Read e-book online A Quantitative Biology of the Pig PDF

By Llias Kyriazakis

ISBN-10: 0851992730

ISBN-13: 9780851992730

A large number of qualitative details has been collected on many facets of pig biology over fresh years, in parts reminiscent of genetics, development and body structure, and welfare. it really is now well known that there's a have to use those info as a foundation for the advance of quantitative types, on the way to extra enhance functionality and productiveness. This has been completed in a few parts, particularly body structure, yet no prior test at bringing jointly and integrating this fabric has been made. This ebook, written by way of prime researchers from Europe, the united states and Australasia, fills that hole. It starts off with descriptions of the animal, its feed and its atmosphere. specialists then speak about the most recent mechanistic mathematical types which describe specific physiological tactics and take note of the most exterior impacts. the gathering concludes with a overview of the benefits and implications of a quantitative method of pig biology. the information awarded can be crucial examining for animal scientists, rather utilized physiologists, with an energetic curiosity in pigs and also will have relevance to investigate on different cattle.

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Extra resources for A Quantitative Biology of the Pig

Example text

G. and Kanis, E. (1994) Selection for efficiency of lean tissue deposition in pigs. , Wiseman, J. A. (eds), Principles of Pig Science. Nottingham University Press, Nottingham, pp. 23–41. C. L. (1987) The relationship between energy intake and nitrogen balance in the growing pig. F. J. (eds), Energy Metabolism of Farm Animals. Rowman & Littlefield, Beltsville. European Association for Animal Production 32, 110–113. W. (1974) Effects of a cold environment and growth rate on reproductive efficiency in gilts.

Conclusions Vastly different performance testing and selection programmes have resulted in substantially different genetic populations of pigs. To understand the biological changes made as a result of selection, genetic evaluation must be directed towards quantifying the underlying biological traits. The biological parameters needed to define pig growth are protein accretion potentials, lipid accretion potentials, partitioning of energy between protein and lipid growth, energy requirements for maintenance and energy intake potentials.

University of Nottingham Press, Nottingham, UK, pp. 133–169. P. (1994b) The minimum number of traits for an accurate description of growth. In: Proceedings 5th World Congress on Genetics Applied to Livestock Production, vol. University of Guelph, Guelph, Canada, pp. 177–184. P. M. (1996) Characterization of growth parameters needed as inputs for pig growth models. Journal of Animal Science 74, 2021–2036. A. R. (1983) Testicular growth in boars of different genetic lines and its relationship to reproductive performance.

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A Quantitative Biology of the Pig by Llias Kyriazakis


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