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Holstein: the Bull Starts and Finishes Right Here!

Frank Edward Singer

出版	CreateSpace Independent Publishing Platform, 2012-03-16
主題	Nature / Animals / Mammals
ISBN	14701992119781470199210
URL	http://books.google.com.hk/books?id=VSnajgEACAAJ&hl=&source=gbs_api

註釋

The author's own detailed description of how he developed a method of training bulls and cows so that they are easy to handle. With this method, farmers need not fear being kicked or killed by their dairy animals.