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Influence of host anemia on blood-feeding rate and egg production of Aedes aegypti (L.) (Diptera : Culicidae)

I tested a theoretical model proposing that anemia
favors transmission of blood-borne parasites to vectors
by accelerating the blood-feeding rate. Using Aedes
aegypti, the yellow fever mosquito, initially, I was not
able to confirm this phenomenon either in an artificial
or a live system; anemia did not correlate with blood-feeding
rate, time or volume. I then analyzed the
feeding rate over different time intervals to examine the
possibility that inconsistent feeding rates masked the
expected results; a comparison of the blood-feeding rate
at one particular time period supports the theory.
I then continued investigating the influence of
anemia on egg production of mosquitoes and found that
anemia has negative influence on vector's fecundity. I
conclude that although anemia has opposite influences on
mosquitoes in blood-feeding rate and egg production, they
can get, at least under certain conditions, benefit from
blood-feeding on anemic hosts. / Graduation date: 1992

Identiferoai:union.ndltd.org:ORGSU/oai:ir.library.oregonstate.edu:1957/36584
Date06 June 1991
CreatorsShieh, Jong-Neng
ContributorsRossignol, Philippe A.
Source SetsOregon State University
Languageen_US
Detected LanguageEnglish
TypeThesis/Dissertation

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