Article
Genome-wide prediction of age at puberty and reproductive longevity in sows.
Animal genetics - 1 Aug 2013
Tart J K, Johnson R K, Bundy J W, Ferdinand N N, McKnite A M, Wood J R, Miller P S, Rothschild M F, Spangler M L, Garrick D J, Kachman S D, Ciobanu D C
Abstract excerpt
Traditional selection for sow reproductive longevity is ineffective due to low heritability and late expression of the trait. Incorporation of DNA markers into selection programs is potentially a more practical approach for improving sow lifetime productivity. Using a resource population of crossbred gilts, we explored pleiotropic sources of variation that influence age at puberty and reproductive longevity. Of...
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