Use of random regression model as an alternative for multibreed relationship matrix

Summary A random regression model is presented as an approximation for multibreed variance model. The approximation is derived using the splitted multibreed model where the single breeding value is split to the breed specific and their segregation terms. The random regression model allows extending...

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Bibliographic Details
Published in:Journal of animal breeding and genetics (1986) 2013-02, Vol.130 (1), p.4-9
Main Authors: Stranden, I, Maentysaari, E A
Format: Article
Language:English
Subjects:
Admixed populations
Animal breeding
Animals
breed proportions
Breeding
Breeding of animals
Cattle
Data processing
genetic evaluations
Genetics, Population
genomic breeding values
Genomics
mixed model equations
Models, Theoretical
multibreed population
Regression Analysis
Selection, Genetic
Selective breeding
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Summary:Summary A random regression model is presented as an approximation for multibreed variance model. The approximation is derived using the splitted multibreed model where the single breeding value is split to the breed specific and their segregation terms. The random regression model allows extending the multibreed information easily to genomic data models. We present the approach by a simple example.
ISSN:0931-2668
1439-0388
DOI:10.1111/jbg.12014