EN
There has been assayed the effect of a new drug K-Othrine against flies. The preparation (Roussel UCLAF) can be used in the rooms both for human and animals against flies, mosquitos, Croton bugs and Pharao ants. The drug administered in a milking cowshed at the concentration of l“/o was effective for 2—3 weeks. No side effects were found in the blood of cows.