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A preliminary comparison of selection by multiple trait culling levels and Best Linear Unbiased Prediction



A preliminary comparison of selection by multiple trait culling levels and Best Linear Unbiased Prediction



Proceedings of the 4th World Congress on Genetics applied to Livestock Production, Edinburgh 23-27 July 1990 XVI Poultry, fish and horse genetics and breeding, growth and reproduction, immune response and disease resistance: 69-72



One generation of selection was used to compare selection using a Multiple Trait Culling Levels (MTCL) procedure and a BLUP procedure based on an animal model. Genetic evaluation involved 14 traits in 6 strains of White Leghorn fowls. There were small but significant genetic gains for most of the selected traits, and some important correlated traits for both procedures. Results of BLUP and MTCL selection differed for body weight, residual feed consumption, egg sp.gr. and Haugh unit score.

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