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Insecticides Tested to Control Face Fly at Beltsville
USDA Beltsville researchers test organic phosphorus insecticides added to dairy cattle feed to kill face fly larvae in manure. Trials with Holstein heifers show near complete control at high doses and partial control for houseflies, with safety and residue questions pending.
MENTIONED IN THIS ARTICLE
USDA
Agricultural Research Center
Beltsville
U. S
New York
Mississippi River
Tennessee
South Carolina
Iowa
Missouri
Connecticut
Maryland
North Carolina
D W. Anthony
Otelia Bodenstein
N. W. Hooven
Europe
Lancaster County