Conclusion

Mapping a large fraction of the QTL responsible for genetic variation in the traits of economic importance in farm animals and identifying the QTG underlying the mapped QTL are now the major challenges for farm animal genetics. The ultimate goal is to anchor 80% of the genetic variation in the traits of economic importance to specific QTL and QTG. Success in this will greatly increase our understanding of the molecular physiology of production traits, and our ability to achieve rapid and cost-effective genetic improvement.

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