Debatable Question on DDT Fly Resistance
Insects may develop resistance to insecticides, but natural DDT resistance in flies is unlikely in short time. Failures on farms are more likely due to careless use or inferior product. Removal of breeding sites such as manure piles and wet barn spots aids control since DDT does not act quickly.
MENTIONED IN THIS ARTICLE
Uncle Sam
Insecticide pyrenone aids livestock fly control
Farmers consider new pyrenone insecticide for flies on cattle and sheep. Protein supplements in rations become cheaper as grain prices rise, encouraging use for higher profitability. Pullets kept well now may yield strong egg prices next fall while hog care benefits from benzene hexachloride enhanced oils for dipping and application.
Reviving Grindstone Shows Durable Shaped Cutting Tool
A battered farm grindstone is restored by dressing with a sharp pointed tool attached to a small board. The tool uses a dark cutting tip made of carboloy cemented carbide, touted as the hardest metal made by man.
Tung meal poisonous to chickens in tests
Tests at the Florida Agricultural Experiment Station show tung meal as a protein source in chick rations is poisonous. Raw or processed forms caused heavy mortality at 10 and 15 percent levels and at 5 percent or higher levels it interfered with feed utilization and growth.
MENTIONED IN THIS ARTICLE
Florida Agricultural Experiment Station
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