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Acute toxicity of azadirachtin to a teleost, Heteropneustes fossilis / Toxicidade aguda da azadiractin para um teleósteo, Heteropneustes fossilis
Kumar, Abhishek; Prasad, ManiRam; Mishra, Diwakar; Srivastav, Sunil Kumar; Srivastav, Ajai Kumar.
  • Kumar, Abhishek; Gorakhpur University. Department of Zoology. Gorakhpur. IN
  • Prasad, ManiRam; Gorakhpur University. Department of Zoology. Gorakhpur. IN
  • Mishra, Diwakar; Gorakhpur University. Department of Zoology. Gorakhpur. IN
  • Srivastav, Sunil Kumar; Gorakhpur University. Department of Zoology. Gorakhpur. IN
  • Srivastav, Ajai Kumar; Gorakhpur University. Department of Zoology. Gorakhpur. IN
Acta sci., Biol. sci ; 34(2): 213-216, Apr.-June 2012. graf, tab
Article in English | LILACS, VETINDEX | ID: biblio-868031
ABSTRACT
The acute static renewal test of a botanical pesticide - azadirachtin for the freshwater catfish, Heteropneustes fossilis has been performed to determine the LC50 values at different exposure period. The LC50 values at various exposure periods are 173.06 mg L-1 for 24h; 80.69 mg L -1 for 48h; 58.57 mg L-1 for 72h and 52.35 mg L -1 for 96h. The upper confidence limits were 196.87, 86.91, 79.20 and 70.04 mg L-1 for 24, 48, 72 and 96 h and lower confidence limits were 154.01, 74.24, 37.33 and 33.83 mg L-1, respectively. These results indicate that azadirachtin exposure to the fish caused toxic effects.
RESUMO
A renovação do ensaio estático agudo de um pesticida botânico - azadiractin para o peixe de água doce, Heteropneustes fossilis foi realizada para determinar os valores de LC50 em diferentes períodos de exposição. Os valores de LC50 em diferentes períodos de exposição são 173,06 mg L-1 por 24h; 80,69 mg L-1 por 48h; 58,57 mg L-1 por 72 h e 52,35 mg L-1 por 96h. Os limites de confiança superiores foram 196,87; 86,91; 79,20 e 70,04 mg L-1 para 24, 48, 72 e 96h os limites inferior e confiança foram 154,01; 74,24; 37,33 e 33,83 mg L-1, respectivamente. Estes resultados indicam que a exposição do peixe à azadiractin causou efeitos tóxicos.
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Full text: Available Index: LILACS (Americas) Main subject: Toxicity / Fishes Limits: Animals Language: English Journal: Acta sci., Biol. sci Year: 2012 Type: Article Institution/Affiliation country: Gorakhpur University/IN

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Full text: Available Index: LILACS (Americas) Main subject: Toxicity / Fishes Limits: Animals Language: English Journal: Acta sci., Biol. sci Year: 2012 Type: Article Institution/Affiliation country: Gorakhpur University/IN