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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 phosphorus metabolism.

In this chapter, examples of empirical, kinetic and mechanistic models of phosphorus (P) metabolism in ruminants and monogastric animals, viz. cattle, goats, sheep, horses, pigs and poultry, are discussed. The mechanistic models of P flow in ruminants and monogastric animals described in this...

Author(s)
Kebreab, E.; Vitti, D. M. S. S.; Odongo, N. E.; Dias, R. S.; Crompton, L. A.; France, J.
ISBN
2008 CABI (H ISBN 9781845933548)
Type
Book chapter
CABI Book Chapter Info
Cover for Animal products.

In this chapter, equations for milk yield from dairy cows are discussed, followed by energy utilization efficiency for milk production. The next two sections focus on meat production, body composition and allometry, leading to considerations of growth efficiency. Egg production and the amino acid...

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

This chapter considers simple models for use in animal husbandry. Problems considered are ration formulation, allocation to feeding groups, effects of feeding on milk production and liveweight, pattern of calving and replacement. The chapter focuses on mathematical programming applications, thus...

Author(s)
Thornley, J. H. M.; France, J.
ISBN
2007 CABI (H ISBN 9780851990101)
Type
Book chapter
CABI Book Chapter Info
Cover for Introduction: history, appreciation and future focus.

Author(s)
France, J.
ISBN
2006 CABI Publishing (H ISBN 9781845930059)
Type
Book chapter; Conference paper
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 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 Aspects of energy metabolism and energy partitioning in broiler chickens.

Discussions on the energy requirements and metabolism of broilers, and how these affect their body condition and growth are presented. Also, discussions on the implications for modelling energy requirements are presented.

Author(s)
Lopez, G.; Leeson, S.
ISBN
2008 CABI (H ISBN 9781845933548)
Type
Book chapter
CABI Book Chapter Info
Cover for Development of a dynamic model of calcium and phosphorus flows in layers.

Phosphorus (P) is involved in most metabolic activities of the body as well as in bone formation. P and calcium (Ca) are closely related so that a deficiency in one can interfere with proper utilization of the other. In layers, requirement for dietary P is mainly due to the need to store Ca in...

Author(s)
Dijkstra, J.; Kebreab, E.; Kwakkel, R. P.; France, J.
ISBN
2006 CABI Publishing (H ISBN 9781845930059)
Type
Book chapter; Conference paper
CABI Book Chapter Info
Cover for Dynamic simulation of phosphorus utilization in salmonid fish.

Minimizing phosphorus (P) wastes is a key factor for environmental sustainability of freshwater aquaculture operations. A dynamic model was constructed to simulate P utilization in salmonid fish through digestion, body deposition and excretion into urine and faeces. Dietary P was classified into...

Author(s)
Hua, K.; Cant, J. P.; Bureau, D. P.
ISBN
2006 CABI Publishing (H ISBN 9781845930059)
Type
Book chapter; Conference paper
CABI Book Chapter Info
Cover for Segmented, constrained, non-linear, multi-objective, dynamic optimization methodology applied to the dairy cow ration formulation problem.

In the last meeting of this series of modelling workshops we reported on the development of an optimization scheme for dealing with dairy cow ration formulation, in an optimal way, in the situation where constraints were both non-linear and discontinuous in their arguments. Indeed, we illustrated...

Author(s)
Boston, R. C.; Hanigan, M. D.
ISBN
2006 CABI Publishing (H ISBN 9781845930059)
Type
Book chapter; Conference paper

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