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The use of molecular genetic information in genetic improvement programmes for pigs

Code: 9781838795030
Publication date: 18/10/2017
Extent: 24 pages

Contributions by: Jack C. M. Dekkers, Iowa State University, USA

Chapter synopsis: Genetic improvement of pigs has been achieved by selection of individuals for breeding based on estimated breeding values (EBV), derived using phenotypes for important traits. Ideally, phenotypes on the individual itself and its relatives are utilized in order to obtain the most accurate estimate of the breeding value of the individual. However, there are multiple challenges and limitations associated with these phenotype-based programs. Many of these can be overcome by using molecular information to help predict breeding values and inform selection decisions. This chapter describes how molecular genetic information can be used to enhance selection programs in pigs, what is required to develop such information, and what strategies are available for the use of molecular information in breeding programs. Example cases, challenges and future prospects are also reviewed.

DOI: 10.19103/AS.2017.0013.03
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Table of contents 1 Introduction 2 The black box of quantitative genetics for phenotype-based breeding programmes 3 The principle of using molecular information for genetic improvement 4 The use of molecular information in selection: genetic tests 5 Phenotyping and genotyping requirements for genomic selection (GS) or marker-assisted selection (MAS) 6 Other benefits of molecular information for swine breeding programmes 7 Summary 8 Future prospects and challenges 9 Where to look for further information 10 References

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