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Courtesy of UC Davis, University Archives
http://www.oac.cdlib.org/ark:/13030/kt7r29s12f/?order=1
Title:
Raggi, Livio G., right, of the poultry pathology staff, is shown talking to a group at the 1956 University of California Poultry Institute at Davis. Raggi and Ralph E. Pfost, left, Fresno County farm advisor, demonstrated vaccination techniques.
Date:
1956
Contributing Institution:
UC Davis, University Archives