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All Creators
Dunbar, Robert Standish, 1921-
Remove constraint All Creators: Dunbar, Robert Standish, 1921-
All Creators
McLaren, G. A.
Remove constraint All Creators: McLaren, G. A.
All Creators
Welch, J. A. (James A.)
Remove constraint All Creators: Welch, J. A. (James A.)
All Subjects
Ruminants--Feeding and feeds.
Remove constraint All Subjects: Ruminants--Feeding and feeds.
All Subjects
Urea.
Remove constraint All Subjects: Urea.
Subject Topical
Ruminants--Feeding and feeds.
Remove constraint Subject Topical: Ruminants--Feeding and feeds.
Subject Topical
Ruminants--Physiology.
Remove constraint Subject Topical: Ruminants--Physiology.
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