This study is to evaluate its genotoxic effects on non-targeted aquatic biota. Its application in targeting harmful aquatic insects may potentially contaminate aquatic environment. more Chlorfenapyr is a new formulated insecticide targeted against insecticide resistant species.
The outcome of this study gives credence to the view that chlorfenapyr is not clastogenic and or aneugenic to no.Ĭhlorfenapyr is a new formulated insecticide targeted against insecticide resistant species. The tested concentrations of chlorfenapyr did not elicit significant increase in MN formation and other nuclear abnormalities in the peripheral erythrocytes of C. gariepinus were exposed to different concentrations 5.00 – 15.00 mgL-1 of chlorfenapyr for 96 hours, peripheral blood was collected through the caudal vein and examined for micronucleus induction in the erythrocytes. The study assessed the genotoxic potentials of chlorfenapyr in African catfish (Clarias gariepinus) using the micronucleus (MN) test.
more DOI: 10.13170/ajas.6 Chlorfenapyr is a new formulated insecticide targeted against insecticide resistant species. ĭOI: 10.13170/ajas.6 Chlorfenapyr is a new formulated insecticide targeted against insect. Therefore, it is necessary that relevant authorities keep in check. The monthly variations of physico-chemical parameters in the Lagoon could be the result of human activities associated with transportation, fishing and domestic sewage disposal from the surrounding settlements.
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Results also indicated that the main drivers affecting the abundance and distribution of planktonic and benthic invertebrates were water temperature, pH, TDS and EC. The benthic macroinvertebrates were composed of mollusca, arthropoda and annelida. Zooplankton comprised 26 genera with 82% of the abundance of crustacea. The result of phytoplankton analysis indicated a total of 56 genera with 40 genera within Bacillariophyta, accounting for 72% of the abundance. more The physico-chemical parameters, plankton and macro-benthic invertebrates of the Lagos Lagoon (Badore, Ajah), Lagos State, Nigeria were studied between February and July 2018 at four sampling stations in a disparate range of human activities and impact. The physico-chemical parameters, plankton and macro-benthic invertebrates of the Lagos Lagoon (Ba. The results indicate that the semi-wild environment provides favourable conditions for the survival of the manatee. The morphometric measurement showed total length 192 cm, standard length 152 cm, body weight 265 kg, fluke width 36 cm, flipper length 36 cm, head length 34 cm, girth at umbilicus 120 cm, girth at genital pore 82 cm, girth at anus 64 cm. Eleven Macrophytes belonging to eight families were fed to the manatee daily.
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Mean values of surface water temperature of 26.56 ± 1.08oC pH, 6.47 ± 0.25 Free carbon dioxide, 8.83 ± 1.44 mg/L total alkalinity, 10.35 ± 1.85 mg/L Dissolved Oxygen, 7.35 ± 1.42 mg/L and Biological Oxygen Demand (BOD) 2.41 ± 0.47 mg/L were within stipulated ranged as safe for aquatic organism. Surface water was measured to determine the Physico-chemical parameters of the stream. more The behavioural and morphometric features of West Africa manatee Trichechus senegalensis, in a semi-wild environment was study from July1st 2008 to November 30th 2008. The behavioural and morphometric features of West Africa manatee Trichechus senegalensis, in a s.
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