动物营养学报 >

2014 , Vol. 26 >Issue 1: 34 - 42

DOI: https://doi.org/10.3969/j.issn.1006-267x.2014.01.005

综述 Review

奶牛采食调控理论与干物质采食量模型研究现状和分析

  • 杨琴 ,
  • 熊本海 ,
  • 韩英东 ,
  • 杨亮
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  • 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

收稿日期: 2013-08-29

  网络出版日期: 2013-12-24

基金资助

国家973计划课题（2011CB100805）；国家863计划课题（2012AA101905）；北京市奶牛产业技术体系创新团队；中国饲料数据库数据更新与数据发布（200903006-03-06）

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Research Situation and Analysis on Feed Intake Theory and Dry Matter Intake Models for Dairy Cows

  • YANG Qin ,
  • XIONG Benhai ,
  • HAN Yingdong ,
  • YANG Liang
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  • State Key Laboratory of Animal Nutrition, Institute of Animal science, Chinese Academy of Agricultural Sciences, Beijing 100193, China

Received date: 2013-08-29

  Online published: 2013-12-24

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摘要

对奶牛采食调控机理进行分析不仅有助于理解影响采食量的因素，同时也能为构建与发展奶牛干物质采食量模型奠定基础。本文在探究奶牛采食调控理论的基础上，总结了国际上近20年来构建的奶牛干物质采食量模型，主要包括经验模型、机理模型及半机理模型，深入分析了一些典型模型构建的背景、特点及它们之间的相互关系。目前，干物质采食量预测仍是以经验模型为主，而机理模型虽然参数比较复杂且不易获得，但是作为机理调控的量化描述有重要的研究意义，半机理模型综合了机理模型及经验模型的各自特点，反映了模型发展的新趋势，但具体预测效果还需要进一步验证。本文通过对干物质采食量模型进行总结与分析，为开展适合我国奶牛干物质采食量模型研究提供了新思路。

关键词： 奶牛; 干物质采食量; 调控理论; 模型

本文引用格式

杨琴 , 熊本海 , 韩英东 , 杨亮 . 奶牛采食调控理论与干物质采食量模型研究现状和分析[J]. 动物营养学报, 2014 , 26(1) : 34 -42 . DOI: 10.3969/j.issn.1006-267x.2014.01.005

Abstract

Analyzing the feed intake mechanism for dairy cows not only helps to understand the factors which impacting feed intake, but also lays a foundation for building and developing dry matter intake (DMI) models for dairy cows. Based on the investigation of feed intake theory for dairy cows, this paper summarized DMI models for dairy cows which were built by international in the past 20 years, mainly including empirical, mechanistic and semi-mechanistic models. Meanwhile, the paper also deeply analyzed the building background, characteristics and interrelation of typical models. At present, the empirical models are mainly used to predict DMI. Even though the parameters are complex and difficult to obtain, the mechanistic models as the quantitative description of mechanism regulation have an important significance. Semi-mechanistic models integrate the characteristics of mechanistic and empirical models, and reflect a new trend of models' development. But the concrete prediction effects of semi-mechanistic models still need further verification. Based on the analysis and summary of DMI models, this paper provides a new idea for carrying out the research in DMI models for dairy cows in China.

Key words： dairy cow; dry matter intake; regulation mechanism; model

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