J. Anim Sci.
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J. Anim Sci. 1958. 17:410-415.
© 1958 American Society of Animal Science
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The Vitamin D Content of Roughages

G. C. Wallis1, G. H. Kennedy2 and Roy H. Fishman1

Agricultural Experiment Stations of Florida, Illinois, Kansas, Michigan, New York, North Carolina, South Dakota, Texas, and Washington and and The California State Polytechnic College

Abstract

The vitamin D content has been determined in 65 roughage samples including sun-cured hay, mow-cured hay, winter range grass, fodder, silage and artificially dehydrated roughages. The results show that wide and unpredictable variations occur in the vitamin D content of roughages.

Sun-cured hay varied from 70 to 1440 units per pound; mow-cured hay, 160 to 790; winter range grass, 270 to 890; fodder 200 to 250; silage (wet basis) 70 to 110; and artificially dehydrated roughages 80 to 280 units per pound.

Footnotes

1 Standard Brands Incorporated, New York, N. Y.

2 329 Orchard Road, Newark, Delaware; present address, Statistics Branch, AS Division, Fort Detrick, Frederick, Md.






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Copyright © 1958 by the American Society of Animal Science.