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marker-assisted selection in wheat

marker-assisted selection in wheat

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168Marker-<strong>assisted</strong> <strong>selection</strong> – Current status and future perspectives <strong>in</strong> crops, livestock, forestry and fishSummaryThis chapter reviews the pr<strong>in</strong>ciples, opportunities and limitations for detection ofquantitative trait loci (QTL) <strong>in</strong> livestock and for their use <strong>in</strong> genetic improvementprogrammes. Alternate strategies for QTL detection are discussed, as are methods for<strong>in</strong>clusion of <strong>marker</strong> and QTL <strong>in</strong>formation <strong>in</strong> genetic evaluation. Practical issues regard<strong>in</strong>gimplementation of <strong>marker</strong>-<strong>assisted</strong> <strong>selection</strong> (MAS) for <strong>selection</strong> <strong>in</strong> breed crosses and for<strong>selection</strong> with<strong>in</strong> breeds are described, along with likely routes towards achiev<strong>in</strong>g that goal.Opportunities and challenges are also discussed for the use of molecular <strong>in</strong>formation forgenetic improvement of livestock <strong>in</strong> develop<strong>in</strong>g countries.

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