Some effects of various levels and ratios of calcium and phosphorus in the rations of dairy cows
By: by Roger Garrett Sprowls.
Published: 1956
Language: eng
Number of pages: 84
Subjects: Dairy cattle -- Feeding and feeds.; Calcium.; Phosphorus.
Notes: Typescript.

Thesis (M.S.)--Oregon State College, 1956.

Bibliography: leaves 79-84.