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A biological Test for assessing the acaricidal Properties of DDT and “Gammexane” Preparations*

Published online by Cambridge University Press:  10 July 2009

S. G. Laws
S. G. Laws
Affiliation:
Veterinary Research Laboratory, Entebbe, Uganda.
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Extract

When DDT and “Gammexane” were first used in Uganda for work on tick control, the absence of a rapid and simple chemical test made it necessary to evolve a biological method which would assess the killing power of the preparations in use. Such a method, if it is to be employed to assess the results of field work, should satisfy the following conditions;

(a) ticks should receive an initial wetting with the preparation comparable to that received when cattle are dipped or sprayed, and

(b) remain on a moist surface for a few hours, and then for a longer period in contact with the dried deposit, as in the case of the animal after it has been dipped or sprayed.

Type
Original Articles
Information
Bulletin of Entomological Research , Volume 39 , Issue 2 , September 1948 , pp. 277 - 279
Copyright
Copyright © Cambridge University Press 1948

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References

* This paper is published by permission of the Director of Veterinary Services, Uganda.