FIELD: biotechnology.
SUBSTANCE: avermectins are diluted (0.5 to 50 μg/ml), in which oligochaetes are introduced in the amount of 15-20 individuals and incubated for 1-2 hours at a temperature of 27-30°C. Further the biocidal effect of the avermectins is evaluated by the behavioural reactions of oligochaetes, and the drug activity is judged by the lack of coiling of test objects as a result of varying degrees of paralysis. The achieved technical result is in standardization, sensitivity and expressivity increase of the method of biotesting avemectin-containing activity of substances and preparations using behavioural reactions of Tubifex-type oligochaetes based on their tubifex neurochemical features of metabolism.
EFFECT: low labour intensity and cost, speed of analysis, accessibility, high sensitivity.
3 cl, 1 tbl, 4 ex
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