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Lactation Performance and Rumen Fermentation of Dairy Cows Fed a Slow Release Urea and Microbial Fermentation Extracts Supplement

Fernando Diaz-Royon

出版	Dairy Science Department, South Dakota State University, 2014
URL	http://books.google.com.hk/books?id=p7GHrgEACAAJ&hl=&source=gbs_api