出版日期

结果 1-10 的 18




A comparison of high and low protein corn for growing-fattening swine

1951

Dobbins, Fred Albert

National Agricultural Library - United States of America

Distillers' dried solubles as a protein supplement for growing and fattening hogs in drylot

1951

Wilford, E. J. (Edward James) | Garrigus, W. P. (Wesley Patterson) | Barnhart, C. E. (Charles Elmer)

National Agricultural Library - United States of America