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Ineffectiveness of internal medication of poultry for the control of external parasites


Author:
Parman, D. C.
Source:
Technical bulletin / United States Department of Agriculture 1928
Year:
1928
Subject:
Poultry -- Parasites -- Control
Format:
24 p. : ill. ; 23 cm.
Publisher:
U.S. Dept. of Agriculture
Collection:
Organic Roots Collection