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Advances in sheep breeding
About This Book
This chapter summarises early developments in sheep breeding programmes, with the main emphasis on the Australian industry. It will examine common current breeding practices such as objective trait measurement, flock genetic evaluation and the development of breeding objectives based on rational economic analysis. The chapter shows that breeding programmes for dairy, meat and wool sheep differ in how well the main breeding objective traits can be measured on breeding animals. This has a major impact on the rate of genetic progress that can be achieved as well as on the economic sustainability of technologies such as progeny testing, artificial insemination and genomic selection. The chapter mainly focuses on wool and meat sheep breeding programmes, with a discussion on the implementation and adoption of genetic evaluation systems, the development of breeding objectives and the recent developments towards uptake of genomic selection.
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Table of contents
- 1 Introduction
- 2âEarly sheep breeding programmes: the case of Australia
- 3âGenetic evaluation systems in sheep breeding
- 4âCross-breeding of sheep
- 5âUse of new technologies in sheep breeding
- 6âGenomic selection of sheep
- 7âSheep breeding objectives and target traits
- 8âFuture trends and conclusion
- 9âWhere to look for further information
- 10âReferences