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flies are now on the market, re- I port entomologists at VPI.
Malathion and diazinon, two j new insecticides that are good for ! this purpose may be bought separately or in prepared fly baits. Either way, directions for use will be tupplied by the manufacturer , and should be carefully followed, the entomologist say. All these materials are poisonous to human beings and anmials and should be handled with due precautions. Diazinon is currently not approved for use ill dairy barns.
Several other chemicals have given excellent experimental results but are not yet available rommercially. •
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