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Effect of Ration Preparation on Performance and Occurrence of Ulcers in Growing-finishing Swine
D. L. Ballee
Joseph Hover Stafford
Kirk Leland Athow
M. A. Welch
Mark Curtis Wilson
出版
Purdue University, Agricultural Experiment Station
, 1965
URL
http://books.google.com.hk/books?id=R9RQAQAAMAAJ&hl=&source=gbs_api