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International Journal of Fisheries and Aquatic Studies
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(ICV-Poland) Impact Value: 76.37, Impact Factor: RJIF 5.69
E-ISSN: 2347-5129, P-ISSN: 2394-0506

International Journal of Fisheries and Aquatic Studies

2015, Vol. 2, Issue 4, Part SP

Effect of chemical disinfectant (Izal) on hatching of eggs of African catfish (Clarias gariepinus), survival and growth performance of fry.


Author(s): Yisa T.A, Tsadu S.M, Muhammad G.A.

Abstract: Eggs of matured Clarias gariepinus size ranging from 550-800 g total body weight (TBW) were treated with 0.5 ml and 1 ml izal concentrations for 60 seconds to determine its efficacy and effect on hatching, survival and growth performance of fry. Each treatment was replicated three times. The research was conducted at the Toxicology Unit Fish Farm, Federal University of Technology, (FUT), Bosso Campus, Minna. Mean fecundity did not differed significantly (P>0.05); 113943.1a, 109281.9a and 116081.9a for 0.5 ml, 1 ml and control among the treatments. Percentage fertilization differed significantly (P<0.05) between 1 ml, and 0.5 ml and control (64.85a, 61.64b and 64.13ab) respectively and (37.94a and 46.43b) 1 ml and control for hatching. The bred hatchlings were maintained for 8 weeks and total percentage mortality was 12, 16 and 24 for 0.5 ml, 1 ml and control respectively. Mean Total Body Weight (TBW) gain differed significantly (P<0.05) between 1 ml (3.08a) and 0.5 ml (2.47b). Treatment two (1 ml izal solution) gave better result in terms of fertilization, hatching and growth performance. This shows that eggs treated with izal at 1 ml concentration for 60 seconds is appropriate to disinfect eggs. The treatment is hence recommended for disinfecting Clarias gariepinus eggs before incubation

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How to cite this article:
Yisa T.A, Tsadu S.M, Muhammad G.A.. Effect of chemical disinfectant (Izal) on hatching of eggs of African catfish (Clarias gariepinus), survival and growth performance of fry.. International Journal of Fisheries and Aquatic Studies. 2015; 2(4): 51-54.
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