U.S. flag

An official website of the United States government

NALDC

Main content area

Meeting the Vitamin D Requirement of Pigs With Alfalfa Hay and Winter Sunshine


Author:
Johnson, D.W. and Palmer, L.S.
Source:
USDA
Year:
1941
Format:
p. 639-648.
Language:
English
Collection:
USDA publications
Permanent URL:
http://handle.nal.usda.gov/10113/IND43969561