,%209-16,%20September%202021.JPG "Valorization of the duckweed (Spirodela polyrhyza) in the feeding of mono sex male fry of Oreochromis niloticus")
Author Name
(School of Aquaculture, National University of Agriculture, Kétou, Benin)
(School of Aquaculture, National University of Agriculture, Kétou, Benin)
- Arsène F. M. D'almeida
(Institut National des Recherches Agricoles du Bénin, Centre de Recherches Agricoles d'Agonkanmey, Recette Principale Cotonou, Benin)
- André B. Aboh
(Ecole de Gestion et d'Exploitation des Systèmes d'Elevage, Kétou, Benin)
- Elie Montchowui
(School of Aquaculture, National University of Agriculture, Kétou, Benin)
- Emile D. Fiogbe
(Unité de Recherches sur les Zones Humides, Département de Zoologie, Faculté des Sciences et
Techniques, Université d'Abomey, Calavi, Cotonou, Benin)
Journal Name
International Journal of Agronomy and Agricultural Research | IJAAR
Publisher
International Network For Natural Sciences | INNSpub
Abstract
In order to evaluate the effect of Spirodela polyrhiza using in diets of Oreochromis niloticus fingerlings, an experiment was conducted on the farm “Awara” in the village of Agongo in Sèmè – Kpodji during 70 days. The initial average weight of fry is about 1g. The stocking density was 13 fry / m². Three experimental diets made with local by-products were tested: T0 (0% S. polyrhiza Meal), T1 (5% S. polyrhiza Meal) and T2 (mixed feed composed of 70% T0 and 30% fresh S. polyrhiza). At the end of the experiment, the survival rate was 100% for all treatments. The best zootechnical parameters were obtained with T1 with a final average weight of 11.67 ± 2.52 g and a consumption index of 1.17 ± 0.30. The highest gross profit margin was also obtained with T1. The lowest economic profitability was obtained. Check out more Valorization of the duckweed (Spirodela polyrhyza) in the feeding of mono sex male fry of Oreochromis niloticus: Zootechnical performance and economic profitability
