A general compartmental model for interpreting gas production profiles

被引：26

作者：

France, J ^{[1
]}

Lopez, S

Kebreab, E

Bannink, A

Dhanoa, MS

Dijkstra, J

机构：

[1] Univ Guelph, Ctr Nutr Modelling, Dept Anim & Poultry Sci, Guelph, ON N1G 2W1, Canada

[2] Univ Leon, Dept Anim Prod, Leon 24007, Spain

[3] Univ Wageningen & Res Ctr, Anim Sci Grp, NL-8200 AD Lelystad, Netherlands

[4] Inst Food Res, Inst Grassland & Environm Res, Aberystwyth SY23 3EB, Dyfed, Wales

[5] Univ Wageningen & Res Ctr, Inst Anim Sci, Anim Nutr Grp, NL-6709 PG Wageningen, Netherlands

来源：

ANIMAL FEED SCIENCE AND TECHNOLOGY | 2005年 / 123卷

关键词：

Gompertz; Morgan; Mitscherlich; Michaelis-Menten; sigmoidal;

D O I：

10.1016/j.anifeedsci.2005.04.038

中图分类号：

S8 [畜牧、动物医学、狩猎、蚕、蜂];

学科分类号：

0905 ;

摘要：

Equations to describe gas production profiles, obtained using manual or automated systems for in vitro fermentation of ruminant feeds, are derived from first principles using a general compartmental model. The underlying pools represented are the potentially degradable and undegradable feed fractions, and accumulated gases. Equations derived and investigated mathematically include a Gompertz equation. They were obtained by allowing the fractional rate of degradation to vary with time. The equations permit the extent of ruminal degradation, and hence the supply of microbial protein to the duodenum, to be evaluated thereby linking the gas production technique to animal production. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：473 / 485

页数：13

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