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Histopathological effect of sub-lethal concentration of aluminum phosphide (phostoxin) on Clarias gariepinus juveniles
Olurin, Kayode B; Mbaka, Godwin O; Agbato, Olubunmi A.
  • Olurin, Kayode B; Olabisi Onabanjo University. Department of Plant Sciences and Applied Zoology. Ago-Iwoye. NG
  • Mbaka, Godwin O; Lagos State University. College of Medicine. Department of Anatomy. Ikeja. NG
  • Agbato, Olubunmi A; Olabisi Onabanjo University. Department of Plant Sciences and Applied Zoology. Ago-Iwoye. NG
Pesqui. vet. bras ; 36(7): 574-580, jul. 2016. ilus
Article in English | LILACS, VETINDEX | ID: lil-794764
ABSTRACT
The study evaluated the effect of sub-lethal concentration of phostoxin on Clarias gariepinus juveniles. C. gariepinus juveniles belonging to the same cohort (40.1±1.2g; 18.1±1.1cm) from a commercial fish farm were randomly placed ten in each of 15 plastic tanks containing 15 liters of water. They were exposed for 96 hrs to three sub-lethal concentrations (treatments) of phostoxin (0.125, 0.250, 0.5mg L-1) and a phostoxin free control. At the end of 96 hrs exposure, they were dissected and the tissues need for histopathology removed and fixed in Bouin's fluid. The gill filament exhibited fusion at the secondary lamella that was progressive with concentration. At the highest concentration of exposure, the secondary lamellae showed marked pyknotic and necrotic changes characterized by epithelia detachment. The hepatic tissue showed mild inflammatory changes at lower concentrations while at the highest concentration of exposure there was marked inflammation with observed hydropic degeneration. In the kidney, an inflammatory change was only observed in the interstices at the highest dose of exposure with the convoluted tubules showing partial shrinkage. Phostoxin showed to have significantly caused alterations in cyto-architecture of the gills and to a considerable extent liver and kidney of C. gariepinus.(AU)
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Full text: Available Index: LILACS (Americas) Main subject: Catfishes / Insecticides / Nigeria Limits: Animals Country/Region as subject: Africa Language: English Journal: Pesqui. vet. bras Year: 2016 Type: Article Institution/Affiliation country: Lagos State University/NG / Olabisi Onabanjo University/NG

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Full text: Available Index: LILACS (Americas) Main subject: Catfishes / Insecticides / Nigeria Limits: Animals Country/Region as subject: Africa Language: English Journal: Pesqui. vet. bras Year: 2016 Type: Article Institution/Affiliation country: Lagos State University/NG / Olabisi Onabanjo University/NG