1.

Record Nr.

UNINA9910823485003321

Titolo

Modelling nutrient utilization in farm animals / / edited by J.P. McNamara, J. France and D.E. Beever

Pubbl/distr/stampa

New York, : CABI Pub., 2000

ISBN

1-280-81196-X

9786610811960

0-85199-937-9

Edizione

[1st ed.]

Descrizione fisica

1 online resource (xvi, 418 pages) : illustrations

Altri autori (Persone)

McNamaraJ. P (John P.)

FranceJ

BeeverD. E

Disciplina

636.0852

Soggetti

Ruminants - Feed utilization efficiency - Mathematical models

Feeds - Evaluation - Mathematical models

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Nota di bibliografia

Includes bibliographical references and index.

Nota di contenuto

Contributors; Preface; Introduction: History and Future of Modelling Nutrient Utilization in Farm Animals; 1 The Role of Thermodynamics in Controlling Rumen Metabolism; 2 Modelling Lipid Metabolism in the Rumen; 3 Towards a More Accurate Representation of Fermentation in Mathematical Models of the Rumen; 4 Simple Allometric Models to Predict Rumen Feed Passage Rate in Domestic Ruminants; 5 Ruminal Metabolism of Buffersoluble Proteins, Peptides and Amino Acids In Vitro; 6 Models to Interpret Degradation Profiles Obtained from In Vitro and In Situ Incubation of Ruminant Feeds

7 Modelling Production and Portal Appearance of Volatile Fatty Acids in Dairy Cows; 8 Modelling Energy Expenditure in Pigs; 9 Aspects of Modelling Kidney Dynamics; 10 Evaluation of a Representation of the Limiting Amino Acid Theory for Milk Protein Synthesis; 11 Multiple-entry Urea Kinetic Model: Effects of Incomplete Data Collection; 12 Evaluation of a Growth Model of Preruminant Calves and Modifications to Simulate Shortterm Responses to Changes in Protein Intake; 13 Simulation of the Development of Adipose Tissue in Beef Cattle; 14 A Simple Nutrient-based Production Model for the Growing Pig



15 Second-generation Dynamic Cattle Growth and Composition Models; 16 Modelling Interactions Between Cow Milk Yield and Growth of its Suckling Calf; 17 A Mechanistic Dynamic Model of Beef Cattle Growth; 18 Modelling Nutrient Utilization in Growing Cattle Subjected to Short or Long Periods of Moderate to Severe Undernutrition; 19 An Integrated Cattle and Crop Production Model to Develop Whole-farm Nutrient Management Plans; 20 Modelling Nutrient Utilization by Livestock Grazing Semiarid Rangeland

21 Using the Cornell Net Carbohydrate and Protein System Model to Evaluate the Effects of Variation in Maize Silage Quality on a Dairy Farm; 22 Challenge and Improvement of a Model of Post-absorptive Metabolism in Dairy Cattle; 23 A Rodent Model of Protein Turnover to Determine Protein Synthesis, Amino Acid Channelling and Recycling Rates in Tissues; 24 Modelling Relationships Between Homoeorhetic and Homoeostatic Control of Metabolism: Application to Growing Pigs; 25 Model for the Interpretation of Energy Metabolism in Farm Animals; 26 Linear Models of Nitrogen Utilization in Dairy Cows

27 Isotope Dilution Models for Partitioning Amino Acid Uptake by the Liver, Mammary Gland and Hindlimb Tissues of Ruminants; 28 The Conversion of a Scientific Model Describing Dairy Cow Nutrition and Production to an Industry Tool: the CPM Dairy Project; 29 The Utilization of Prediction Models to Optimize Farm Animal Production Systems: the Case of a Growing Pig Model; 30 A Pig Model for Feed Evaluation; Index

Sommario/riassunto

This text describes research in modelling nutrient use in farm animals, from cellular to ecosystem level. The chapters are developed from papers presented at a satellite meeting of the 9th International Symposium on Ruminant Physiology, held in South Africa in October 1999.