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Using Expected Progeny Differences (EPDs)
出版University of Kentucky, College of Agriculture, Cooperative Extension Service, 1998
URLhttp://books.google.com.hk/books?id=3f9vzgEACAAJ&hl=&source=gbs_api
註釋"Selecting boars to use within a swine herd is one of the most important decisions a producer must make. The decision is vital to the long- term performance of the herd and should be based on the true genetic merit of the boar, rather than just the eye appeal of the animal"-- Page 1.