PRODUCTION D’ALEVINS DE TILAPIA AU BENIN : 160 000 larves de géniteurs importées pour une amélioration de la productivité
![PRODUCTION D’ALEVINS DE TILAPIA AU BENIN : 160 000 larves de géniteurs importées pour une amélioration de la productivité](https://lerural.bj/wp-content/uploads/2024/03/Alevin-2-850x560.jpg)
Pour renforcer la chaîne de production des alevins de tilapia au Bénin, l’Agence Territoriale de Développement Agricole (ATDA) du Pôle 7 vient d’importer, au profit des producteurs d’alevins, 160 000 larves de géniteurs. Cette action s’inscrit dans le cadre du Programme National de Développement de la Filière Aquaculture (PNDF-Aquaculture).
Les larves de géniteurs receptionnées
Cédric Joawo BAKPE
L’accès à des alevins de qualité constitue un facteur indispensable pour l’amélioration de la productivité et de la production aquacole visée par le PNDF-Aquaculture, coordonné par l’ATDA du Pôle 7. En moyenne, 4 millions d’alevins de tilapia sont produits chaque année (2020-2023) par les écloseries au Bénin pour la production de poissons de table. L’importation des 160 000 larves de géniteurs constitue l’une des 8 actions prioritaires prévues dans la mise en œuvre du PNDF-Aquaculture. Elle consiste à mettre à disposition des écloseries des géniteurs de qualité et en quantité suffisante pour produire des alevins de qualité nécessaires pour atteindre les objectifs de production du PNDF-Aquaculture.
Suite à une étude diagnostique réalisée en 2021, « 16 écloseries ont été sélectionnées pour être mises aux normes afin de bénéficier de géniteurs de qualité et désormais certifier leurs productions d’alevins », précise Prospère Agossou SAGBO, Directeur Général de l’ATDA du Pôle 7. Il ajoute : « Sur les 16 écloseries engagées dans le processus de mise aux normes, 13 ont franchi les différentes étapes et ont reçu leurs certificats de conformité environnementale ainsi que leurs autorisations de la Direction de la Production Halieutique (DPH). Ceci consacre leurs capacités à produire des alevins certifiés afin de stimuler la production aquacole du Bénin. »
Des souches importées avec des caractéristiques et quantités respectives
Les souches Cithralada et Big Nin de tilapia (Oreochromis niloticus), deux souches performantes, ont été importées. Plus précisément, 78 500 larves de géniteurs de la souche Cithralada, avec un gain moyen quotidien minimum compris entre 1 gramme et 500 grammes de poids corporel, entre 2,1 et 4,16 g/jour/individu, et une maturité sexuelle de 6 mois, pour un rendement des œufs de 30 à 50 œufs/m²/jour de frai/femelle. D’autre part, 81 500 larves de géniteurs de la souche Big Nin, avec un gain moyen quotidien minimum compris entre 1 gramme et 500 grammes de poids corporel, entre 2,5 et 4,44 g/jour/individu, et une maturité sexuelle de 6 mois, pour un rendement des œufs également compris entre 30 et 50 œufs/m²/jour de frai/femelle.
Selon Prospère Agossou SAGBO, ces larves permettront de produire en moyenne 50 000 000 d’alevins par an au cours des 3 prochaines années. À noter que l’ensemble des interventions ayant contribué à la mise aux normes et à la mise en place des larves s’élève à 252 millions.
Les bénéficiaires venus réceptionner les larves de géniteurs
Des acteurs de la chaîne de valeur engagés dans ce processus se voient octroyer des larves de géniteurs performants et saluent l’effort du gouvernement. « Les acteurs ont exprimé ce besoin en raison de la régénération des souches de tilapia que nous utilisons. L’ATDA du Pôle 7 a favorablement répondu à cette requête », confie Christian GUIDIGBI, Président de l’Interprofession Poisson d’Élevage du Bénin. « Les souches performantes que nous venons de recevoir nous permettront de stimuler notre production pour finalement fournir d’autres pisciculteurs qui réalisent le grossissement d’alevins de qualité », renchérit Eugénie FAÏZOUN, productrice d’alevins.
Voilà qui relance les espoirs des producteurs d’alevins et assure une meilleure productivité du tilapia au Bénin.
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