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Genomic Selection in Dairy Cattle

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Disadvantages<br />

• New method, not fully proven and tested<br />

• Need to genotype a sufficiently large set of<br />

animals for accurate marker estimates<br />

(Daetwyler et al., PLoS One, 2008)<br />

• Lower heritability more records needed<br />

• Marker estimates must be estimated <strong>in</strong><br />

population that they will be used <strong>in</strong><br />

• Across breed accuracy low

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