饲粮中添加酵母&beta;-葡聚糖对围产期奶牛生产性能、血清生化指标及抗氧化能力的影响

顾鲲涛, 赵连生, 王留香, 卜登攀, 刘宁, 王建平

doi:10.3969/j.issn.1006-267x.2018.06.019

动物营养学报 >

2018 , Vol. 30 >Issue 6: 2164 - 2171

DOI: https://doi.org/10.3969/j.issn.1006-267x.2018.06.019

反刍与草食动物营养 Ruminant and herbivore nutrition

饲粮中添加酵母β-葡聚糖对围产期奶牛生产性能、血清生化指标及抗氧化能力的影响

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1. 河南科技大学动物科技学院, 洛阳 471023;
2. 中国农业科学院北京畜牧兽医研究所, 动物营养学国家重点实验室, 北京 100193;
3. 乐斯福管理有限公司, 上海 200235;
4. 中国农业科学院与世界农用林业中心农用林业与可持续畜牧业联合实验室, 北京 100193;
5. 湖南畜产品质量安全协同创新中心, 长沙 410128

顾鲲涛(1992-),男,河南商丘人,硕士研究生,从事反刍动物营养与饲料研究。E-mail:xiaogu21xiaoxu@163.com

收稿日期: 2017-11-27

网络出版日期: 2018-06-20

基金资助

中国农业科学院科技创新工程协同创新任务（ASTIP-IAS07，CAAS-XTCX2016011-01）；北京市奶牛产业创新团队（BAIC06-2017）

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Effects of Dietary Supplementation of Yeast β-Glucan on Performance, Serum Biochemical Indices and Antioxidant Capacity of Transition Dairy Cows

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1. College of Animal and Technology, Henan University of Science and Technology, Luoyang 471023, China;
2. State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China;
3. Lesaffre Management Co., Ltd., Shanghai 200235, China;
4. Chinese Academy of Agricultural Sciences and World Agroforestry Center Joint Lab on Agroforestry and Sustainable Animal Husbandry, Beijing 100193, China;
5. Hunan Co-Innovation Center of Animal Production Safety, Changsha 410128, China

Received date: 2017-11-27

Online published: 2018-06-20

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摘要

本试验旨在研究饲粮中添加酵母β-葡聚糖对围产期奶牛生产性能、血清生化指标及抗氧化能力的影响。选择40头体况评分（3.63±0.06）、胎次（2.88±0.05）、上一泌乳期产奶量[（36.86±1.06）kg/d]及预产期[（28±1）d]相近的健康荷斯坦奶牛，采用完全随机设计分为对照组和试验组，每组20头，对照组饲喂基础饲粮，试验组饲喂在基础饲粮中添加10 g/（头·d）酵母β-葡聚糖的试验饲粮。试验期49 d，其中预试期7 d，正试期42 d。结果表明：1）饲粮中添加酵母β-葡聚糖显著提高了产后干物质采食量、产奶量及乳蛋白产量（P<0.05），对产后乳中其他乳成分产量和比率没有显著影响（P>0.05）；2）饲粮中添加酵母β-葡聚糖显著提高了产后血清葡萄糖含量（P<0.05），显著降低了产后血清非酯化脂肪酸含量（P<0.05），产后血清总蛋白含量有增加趋势（P=0.06），对产前和产后血清中白蛋白、C-反应蛋白、结合珠蛋白和淀粉样蛋白含量没有显著影响（P>0.05）；3）饲粮中添加酵母β-葡聚糖显著提高了产前和产后血清谷胱甘肽过氧化物酶活性（P<0.05），有降低产前血清丙二醛含量的趋势（P=0.05），对产前和产后血清总抗氧化能力和超氧化物歧化酶活性没有显著影响（P>0.05）。综上所述，围产期饲粮中添加10 g/（头·d）酵母β-葡聚糖可提高奶牛的产后干物质采食量、产奶量、乳蛋白产量，提高产后血清葡萄糖含量及血清抗氧化能力，降低产后血清非酯化脂肪酸含量。

关键词： 酵母β -葡聚糖; 围产期奶牛; 生产性能; 生化指标; 抗氧化能力

本文引用格式

顾鲲涛, 赵连生, 王留香, 卜登攀, 刘宁, 王建平 . 饲粮中添加酵母β-葡聚糖对围产期奶牛生产性能、血清生化指标及抗氧化能力的影响[J]. 动物营养学报, 2018 , 30(6) : 2164 -2171 . DOI: 10.3969/j.issn.1006-267x.2018.06.019

Abstract

The objective of this study was to evaluate the effects of dietary supplementation of yeast β-glucan on performance, serum biochemical indices and antioxidant capacity of transition dairy cows. Forty Holstein cows with similar body condition score (3.63±0.06), parity (2.88±0.05), milk yield of the last parity[(36.86±1.06) kg/d] and expected parturition date[(28±1) d] were assigned to 2 groups with 20 cows per group in a completely randomized design. Cows in control group were fed a basal diet, and those in experimental group were fed the basal diet supplemented with 10 g/(head·d) yeast β-glucan. The experiment lasted for 49 days with a pretrial period of 7 days and a trial period of 42 days. The results showed as follows:1) dietary supplementation of yeast β-glucan significantly improved postpartum dry matter intake, milk yield and milk protein yield (P<0.05), but had no significant effects on yield and percentage of the other milk composition (P>0.05); 2) dietary supplementation of yeast β-glucan significantly improved postpartum serum glucose (GLU) content (P<0.05), significantly decreased postpartum serum nonesterified fatty acid (NEFA) content was significantly decreased (P<0.05), and tended to increase postpartum serum total protein content (P=0.06), but had no significant effects on prepartum and postpartum serum contents of albumin (ALB), haptoglobin (Hp), C-reactive protein (CRP) and amyloid A (AA) (P>0.05); 3) dietary supplementation of yeast β-glucan significantly improved prepartum and postpartum serum glutathione peroxidase activity (P<0.05), and tended to decrease prepartum serum malondialdehyde content (P=0.05), but had no significant effects on serum total antioxidant capacity and superoxide dismutase activity (P>0.05). These results indicate that dietary supplementation of yeast β-glucan can improve postpartum dry matter intake, milk yield, milk protein yield, increase postpartum serum GLU content and antioxidant capacity, decrease postpartum serum NEFA content.

Key words： yeast β-glucan; transition dairy cow; performance; biochemical index; antioxidant performance

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