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Published online by Cambridge University Press: 22 November 2017
There are several different models for describing the nutrient ruminal degradation of feeds. The use of a particular model in fitting a given degradability data set and estimating the degradability parameters implies the holistic examination of model goodness-of-fit, otherwise the validity of estimated parameters may be controvertible. One of the criteria for evaluating goodness-of-fit is model behaviour analysis. In the present work, the behaviour of a first-order model when fitting whole soybean ruminal degradability data was investigated.