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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 Mathematical modelling in animal nutrition - introduction.

The role and practice of mathematical modelling with regard to animal nutrition and growth are discussed; also, an overview of the different mathematical approaches that may be adopted in this respect is presented.

Author(s)
France, J.; Kebreab, E.
ISBN
2008 CABI (H ISBN 9781845933548)
Type
Book chapter
CABI Book Chapter Info
Cover for A model to simulate the effects of different dietary strategies on the sustainability of a dairy farm system.

A new model is being developed to study the main elements that affect sustainability within a dairy farm by using multiple goal programming. In this work, we describe the main characteristics of this modelling approach and we evaluate, via optimization, the effect of different dietary strategies...

Author(s)
Prado, A. del; Scholefield, D.; Brown, L.
ISBN
2006 CABI Publishing (H ISBN 9781845930059)
Type
Book chapter; Conference paper
CABI Book Chapter Info
Cover for Simulation of rumen particle dynamics using a non-steady state model of rumen digestion and nutrient availability in dairy cows fed sugarcane.

An extant dynamic model of digestion and absorption of nutrients in cattle fed sugarcane was adapted for non-steady state feeding conditions. This modified model includes mechanisms of particle size reduction and delay in availability of particles and intracellular contents for microbial...

Author(s)
Collao-Saenz, E. A.; Bannink, A.; Kebreab, E.; France, J.; Dijkstra, J.
ISBN
2006 CABI Publishing (H ISBN 9781845930059)
Type
Book chapter; Conference paper
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 Interesting simple dynamic growth models.

This paper illustrates the consequences of various biological assumptions in leading to models which may be valuable in phenomenological or semi-empirical nutritional studies in animals. Some of these simple models are extensions of growth models, such as analytical models of delayed growth and...

Author(s)
Thornley, J. H. M.
ISBN
2008 CABI (H ISBN 9781845933548)
Type
Book chapter
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 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 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 Modelling the effects of environmental stressors on the performance of growing pigs: from individuals to populations.

A simulation model that predicts the performance of a population of growing pigs when raised under given dietary, physical and social environmental conditions has been constructed. The aim was to investigate through the model the impact of between-animal variation on the response of a population to ...

Author(s)
Wellock, I. J.; Emmans, G. C.; Kyriazakis, I.
ISBN
2006 CABI Publishing (H ISBN 9781845930059)
Type
Book chapter; Conference paper

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