In developing countries vector transmitted diseases like trypanosomosis, theileriosis, and malaria create serious health problems in man and livestock. Control strategies for the vectors and the parasites have not yet lead to adequate results. Genetics may have a role to play in the vector-parasite relationship. So far, most genetic and immunological studies have concentrated on mosquito vector competence. Approximately 2 to 3 quantitative trait loci are responsible for this trait in different species of mosquito, and with different parasites. However, mosquito vector competence is not the most important factor in transmission, where biting frequency and mosquito longevity play a significant role. Even when these traits are genetically determined, the integration with existing control measures like impregnated bed- nets and with other mosquito transmitted diseases like dengue fever and filariasis have to be resolved

A. J van der Zijpp

Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume 27: Reproduction; fish breeding; genetics and the environment; genetics in agricultural systems; disease resistance; animal welf, , 277–282, 1998
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