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- Ruminants--Feeding and feeds.1
- Ruminants--Physiology.✖[remove]1
- Urea.1
- Anderson, G. C. (Gerald Clifton), 1920-1
- Dunbar, Robert Standish, 1921-1
- McLaren, G. A.1
- Smith, G. B.1
- Welch, J. A. (James A.)✖[remove]1
- Anderson, G. C. (Gerald Clifton), 1920-1
- Dunbar, Robert Standish, 1921-1
- McLaren, G. A.1
- Smith, G. B.1
- Welch, J. A. (James A.)✖[remove]1