Existing problems of drying cocoon and making chrysalis feeble, and their solutions

Abstract

The report of introduced techniques and theoretical, analytical and experimental studies of foreign and our national scientists in recent years are given in this article. it has been established that treatment with a high frequency electromagnetic field achieves a high efficiency in drying the cocoon and killing pupae. The shell of the cocoon does not heat up with this method. This is explained by the fact that the high frequency energy is absorbed mainly in the pupa because of the difference of the dielectric constant, which leads to the heating of the pupa to 90-95 ° C and they die within 30 seconds depending on the power.