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This chapter reviews advances in crossbreeding in dairy cattle, focusing specifically on temperate production systems. The chapter begins by first describing the advantages of crossbreeding in a dairy cattle breeding programme, which is then followed by a more in-depth discussion of the variety of crossbreeding systems currently in use. A section on heterosis effects for production, reproduction, survival, health and profitability is also provided. The chapter also provides an overview of combining crossbreeding and selection, then goes on to describe present and future directions for crossbreeding programmes.
- 1 Introduction
- 2 Advantages of crossbreeding
- 3 Crossbreeding systems
- 4 Heterosis effects for production, reproduction, survival, health traits and profitability
- 5 Combining crossbreeding and selection
- 6 Present and future directions for crossbreeding programmes
- 7 Conclusion and future trends in research
- 8 Where to look for further information
- 9 References