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EN
The studies were carried out in an experimental pig farm on 402 animals with Thuridan (spore of delta-endotoxin complex of Bacillus thuringiensis kurstaki). It was applied orally, as feed additive in a concentration of 0.1 and 0.5% for three current days. The efficacy of Thuridan was established with the use of fly-catchers which were hung in the same places – once before and three times after Thuridan had been used. After 3 application of Thuridan the number of flies decreased by 88%.
EN
Three disinfectants, i.e. Desoform, Lysoformin 3000 and Trichlorol were examined against fly larvae. The trial was carried out on the larvae of Calliphora vomitoria which were fed beef meat with aqueous solutions of the disinfectants under study. The concentrations used were as follows: Desoform -1,3,5 and 6%; Lysoformin 3000 - 0.7, 1.0, 1.5 and 2% and Trichlorol - 0.5, 1.0, 1.5 and 2.0%. The effect of each preparáte was compared with the control group. It was found that all the drugs destroyed the pupae of the fly. Desoform at a concentration 3% and 5% inhibited the development of the larvae at 80% and 95%, respectively, while 2% Lysoformin inhibited 90% of larvae. Trichloral turned out to be of minor effectiveness because its efficacy ranged between 11% and 42%.
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