Tayo, Gilma .Atas, Bryan B.2026-01-162011-03Atas, B. B. (2011). <i>Acute toxicity of polysolve oil dispersant to Nile tilapia (Oreochromis niloticus Linn.) fry</i> [Undergraduate special problem, University of the Philippines Visayas]. UPV Institutional Repository. https://hdl.handle.net/20.500.14583/472https://hdl.handle.net/20.500.14583/472Forty eight hour (48h) static bioassays were conducted to determine the toxicity of Polysolve oil dispersant to Nile tilapia (<i>Oreochromis niloticus</i>) fry. Median lethal concentrations (LC50) were 1.03, 0.79, 0.70, 0.45, and 0.39% for 24, 30, 42, and 48h, respectively. Polysolve is highly toxic to Nile tilapia fry at low concentrations. Results showed increasing toxicity over increasing length of exposure. It is therefore recommended that Polysolve must not be used in oil spill response. Sublethal effects of the dispersant on the fry include decreased activity and impaired responsesvii, 30 p.ToxicityPolysolveOil dispersantNile TilapiaAquatic enviromentLG 993.5 2011 B5 A83Thesistoxicityoil spillstilapiaaquatic ecosystemsbio-assaysOreochromis niloticusSDG 14 - Life below water