Article
Investigation of candidate regions influencing litter size in Danish Landrace sows.
Journal of animal science - 1 May 2010
Bjerre D, Mark T, Sørensen P, Proschowsky H F, Vernersen A, Jørgensen C B, Fredholm M
Abstract excerpt
Selection for increased litter size has been one of the main objectives in Danish pig breeding since 1992. This selection has led to an average increase of 0.30 piglets/litter per year for Landrace and Yorkshire sows, resulting in an average litter size of 15.3 piglets born alive in 2007, with an SD of 3.5 piglets. The objective of this study was to investigate differences in identity by state relationships and...
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