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Influence of Dietary Protein Level on Performance and Carcass Traits of Swine

Otho M. HaleJoseph Calbert JohnsonByron Lester Southwell

出版	University of Georgia, College of Agriculture Experiment Stations, 1967
URL	http://books.google.com.hk/books?id=YMUwzgEACAAJ&hl=&source=gbs_api