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Journal Article

Journal Article

Production of Exotic Clarias gariepinus Fingerlings at Varying Stocking Densities in Outdoor Concrete Ponds  [2004]

DADA, A. A.; WONAH, C.;

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The effect of stocking density on the production of exotic Clarias gariepinus fry to fingerling stage was examined during the nursery phase in outdoor concrete tanks. The fry were held at five stocking densities of 250, 500f, 750,1000 and 1250 fry/m3. There was significant difference (P < 0.05) in the mean weight gain per day and specific growth rate of fry held at the different stocking densities. The mean weight gain and specific growth rate decreased as stocking density increased. The development of “jumpers” increased as the stocking density increased. Higher stocking density gave rise to bigger “jumpers”. There was significant difference (P > 0.05) in the survival of the fry held at the different stocking densities. Highest survival was obtained at stocking density of 250 fry/m3 while stocking density of 1250 fry/m3 gave the lowest survival. Fry held at 250 fry per cubic metre gave the optimum stocking density.Key words: Exotic Clarias gariepinus, stocking density, fry, fingerling, jumper.Journal of Aquatic Sciences Vol.18(1) 2003: 21-24
From the journal
Journal of Aquatic Sciences
ISSN : 0189-8779

Bibliographic information

Type:
Journal Article
In AGRIS since:
2013
All titles:
"Production of Exotic Clarias gariepinus Fingerlings at Varying Stocking Densities in Outdoor Concrete Ponds"@eng
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Bibliographic information

Type:
Journal Article
In AGRIS since:
2013
All titles:
"Production of Exotic Clarias gariepinus Fingerlings at Varying Stocking Densities in Outdoor Concrete Ponds"@eng