engleski

New generation of inert substances in D. gallinae control

The dominant method of physical control of D. gallinae, the use of inert substances, has thus far relied on compounds based on SiO2, which have been applied in powder form or as a water suspension. The new generation of inert substances are oils (P 547-17 (patent application) ; the product contained (purified) paraffinic and silicone oil with an emulsifier), which are applied in the form of water emulsions. The combination of paraffin and silicon oils on non-absorbent surfaces creates a persistent layer, which shows a long and residual effect. The main characteristics established in the course of laboratory and clinical testing are the following: high efficacy to directly exposed specimens ; an extremely long residual effect which is conditioned by the quality of the surface ; no particular application device needed ; suitable for machine-industrial use ; greater applicability to surfaces which possess fewer requirements in cage construction ; higher penetrative ability with impurities ; greater killing capacity ; greater requirements for hygiene maintenance ; possibility of use in biosecurity (treatment of transport cages). Optimal use requirements: empty, hygienically prepared facility with rest period, ideally in temperature conditions for mite activity with additional treatment of concrete floors with inert substance. In the case of optimised procedure, the ongoing clinical testing has so far shown that 7 months after the procedure, D. gallinae findings were negative, with early detection method.

Control, Dermanyssus gallinae, Inert substance

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