Likelihood ratio test

Comparison of different models to estimate genetic parameters for carcass traits in a commercial broiler line

J. L. B. M. Grosso, Balieiro, J. C. C., Eler, J. P., Ferraz, J. B. S., Mattos, E. C., and T. Filho, M., Comparison of different models to estimate genetic parameters for carcass traits in a commercial broiler line, vol. 9, pp. 908-918, 2010.

The effect of genetic and non-genetic factors for carcass, breast meat and leg weights, and yields of a commercial broiler line were investigated using the restricted maximum likelihood method, considering four different animal models, including or excluding maternal genetic effect with covariance between direct and maternal genetic effects, and maternal permanent environmental effect. The likelihood ratio test was used to determine the most adequate model for each trait.

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