酯等与肝脏脂肪代谢相关的血清指标试验组优于对照组,且以丙二醇组更好.综上,饲粮添加丙二醇及纤维素酶对奶牛产后能量负平衡有一定的改善作用,且以添加0.5%丙二醇制剂效果相对更好.

本文引用格式

陈连民 , 陈前岭 , 王梦芝 , 高健 , 蔡青和 , 张婵娟 , 王洪荣 . 纤维素酶和丙二醇对产后奶牛能量负平衡相关血清指标的影响[J]. 动物营养学报, 2014 , 26(12) : 3829 -3835 . DOI: 10.3969/j.issn.1006-267x.2014.12.037

Abstract

The objective of this study was to compare the effects of cellulase and propylene glycol on negative energy balance (NEB) related serum indexes and urine ketone (KET) concentration of postpartum dairy cows. Twenty four early perinatal dairy cows were randomly divided into 3 groups with 8 cows per group. Three groups were control group (basal diet), propylene glycol group (basal diet+0.5% propylene glycol preparation) and cellulase group (basal diet+0.1% cellulose preparation). Serum indexes related to NEB and urine KET concentration were detected respectively on days 1, 20, 40, 60 and 100 after calving. The results showed as follows: on day 1 after calving, serum glucose and insulin concentrations of propylene glycol group were significantly higher than those of the other 2 groups (P<0.05). On days 1, 20, 40 and 60 after calving, serum non-esterified fatty acid and urine KET concentrations in propylene glycol group were significantly lower than those in control group (P<0.05), moreover, propylene glycol group was significantly lower than cellulase group on day 20 after calving (P<0.05). Serum indexes related to liver fat metabolism such as triglyceride in experimental groups were better compared to control group, and propylene glycol group showed optimum effect. Taken together, diets adding with cellulase and propylene glycol have certain improvements to NEB and the addition of 0.5% propylene glycol preparation in diet showes better effects.

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