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This newspaper page contains 3 articles. Subscribers can read the full text of each article.
Newspaper
Paris Post
Location
Paris, Idaho, United States of America
Date
Jun 17, 1948
Page
7
The article questions whether DDT creates immunity in flies or if observed failures are due to resistance. It notes insects can develop resistance, cites lab-created DDT resistant fly strains, and suggests farm conditions and poor products as causes. It advises removing breeding sites since DDT acts slowly and flies can survive briefly on treated surfaces.
New insecticide pyrenone shows effectiveness against livestock flies outperforming older sprays. Farmers also gain from cheaper protein supplements as grain prices stay high. For pullets, better care now should yield strong egg production next fall. Benzene hexachloride is added to hog oils for lice control in dipping vats and hogs.
Florida agricultural experiment station tests found tung meal poisonous to chickens. Raw or processed forms caused high mortality at 10 and 15 percent inclusion. At 5 percent and higher levels it reduced feed utilization and growth.
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