瘤胃保护葡萄糖对围产后期荷斯坦奶牛生产性能及血清生化指标的影响

doi:10.11843/j.issn.0366-6964.2016.01.015

畜牧兽医学报 ›› 2016, Vol. 47 ›› Issue (1): 113-119.doi: 10.11843/j.issn.0366-6964.2016.01.015

瘤胃保护葡萄糖对围产后期荷斯坦奶牛生产性能及血清生化指标的影响

李妍¹，薛倩²，高艳霞^2，3，陈子宁²，李秋凤^2，3，李建国^2，3*

（1.河北农业大学动物医学院，保定 071001；2.河北农业大学动物科技学院，保定 071001；3.河北省牛羊胚胎工程技术研究中心，保定 071001）

收稿日期:2015-06-05 出版日期:2016-01-23 发布日期:2016-01-23
通讯作者: 李建国，教授，E-mail：jgliauh@sohu.com
作者简介:李妍（1987-），女，河北保定人，博士，主要从事营养与分子生物学研究，E-mail：239662307@qq.com，Tel：0312-7526278
基金资助:
现代农业产业技术体系建设专项资金(CARS-37)；河北省现代农业产业技术体系奶牛创新团队；河北省重点研发计划

Effects of Rumen-protected Glucose on Performance and Blood Biochemical Parameters during Postpartum Period in Dairy Cows

LI Yan¹，XUE Qian²，GAO Yan-xia^2，3，CHEN Zi-ning²，LI Qiu-feng^2，3，LI Jian-guo^2，3*

(1.College of Veterinary Medicine，Hebei Agricultural University，Baoding 071001，China;2.College of Animal Science and Technology，Hebei Agricultural University，Baoding 071001，China;3.Embryo Engineering and Technological Center of Cattle and Sheep of Hebei，Baoding 071001，China)

Received:2015-06-05 Online:2016-01-23 Published:2016-01-23

摘要/Abstract

摘要：

旨在研究瘤胃保护葡萄糖（Rumen-protected glucose，RPG）对围产后期荷斯坦奶牛生产性能及血清生化指标的影响。采用单因素随机区组试验设计，将28头健康、胎次、体重与体况相近的待产荷斯坦奶牛，随机分为4组（Ⅰ组、Ⅱ组、Ⅲ组和Ⅳ组），每组7头。其中，Ⅳ组为对照组，饲喂基础日粮，Ⅰ组、Ⅱ组、Ⅲ组奶牛自分娩后第1天起分别在基础日粮中每天每头添加200、300和400 g RPG。试验期28 d。结果表明：（1）Ⅰ组、Ⅱ组、Ⅲ组和Ⅳ组产后体重分别减少61.99、43.20、42.83和62.66 kg，与Ⅳ组体重减少量相比，Ⅱ组、Ⅲ组差异极显著（P<0.01）。（2）Ⅱ组、Ⅲ组产奶量为26.68和26.84 kg•d^-1•cow^-1，极显著高于Ⅳ组24.49 kg•d^-1•cow^-1（P<0.01），Ⅰ组产奶量为25.66 kg•d^-1•cow^-1和Ⅳ组差异不显著（P>0.05）。（3）试验组提高了乳蛋白和乳糖含量，但各组差异不显著（P>0.05）。（4）试验组提高了血清葡萄糖浓度，降低了血清中非酯化脂肪酸（Nonesterified fatty acids，NEFA）和β-羟丁酸(β-hydroxybutyric acid，BHBA)浓度，尤其Ⅲ组与对照组比较，差异极显著（P<0.01）。在围产后期奶牛日粮中添加RPG可有效减缓体重损失，提高产奶量，提高血清中葡萄糖浓度，降低血清NEFA和BHBA浓度。表明RPG有利于奶牛产后体况维持，降低奶牛围产后期能量负平衡发生机率。

Abstract:

This study was conducted to investigate the effects of dietary rumen-protected glucose (RPG) supplementation on performances and blood biochemical parameters of postpartum cows.Twenty-eight healthy postpartum Holstein cows with similar weight and body conditions score were randomly assigned into 4 groups (Ⅰ，Ⅱ，Ⅲ and Ⅳ).The cows in group Ⅳ (the control group) were fed with the basal diet.Except for the same basal diet，the cows in the experimental group Ⅰ，Ⅱand Ⅲ were supplemented with additional 200，300 and 400 g•d^-1RPG per cow from the first day of calving.The experiment lasted for 28 days.(1) The postpartum weight loss of the groups Ⅰ，Ⅱ，Ⅲ and Ⅳ were 61.99，43.2，42.83 and 62.66 kg，respectively.Comparing to that of group Ⅳ，postnatal weight loss in groups Ⅱ and Ⅲ were significant less (P<0.01).(2) The milk yield of group Ⅱ and Ⅲ were 26.68 and 26.84 kg•d^-1•cow^-1，which were significantly higher than that of group Ⅳ (24.49 kg•d^-1•cow^-1) (P<0.01).The milk yield of group I was at 25.66 kg•d^-1•cow^-1，which is not significant different from that of group Ⅳ (P>0.05).(3) In comparison with the control，all the experimental groups improved milk protein and lactose content.But the differences among them were not significant (P>0.05).(4) All the experimental groups increased the serum glucose concentration and decreased serum NEFA (nonesterified fatty acids，NEFA) and BHBA (β-hydroxybutyric acid，BHBA) concentration.Especially for group Ⅲ (P<0.01). Our results suggest that in early lactation，diets with RPG can effectively reduce weight loss，increase milk production，increase serum glucose concentration，and decrease serum NEFA and BHBA concentrations.It indicates that RPG supplication can relieve negative energy balance and improve the body conditions of postpartum cows.

中图分类号:

S823.9⁺1.4

李妍，薛倩，高艳霞，陈子宁，李秋凤，李建国. 瘤胃保护葡萄糖对围产后期荷斯坦奶牛生产性能及血清生化指标的影响[J]. 畜牧兽医学报, 2016, 47(1): 113-119.

LI Yan,XUE Qian，GAO Yan-xia，CHEN Zi-ning，LI Qiu-feng，LI Jian-guo. Effects of Rumen-protected Glucose on Performance and Blood Biochemical Parameters during Postpartum Period in Dairy Cows[J]. ACTA VETERINARIA ET ZOOTECHNICA SINICA, 2016, 47(1): 113-119.

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瘤胃保护葡萄糖对围产后期荷斯坦奶牛生产性能及血清生化指标的影响

Effects of Rumen-protected Glucose on Performance and Blood Biochemical Parameters during Postpartum Period in Dairy Cows

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