|Author:||Parnam, D. C.|
|Title:||Ineffectiveness of Internal Medication of Poultry for the Control of External Parasites.|
|Publication info:||Beltsville, MD: U.S. Department of Agriculture, National Agricultural Library, Alternative Farming Systems Information Center
|Rights/Permissions:||Works produced by employees of the U.S. Government as part of their official duties are not copyrighted within the U.S.|
Ineffectiveness of Internal Medication of Poultry for the Control of External Parasites.
Parnam, D. C.
Washington DC: : United States Department of Agriculture, February 1928
L820 Pests of Animals (General)
disease and pest management
animal parasites and pests