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Progress of the Breed
Richard Henry Mansfield
其他書名
The History of U.S. Holsteins
出版Holstein-Friesian World, 1985
主題Technology & Engineering / Agriculture / Animal Husbandry
ISBN09614711079780961471101
URLhttp://books.google.com.hk/books?id=39oqAQAAMAAJ&hl=&source=gbs_api
註釋Chronicles the success story of the U.S. Holsteins using classification, production testing, and genetic evaluation. Recounts some of the people who made these achievements possible.