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Research Article Open access CC BY 4.0

Semi-traditional Production of Fry of a Fish Species [Clarias gariepinus (Burchell, 1822)] with a High Market Value in a Fish Farming Cooperative, COPAPE- Brazzaville, Congo

Tsoumou A., M. Mikia, Marie-Louise Itsa, L. R. Dossou-Yovo, D.B.C. Olabi-Obath, I. Mady-Goma Dirat, A. Ibala-Zamba

Journal of Experimental Agriculture International · pp. 776–784 · Published 30 Dec 2024

10.9734/jeai/2024/v46i123186

Abstract

This work aims to solve the problems of aquaculture in the Republic of Congo. Indeed, Congolese aquaculture is characterised by a lack of fry quality and in sufficient quantities. Clarias gariepinus (Burchell, 1822) has proved to be the most appropriate specy for Congolese fish farming. Two methods of producing fish rearing of this species were tested: the artificial method with hormonal treatment with Ovaprim and the semi-natural method. For both methods, 1027 and 1893 fry were respectively obtained ; the compliance test applied to these values shows a highly significant difference at the 95% probability threshold. The semi-natural method seems to be the best mastered by the cooperative. In order to reduce the acquisition cost of the ovaprim used, a dilution with a 25% normal saline solution can be made when inducing gametogenesis in Clarias gariepinus. All in all, that is by far the most productive in terms of fingerling production in the copape context.

Pisciculture Clarias gariepinus ovaprim artificial semi-natural

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