Insects May Develop Resistance to DDT Says Entomologists
The article discusses whether insects can become immune to DDT after years of use. Experts note laboratory evidence of DDT resistant flies and compare to other pests. They caution natural resistance is unlikely in the short term and emphasize removal of breeding sites to reduce fly numbers.
MENTIONED IN THIS ARTICLE
Uncle Sam
Insecticide and supplements boost livestock care notes
New insecticide pyrenone shows effectiveness against files om livestock and is used in fly sprays. Protein supplements, once costly, become relatively affordable as grain price rises. Early care of pullets now promises better eggs next fall and improved resilience during peak laying. Benzene hexachloride, advised for hog lice, is added to hog oils for dipping vats and related uses.
Tung meal found poisonous to chickens in tests
Florida Agricultural Experiment Station tests show tung meal toxic to poultry. Proved poisonous in all forms including raw and heated, with high mortality at 15 and 30 percent inclusion levels and impaired feed utilization at 5 percent and higher.
MENTIONED IN THIS ARTICLE
Florida Agricultural Experiment Station
Olive industry hit by cutting olive trees for tax evasion
The passage describes a scheme where olive trees were pulled up or damaged in the Balkans and among Turks Greeks to evade taxes. Miners and workers faced ruin as olive production suffered and local economies strained under the pressure of these tactics.
MENTIONED IN THIS ARTICLE
Buthan
Macedonia
Noes Eyim
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