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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 Evaluation of a growth model of preruminant calves and modifications to simulate shortterm responses to changes in protein intake.

Recently, a mechanistic simulation model was developed which integrates protein and energy metabolism of preruminant calves of 80 to 240 kg live-weight (LW). The model can be used to predict the rate of gain of weight, protein and fat from nutrient input. A serial slaughter experiment was conducted ...

Author(s)
Gerrits, W. J. J.; Togt, P. L. van der; Dijkstra, J.; France, J.
ISBN
2000 CABI (H ISBN 9780851994499)
Type
Book chapter
CABI Book Chapter Info
Cover for Compartmental models of protein turnover to resolve isotope dilution data.

In this chapter, the applications in the animal sciences of dynamic modelling, based on the rate:state formalism, with Type I solutions are illustrated. This chapter deals with modelling animal processes, i.e. specific components or functions of an individual organ or tissue (or whole organism)....

Author(s)
Crompton, L. A.; France, J.; Dias, R. S.; Kebreab, E.; Hanigan, M. D.
ISBN
2008 CABI (H ISBN 9781845933548)
Type
Book chapter
CABI Book Chapter Info
Cover for Mathematical representation of the partitioning of retained energy in the growing pig.

The focus of this review is the assessment of calculation rules to represent the partitioning of retained energy between body protein deposition (Pd) and lipid deposition (Ld) when Pd is driven by energy intake. During this energy-dependent phase, Pd is not limited by the animals' upper limit to Pd ...

Author(s)
Lange, C. F. M. de; Morel, P. C. H.; Birkett, S. H.
ISBN
2008 CABI (H ISBN 9781845933548)
Type
Book chapter
CABI Book Chapter Info
Cover for Animal processes.

This chapter considers some simple compartmental models of animal processes, with reference to ruminants. The processes described are protein synthesis in tissues and the whole body, volatile fatty acid production by rumen microbes, life-cycle dynamics of rumen fungi, leucine kinetics in the udder, ...

Author(s)
Thornley, J. H. M.; France, J.
ISBN
2007 CABI (H ISBN 9780851990101)
Type
Book chapter
CABI Book Chapter Info
Cover for Whole-animal models.

This chapter describes compartmental models which simulate whole-animal function. The animals considered are the veal calf, the lactating dairy cow, the pig and the lactating sow. Essentially, the models are expressions of the rate:state formalism, but, as in the previous chapter, they are...

Author(s)
Thornley, J. H. M.; France, J.
ISBN
2007 CABI (H ISBN 9780851990101)
Type
Book chapter
CABI Book Info
Cover for Quantitative aspects of ruminant digestion and metabolism.

This book aims to bring together the quantitative approaches concerned with elucidating mechanisms used in the study of ruminant digestion, metabolism and related areas from different contributing practitioners, experts and scientists. A great deal of research had been carried out on the digestive...

Author(s)
Dijkstra, J.; Forbes, J. M.; France, J.
ISBN
2005 CABI Publishing (H ISBN 9780851998145)
Type
Book
CABI Book Chapter Info
Cover for Efficiency of amino acid utilization in simple-stomached animals and humans - a modelling approach.

The objective of this contribution is to describe how early attempts on modelling dietary nitrogen and amino acid metabolism in simple-stomached animals from a causal perspective led to a systematic approach to protein metabolism research. On the one hand, models reduce complex systems down into...

Author(s)
Moughan, P. J.
ISBN
2008 CABI (H ISBN 9781845933548)
Type
Book chapter
CABI Book Chapter Info
Cover for Assessment of protein and amino acid requirements in adult mammals, with specific focus on cats, dogs and rabbits.

Understanding a comparative approach to protein and amino acid requirements necessitates information on: (1) the animals' natural food preferences; (2) differences in digestive anatomy and physiology; (3) differences in protein and amino acid metabolism; and (4) details on the experimental design...

Author(s)
Shoveller, A. K.; Atkinson, J. L.
ISBN
2008 CABI (H ISBN 9781845933548)
Type
Book chapter
CABI Book Chapter Info
Cover for Simulation exercises for animal science MSc students: rumen digestion and pig growth.

The objective of this chapter is to provide two complete teaching modules for MSc students of animal science (in Wageningen University, The Netherlands) with minimal background in modelling, but knowledge in animal nutrition at the BSc level. In working through the first module, students will...

Author(s)
Gerritis, W. J. J.; Kebreab, E.; Kramer, M. R.; Dijkstra, J.
ISBN
2008 CABI (H ISBN 9781845933548)
Type
Book chapter
CABI Book Chapter Info
Cover for Representation of fat and protein gain at low levels of growth and improved prediction of variable maintenance requirement in a ruminant growth and composition model.

We have refined a prediction system for ruminant animal growth and composition developed previously. The model represents body protein in two pools: viscera and non-viscera (muscle). Using sheep data-sets, we have simplified the adjustments in the model for protein gain and loss of body fat at near ...

Author(s)
Oltjen, J. W.; Sainz, R. D.; Pleasants, A. B.; Soboleva, T. K.; Oddy, V. H.
ISBN
2006 CABI Publishing (H ISBN 9781845930059)
Type
Book chapter; Conference paper

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