Dengue is a mosquito-borne viral disease mainly transmitted by Aedes aegypti and disease control is primarily reliant on mosquito vector control strategies. In the failure of conventional vector control strategies, new strategies are being developed which specifically require the maintenance of mosquito colonies in the laboratories. Blood-feeding is an essential part of the routine colony maintenance of Ae. aegypti. Therefore, the current study was focused on developing a simplified artificial membrane-feeding device, "Hemocup" feeder out of affordable material. viz., plastic cups, styrofoam insulation system, parafilm-M, and preheated water to facilitate the Ae. aegypti artificial blood feeding. The performance of the device was compared to that of a commercially available blood-feeding device, "Hemotek", by assessing the blood-feeding rate, fecundity, and egg hatchability. Similar blood feeding rates were observed for Hemocup and Hemotek methods (91.8 ± 1.6 and 94.3 ± 1.6 respectively>0.05) as well as comparable fecundity between the two methods (20.8 ± 0.7 and 22.0 ± 1.5 respectively; p > 0.05). Furthermore, there was no statistically significant difference in egg hatchability between the two methods (91.9 ± 1.4 and 93.8 ± 1.4, respectively; p > 0.05). The results indicate that this simple Hemocup blood-feeding system can be used for routine colonization of laboratory strains of Ae. aegypti and for mass-rearing purposes.
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| http://dx.doi.org/10.1016/j.exppara.2023.108518 | DOI Listing |
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Dengue is a mosquito-borne viral disease mainly transmitted by Aedes aegypti and disease control is primarily reliant on mosquito vector control strategies. In the failure of conventional vector control strategies, new strategies are being developed which specifically require the maintenance of mosquito colonies in the laboratories. Blood-feeding is an essential part of the routine colony maintenance of Ae.
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