动物营养学报 >

2018 , Vol. 30 >Issue 9: 3507 - 3516

DOI: https://doi.org/10.3969/j.issn.1006-267x.2018.09.020

反刍动物营养 Ruminant nutrition

Meta分析研究饲粮中性洗涤纤维和淀粉比对奶牛生产性能和乳成分组成的影响

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  • 1. 甘肃农业大学动物科学技术学院, 甘肃 730070;
    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. 内蒙古优然牧业有限责任公司, 呼和浩特 010070;
    4. 石河子大学动物科技学院, 石河子 832000;
    5. 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;
    6. 湖南畜产品质量安全协同创新中心, 长沙 410128
赵连生(1979-),男,北京人,博士研究生,从事粗饲料营养与评价研究。E-mail:aaronann@163.com

收稿日期: 2018-03-06

  网络出版日期: 2018-09-20

基金资助

中国农业科学院科技创新工程协同创新任务（CAAS-XTCX2016011-01）；中国农业科学院科技创新工程（ASTIP-IAS07）；奶牛产业科技北京市创新团队（BAIC06-2018）；国家自然科学基金（31560646）

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Effects of Dietary Neutral Detergent Fiber to Starch Ratio on Performance and Milk Component Synthesis in Dairy Cows: A Meta-Analysis

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  • 1. Faculty of Animal Science and Technology, Gansu Agricultural University, Lanzhou 730070, China;
    2. State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China;
    3. Inner Mongolia Youran Farming Co., Ltd., Hohhot 010070, China;
    4. College of Animal Science and Technology, Shihezi University, Shihezi 832000, China;
    5. CAAS-ICRAF Joint Lab on Agroforestry and Sustainable Animal Husbandry, Beijing 100193, China;
    6. Hunan Co-Innovation Center of Animal Production Safety, Changsha 410128, China

Received date: 2018-03-06

  Online published: 2018-09-20

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摘要

本试验旨在采用Meta分析方法研究饲粮中性洗涤纤维（NDF）与淀粉比值对奶牛生产性能和乳成分合成的影响。试验整理了27篇有关奶牛碳水化合物营养的研究，共计123个处理，运用Meta分析方法研究饲粮NDF、淀粉含量以及NDF与淀粉比值与奶牛干物质采食量、产奶量和乳成分的相关性，并进行相应的回归分析。结果显示：相较于饲粮NDF和淀粉含量，饲粮NDF与淀粉比值与奶牛的干物质采食量（R2=-0.799，P<0.01）、产奶量（R2=-0.730，P<0.01）、乳脂率（R2=0.664，P<0.01）和乳蛋白率（R2=-0.788，P<0.01）的相关性更强；饲粮NDF与淀粉比值与奶牛的干物质采食量（P=0.02）、产奶量（P<0.01）、乳脂率（P<0.01）、乳蛋白率（P<0.01）、乳蛋白产量（P<0.01）和乳糖产量（P<0.01）存在显著的一元线性回归关系，饲粮NDF与淀粉比值每增加1，奶牛的干物质采食量、产奶量、乳蛋白产量和乳糖产量分别降低0.81、1.36、0.06和1.50 kg，乳脂率和乳蛋白率分别增加0.11%和0.07%。Meta分析结果表明，饲粮NDF与淀粉比值可作为反映奶牛饲粮碳水化合物组成的营养评价指标，用于指导奶牛的生产和调控乳成分的组成。

关键词： 奶牛; 碳水化合物组成; 生产性能; 乳成分; Meta分析

本文引用格式

赵连生, 王典, 牛俊丽, 赵勐, 张文举, 卜登攀, 郑琛, 马露 . Meta分析研究饲粮中性洗涤纤维和淀粉比对奶牛生产性能和乳成分组成的影响[J]. 动物营养学报, 2018 , 30(9) : 3507 -3516 . DOI: 10.3969/j.issn.1006-267x.2018.09.020

Abstract

Meta-analysis was conducted to investigate the effects of dietary neutral detergent fiber (NDF) to starch ratio (NDF:starch) on performance and milk component synthesis in dairy cows in this study. Twenty-seven published papers about carbohydrate nutrition were collected including 123 treatments. Meta-analysis method was performed to study the correlation of dietary NDF, starch contents and NDF:starch with dry matter intake (DMI), milk yield (MY) and milk components, and the corresponding regression analysis was performed. The results showed as follows:compared with dietary NDF and starch contents, dietary NDF:starch was found to be highly correlated with DMI (R2=-0.799, P<0.01), MY (R2=-0.730, P<0.01), milk fat percentage (R2=0.664, P<0.01) and milk protein percentage (R2=-0.788, P<0.01). Significant linear regression relationships were observed between dietary NDF:starch and DMI (P=0.02), MY (P<0.01), milk fat percentage (P<0.01), milk protein percentage (P<0.01), milk protein yield (P<0.01) and lactose yield (P<0.01). When dietary NDF:starch increased by 1, DMI, MY, milk protein yield and lactose yield were reduced by 0.81, 1.36, 0.06 and 1.50 kg, respectively, while milk fat percentage and milk protein percentage were increased by 0.11% and 0.07%, respectively. Therefore, Meta-analysis results indicate that dietary NDF:starch can be used as a nutritional assessment indicator to reflect the dietary carbohydrate composition, and it can be used to guide the production of dairy cows and the composition of milk components.

Key words： dairy cows; carbohydrate composition; performance; milk components; Meta-analysis

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