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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 Plant and crop processes.

This paper discusses the principal processes needed for the development of plant and crop models. Its aim is to give an account of the themes which a crop modeller is likely to need, and at the same time give a critical appraisal of the state of the art. Careful evaluation of the assumptions of a...

Author(s)
Thornley, J. H. M.; France, J.
ISBN
2007 CABI (H ISBN 9780851990101)
Type
Book chapter
CABI Book Info
Cover for Nutrient digestion and utilization in farm animals: modelling approaches.

This book contains 34 chapters on nutrition physiology and presents scientific research in modelling nutrient digestion and utilization in domestic animals, including cattle, sheep, pigs, poultry and fishes. It is divided into 6 parts that cover fermentation, absorption and passage; growth and...

Author(s)
Kebreab, E.; Dijkstra, J.; Bannink, A.; Gerrits, W. J. J.; France, J.
ISBN
2006 CABI Publishing (H ISBN 9781845930059)
Type
Book; Conference proceedings
CABI Book Chapter Info
Cover for Kinetic models for the study of phosphorus metabolism in ruminants and monogastrics.

This chapter describes the use of the isotope dilution technique and models to study phosphorus metabolism in livestock.

Author(s)
France, J.; Dias, R. S.; Kebreab, E.; Vitti, D. M. S. S.; Crompton, L. A.; Lopez, S.
ISBN
2010 CABI (H ISBN 9781845936266)
Type
Book chapter
CABI Book Chapter Info
Cover for Models to interpret degradation profiles obtained from <i xmlns="http://www.w3.org/1999/xhtml">in vitro</i> and <i xmlns="http://www.w3.org/1999/xhtml">in situ</i> incubation of ruminant feeds.

Degradation kinetic parameters are usually estimated from degradation profiles obtained using the polyester bag technique or the gas production technique. Models to describe either in situ disappearance curves or gas production profiles were derived from first principles by considering simple...

Author(s)
López, S.; France, J.; Dijkstra, J.; Dhanoa, M. S.
ISBN
2000 CABI (H ISBN 9780851994499)
Type
Book chapter
CABI Book Chapter Info
Cover for Scientific progress and mathematical modelling: different approaches to modelling animal systems.

This chapter describes science and its progression, the role of and practice of mathematical modelling and the different approaches to modelling animal systems. This is done with particular reference to animal science, with examples from poultry and pigs. A key paradigm from each of the 3 branches...

Author(s)
France, J.; Dijkstra, J.
ISBN
2006 CABI (H ISBN 9781845930707)
Type
Book chapter; Conference paper
CABI Book Chapter Info
Cover for Second-generation dynamic cattle growth and composition models.

Establishing effective strategies for future improvement of beef production requires integration of knowledge of genetics, nutrition and economics to optimize quality and quantity of beef produced. Failure to achieve an effective strategy negatively impacts on sustainability of both land and market ...

Author(s)
Oltjen, J. W.; Pleasants, A. B.; Soboleva, T. K.; Oddy, V. H.
ISBN
2000 CABI (H ISBN 9780851994499)
Type
Book chapter
CABI Book Chapter Info
Cover for Modelling interactions between cow milk yield and growth of its suckling calf.

A simple mechanistic model of the relationship between cow milk production and suckling calf growth is described. In this model, milk secretion of the mammary gland is regulated through the amount of milk currently present in the udder (short-term regulation) and through the amount of the...

Author(s)
Blanc, F.; Agabriel, J.; Sabatier, P.
ISBN
2000 CABI (H ISBN 9780851994499)
Type
Book chapter
CABI Book Chapter Info
Cover for Prediction of energy supply in ruminants, with emphasis on forages.

This review focuses upon developments in energy evaluation of feeds, particularly forages, with attention given to the role of in sacco and in vitro methods, in combination with mechanistic mathematical modelling, in predicting energy supply to the animal.

Author(s)
López, S.; Dijkstra, J.; France, J.
ISBN
2000 CABI Publishing (H ISBN 9780851993447)
Type
Book chapter
CABI Book Chapter Info
Cover for Modelling nutrient utilization in growing cattle subjected to short or long periods of moderate to severe undernutrition.

In the semiarid tropics rainfall is seasonal and varies widely between years. Consequently, grazing animals are subjected to short or long periods of moderate to severe undernutrition. Undernutrition in young ruminants affects their chances for survival and the time required to reach the weight and ...

Author(s)
Witten, G. Q.; Richardson, F. D.
ISBN
2000 CABI (H ISBN 9780851994499)
Type
Book chapter
CABI Book Chapter Info
Cover for Modelling nutrient utilization by livestock grazing semiarid rangeland.

Planning and management of rangeland production systems are difficult as rainfall, forage production and composition and animal productivity all vary widely between years, between regions and within landscapes. Furthermore, behaviour of the system in a specific year may be influenced by conditions...

Author(s)
Richardson, F. D.; Hahn, B. D.; Schoeman, S. J.
ISBN
2000 CABI (H ISBN 9780851994499)
Type
Book chapter

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