An Approach to Pig Growth Modeling

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Abstract
Modeling is proposed as an essential part of scientific method, as well as a means of placing the results of biological experimentation into an economic framework. The type of information used in models should, where possible, be deductive in nature rather than empirical; by this means models best retain flexibility and allow effective forward prediction and response simulation. Choice of assumptions in relation to early growth is crucial to growth modeling; it is suggested that young pigs may grow considerably faster in early life than most empirical evidence suggests. Nutrition is identified as the major controlling force in the rate and composition of both early and subsequent growth, and a general linear/plateau hypothesis for lean and fatty tissue growth is supported. Copyright © 1986. American Society of Animal Science . Copyright 1986 by American Society of Animal Science.

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