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CAB eBooks

Ebooks on agriculture and the applied life sciences from CAB International

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CABI Book Chapter Info
Cover for Modelling production and portal appearance of volatile fatty acids in dairy cows.

Values of stoichiometric coefficients were estimated to describe the production of volatile fatty acids (VFA) from fermented substrate in the rumen of lactating cows. Coefficient estimates were derived by regression of in vivo data of rumen digestion to a stoichiometric model with non-linear...

Author(s)
Bannink, A.; Kogut, J.; Dijkstra, J.; France, J.; Tamminga, S.; Vuuren, A. M. van
ISBN
2000 CABI (H ISBN 9780851994499)
Type
Book chapter
CABI Book Chapter Info
Cover for Modelling protozoal metabolism and volatile fatty acid production in the rumen.

The aim of this chapter is to describe two key aspects in the supply of absorbed nutrients, i.e. the quantitative representation of protozoal metabolism, and the quantitative representation of volatile fatty acid production in the rumen.

Author(s)
Dijkstra, J.; Kebreab, E.; France, J.; Bannink, A.
ISBN
2008 CABI (H ISBN 9781845933548)
Type
Book chapter
CABI Book Chapter Info
Cover for Basic biological processes.

All significant processes in agriculture are either chemical or biochemical conversions or transport. Mathematical descriptions of these processes are therefore relevant to models. Control of metabolism is an important issue. This can occur at the genetic level via the induction or repression of...

Author(s)
Thornley, J. H. M.; France, J.
ISBN
2007 CABI (H ISBN 9780851990101)
Type
Book chapter
CABI Book Chapter Info
Cover for Metabolic regulation.

Author(s)
Vernon, R. G.
ISBN
2005 CABI Publishing (H ISBN 9780851998145)
Type
Book chapter
CABI Book Chapter Info
Cover for Evaluation of a representation of the limiting amino acid theory for milk protein synthesis.

A model describing amino acid (AA) metabolism by the mammary glands of the lactating cow has been constructed (Hanigan et al., 2000a). Milk protein production was predicted using a mathematical procedure to determine which among histidine (His), lysine (Lys), methionine (Met), threonine (Thr) and...

Author(s)
Hanigan, M. D.; France, J.; Crompton, L. A.; Bequette, B. J.
ISBN
2000 CABI (H ISBN 9780851994499)
Type
Book chapter
CABI Book Chapter Info
Cover for The dilemma in models of intake regulation: mechanistic or empirical.

In this review, a simple mechanistic model of forage intake, based on the interaction between physical and metabolic mechanisms of intake, is examined as an example of how mechanistic approaches advance the understanding of animal nutrition and help devise new means of manipulating intake. The...

Author(s)
Poppi, D. P.
ISBN
2008 CABI (H ISBN 9781845933548)
Type
Book chapter
CABI Book Chapter Info
Cover for The prediction of the consequences of pathogen challenges on the performance of growing pigs.

The purpose of this chapter is to develop a general framework that will enable progress to be made in our ability to predict pig performance in the presence of infectious stressors. Focus is given on subclinical infection, i.e. infection that does not lead to clear signs of disease other than a...

Author(s)
Kyriazakis, I.; Sandberg, F. B.; Brindle, W.
ISBN
2008 CABI (H ISBN 9781845933548)
Type
Book chapter
CABI Book Chapter Info
Cover for Factors regulating feed efficiency and nutrient utilization in beef cattle.

Approaches used to measure feed efficiency and nutrient utilization in beef cattle are reviewed; also, the potential regulatory factors important in regulating efficiency and the potential approaches to improve the efficiency of nutrient utilization in beef cattle are described and discussed.

Author(s)
Swanson, K.; Miller, S.
ISBN
2008 CABI (H ISBN 9781845933548)
Type
Book chapter
CABI Book Chapter Info
Cover for A kinetic model of phosphorus metabolism in growing sheep.

Research in Brazil has been carried out to study phosphorus (P) metabolism in ruminants, by using the isotope dilution technique. The purpose of this study was to use data from balance and kinetic experiments to solve a kinetic model of P metabolism in growing sheep fed with different diets. During ...

Author(s)
Dias, R. S.; Roque, A. R.; Nascimento Filho, V. F.; Vitti, D. M. S. S.; Bueno, I. C. S.
ISBN
2006 CABI Publishing (H ISBN 9781845930059)
Type
Book chapter; Conference paper
CABI Book Chapter Info
Cover for Metabolic control: improvement of a dynamic model of lactational metabolism in early lactation.

A mechanistic, dynamic model of metabolism exists to allow testing of complex hypotheses on nutrient metabolism of the dairy cow. The model describes protein synthesis and degradation in the viscera and muscle, lipogenesis and lipolysis in the adipose tissue, and milk synthesis. It is dynamic,...

Author(s)
McNamara, J. P.
ISBN
2006 CABI Publishing (H ISBN 9781845930059)
Type
Book chapter; Conference paper

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