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Author: John Rabon Parks
Publisher: Springer
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 352
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Book Description
Ad libitum feeding and growth functions; A stochastic model of animal growth; Treatment of ad libitum feeding and growth data; The Geometry of ad libitum growth curves; Growth response to controlled feeding; The theory; A general euclidean vector representation of mixtures; The effects of diets composition on the growth parameters; The growth parameters and the genetic of growth and feeding; Energy, feeding, and growth.
Author: John Rabon Parks
Publisher: Springer
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 352
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Book Description
Ad libitum feeding and growth functions; A stochastic model of animal growth; Treatment of ad libitum feeding and growth data; The Geometry of ad libitum growth curves; Growth response to controlled feeding; The theory; A general euclidean vector representation of mixtures; The effects of diets composition on the growth parameters; The growth parameters and the genetic of growth and feeding; Energy, feeding, and growth.
Author: John R Parks
Publisher: Springer Science & Business Media
ISBN: 3642683304
Category : Technology & Engineering
Languages : en
Pages : 338
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Book Description
Geoffrey R. Dolby, PhD One of the principal characteristics of a scientific theory is that it be falsifiable. It must contain predictions about the real world which can be put to experimental test. Another very important characteristic of a good theory is that it should take full cognisance of the literature of the discipline in which it is embedded, and that it should be able to explain, at least as well as its competitors, those experimental results which workers in the discipline accept without dispute. Readers of John Parks' book will be left in no doubt that his theory of the feeding and growth of animals meets both of the above criteria. The author's knowledge of the literature of animal science and the seriousness of his attempt to incorporate the results of much previous work into the framework of the present theory result in a rich and imaginative integration of diverse material concerned with the growth and feeding of animals through time, a theory which is made more precise through the judicious use of mathematics. The presentation is such that the key concepts are introduced gradually and readers not accustomed to a mathematical treatment will find that they can appreciate the ideas without undue trauma. The key concepts are clearly illustrated by means of a generous set of figures. The crux of the theory comprises three differential Eqs. (7. 1-7.
Author: John R Parks
Publisher:
ISBN: 9783642683312
Category :
Languages : en
Pages : 344
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Book Description
Author: J.L. Nunez
Publisher: Springer Science & Business Media
ISBN: 3642702562
Category : Science
Languages : en
Pages : 219
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Book Description
A detailed tracing, from acceptable sources, of archaeological and paleontologi cal discoveries made up to the present time leads us to suppose that approximate ly in 8000 y B. C., in Southern Turkestan, man succeeded in domesticating the first cattle, which he later took with him as he migrated from this remote region of Central Asia. Step by step, Europe and Asia have been gradually inhabited by domesticated cattle which have been incorporated into man's economy, both as a source of food and work. The same happened in America and Australasia, continents where cattle were taken by the European colonizing groups during the course of the 16th to the 18th centuries. Possibly the common cattle tick also reached these continents at the same time, accompanying its most frequent host. The cattle tick, Boophilus microplus, parasitizes Asiatic cattle races (with spe cial reference to the zebu, Bos indicus), but generally the level of infestation is not high, only a few engorged females being detected, generally no more than ten. When cattle of European races are infested by Boophilus microplus, how ever, the level of parasitism is higher, sometimes reaching limits incompatible with the life of the host.
Author: National Research Council
Publisher: National Academies Press
ISBN: 030903695X
Category : Technology & Engineering
Languages : en
Pages : 96
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Book Description
How much do animals eat? Why do eating patterns change? How do physiological, dietary, and environmental factors affect feed intake? This volume, a comprehensive overview of the latest animal feed intake research, answers these questions with detailed information about the feeding patterns of fishes, pigs, poultry, dairy cows, beef cattle, and sheep. Equations for calculating predicted feed intake are presented for each animal and are accompanied by charts, graphs, and tables.
Author: Philip Hynd
Publisher: CSIRO PUBLISHING
ISBN: 148630950X
Category : Technology & Engineering
Languages : en
Pages : 417
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Book Description
Nutrition is the key driver of animal health, welfare and production. In agriculture, nutrition is crucial to meet increasing global demands for animal protein and consumer demands for cheaper meat, milk and eggs and higher standards of animal welfare. For companion animals, good nutrition is essential for quality and length of life. Animal Nutrition examines the science behind the nutrition and feeding of the major domesticated animal species: sheep, beef cattle, dairy cattle, deer, goats, pigs, poultry, camelids, horses, dogs and cats. It includes introductory chapters on digestion and feeding standards, followed by chapters on each animal, containing information on digestive anatomy and physiology, evidence-based nutrition and feeding requirements, and common nutritional and metabolic diseases. Clear diagrams, tables and breakout boxes make this text readily understandable and it will be of value to tertiary students and to practising veterinarians, livestock consultants, producers and nutritionists.
Author: Wendy M. Rauw
Publisher: CABI
ISBN: 184593394X
Category : Medical
Languages : en
Pages : 343
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Book Description
This book is about resource allocation matters with the aim to further development thoughts and models on resource allocation applied to livestock production. It contains 18 chapters divided into 4 parts which discuss resources and resource allocation patterns, trade-offs, metabolic constraints to resource allocation and the process of homeorhesis with a special emphasis to homeorhesis during heat stress; the relationship between food intake and resources allocated to body maintenance, growth, reproduction and the immune response; the consequences of high production efficiency in pigs, poultry and dairy cattle and the consequences of improved production by means of biological engineering and options to include resource allocation matters in the breeding objective, animal welfare and in resource allocation modelling.
Author: Cliff A. Adams
Publisher: Context Products
ISBN: 9781899043590
Category :
Languages : en
Pages : 248
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Book Description
Following the success of Nutricines, the author considers the practical implications and implementation of the theories laid out therein. The strategic use of a wide variety of disease avoidance and health maintenance measures will contribute to an improved and more acceptable system of animal production without the use of antibiotic growth promoters. Contents Problems of perception: animal production, food safety and public health Virtues of cleanliness: feed quality and hygiene Eating to live: voluntary feed intake Raw material processing: digestion and absorption of nutrients Struggle for supremacy: management of the gastrointestinal tract External enemies: immune system and defence in a dangerous world The enemy within: non-infectious diseases and oxidative stress Monitoring performance: assessment of total nutrition and feeding standards Difficult demands: safe food, low cost, ethical issues, environmental impact Index
Author: J. France
Publisher: CABI
ISBN: 1845933540
Category : Technology & Engineering
Languages : en
Pages : 588
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Book Description
The primary purpose of each of the subsequent chapters of this book is to promulgate quantitative approaches concerned with elucidating mechanisms in a particular area of the nutrition of ruminants, pigs, poultry, fish or pets. Given the diverse scientific backgrounds of the contributors of each chapter (the chapters in the book are arranged according to subject area), the imposition of a rigid format for presenting mathematical material has been eschewed, though basic mathematical conventions are adhered to.
Author: R.L. Baldwin
Publisher: Springer Science & Business Media
ISBN: 9780412591600
Category : Medical
Languages : en
Pages : 600
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Book Description
Role of mminants in human food production; Whyan animal scientist would choose to model animal systems; Basic organization of this book; Modeling principIes and terminology; Classification of models; Objectives in modeling; The modeling process I objective statements, block diagrams, equation forms and parameterization; Steps in modeling; Setting the modeling objective; Block diagrams; Formulation of mathematical statements; Development of numerical inputs; The modeling process II - solution algorithms, model evaluations and parameter estimation; Model solution algorithms; Evaluation of management and research models; Evaluation and use of analytical models for parameter estimation; Decision support software; Animal energetic models; Thermodynamic concepts in nutrition; Historical development of bases for feeding system models; Energy requirements for maintenance and production; Equations used to estimate maintenance and costs of production; Components of maintenanace; Protein and amino acid models; Current protein and amino acid systems; Analytic models of amino aicd and protein metabolism; Dynamic modeling; Biology and algebraic models of ruminant digestion; The rumen microbes and their metabolism; Balance models of ruminant digestion; An analytical model of rumen digestion; Microbial growth elements; Biology and algebraic models of growth; Classical equations for growth; Nutritional models of growth; Concepts of lhe basic biology of growth used in mechanistic models; Biology of lactation; Decent evolution of feeding systems for lactating dairy cattle; An analytical model of nutrient transactions during lactation; Dynamic models of ruminant digestion; Early dynamic models; Current dynamic models; Dynamic models of ruminant adipose tissue metabolism; Evolution of steady-state balance model; Radioisotope tracer elemets; Dynamic models of ruminant mammary metabolism; Development of model inputs and initial parameters; Descriptions of a model of mammary gland metabolism; Dynamic models of liver and viscera metabolism; Overall structure and notation; Mechanistic, dynamic models of growth; Beef growth models; Sheep growth and metabolism model; Lactation Background on MOLL Y. CSL; The program MOLL Y. CSL; Evaluation and use of a growth and lactation model; Behavioral analyses; Sensitivity analyses; Bioeconomic analyse.
