Department of Zoology, University of Jaffna, Jaffna, Sri Lanka
Research Article
Hematological and Histological Studies to Determine the Toxicity of Profenofos on Oreochromis niloticus (Genetically Improved)
Author(s): Dayananda NG* and Surendran SN
The extensive use of pesticides in modern agriculture can cause severe consequences because of their
bio magnification and persistence. This research was designed to study the toxicity of profenofos on
the genetically improved strain of farmed tilapia (Oreochromis nilotic). The LC50 value of Profenofos
for fingerlings with 2 g ± 0.5 g average weight and 6 cm ± 0.5 cm average lengths was determined by
probit analysis using MS excel 2013 software. Sub adults with 14.0 cm ± 0.5 cm average length and
71.0 g ± 0.5 g average weight were stocked and exposed to different concentrations of Profenofos
ranging from 0 to 0.15 mg L-1 for four weeks and accessed the hematological parameters. The
sub adults were exposed to different concentrations of Profenofos ranging from 0 to 0.26 mg L-1 for a week, and his.. View More»
Spanish 
Chinese 
Russian 
German 
French 
Japanese 
Portuguese 
Hindi 