Biological control of Aedes larvae using indigenous fish (Rasbora daniconius (Nga Dawn Zin) and Colisa fasciata (Nga Thit Kyauk) from Pakokku Township, Magwe Region
Journal Title: JOURNAL OF BIOLOGICAL ENGINEERING RESEARCH AND REVIEW - Year 2018, Vol 5, Issue 1
Abstract
The species Aedes aegypti is considered as the major vector of dengue fever, dengue hemorrhagic fever. Field and the laboratory-based descriptive study were performed with laboratory-reared 3 rd and 4th instar Aedes larvae against native larvivorous fishes as Rasbora daniconius (Nga Dawn Zin) Pakokku and Colisa fasciata (Nga Thit Kaught) Pakokku from Pauk Inn in Se village, Pakokku Township Magway Region from July 2014 to December 2016. A series of laboratory experiments compared larva consuming rates of both fishes in different water volumes, to determine their potential as mosquito control agent in water storage containers. Laboratory results found that native larvivorous fishes Rasbora daniconius and Colisa fasciata consumed on significant numbers of Aedes larvae. Mean larva consuming rate of one individual, two together and three together Colisa fasciata fishes in three different water volumes found higher than Rasbora daniconius although when compare larvae/day/g weight, one-gram weight of Colisa fasciata consumed highest 439.29 larvae within 24 hours, it was 1.27-fold higher consuming rate than the one gram of Rasbora daniconius against Aedes aegypti larvae in laboratory. Larva consuming rates of both fishes were significantly higher in daytime than in night time in all water volumes. Of the two native fish species, Colisa fasciata showed the greater potential, although both Colisa fasciata and Rasbora daniconius was potentially larva consuming in the laboratory. Therefore, these two native larvivorous fishes can be used as a mosquito control agent against Aedes larvae in water storage containers in Pakakku Township, Magway Region.
Authors and Affiliations
Nyunt Nyunt Oo, Myo Thandar Thone, May Mi Mi Ko, Maung Maung Mya
Keywords
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