Publications Scientifiques

[ Article ] Feeding rate requirements for Schilbe intermedius (Rüppel, 1832) fingerlings reared in captivity

Date de soumission: 09-04-2018
Année de Publication: 2015
Entité/Laboratoire Laboratoire de Recherche sur les Zones Humides (LRZH)
Document type : Article
Discipline(s) : Hydrobiologie et Aquaculture
Titre Feeding rate requirements for Schilbe intermedius (Rüppel, 1832) fingerlings reared in captivity
Auteurs TOSSAVI COMLAN EPHREM [1], N'TCHA Augustin [2], DJISSOU Arnauld Sedjro Martin [3], KPOGUE D.N.S. [4], OUATTARA Nahoua Issa [5], FIOGBE EMILE DIDIER [6],
Journal: International Journal of Agronomy and Agricultural Research (IJAAR)
Catégorie Journal: Internationale
Impact factor: 0
Volume Journal: 7
Resume The control of the breeding of Schilbe intermedius in captivity, passes by the determination of its nutritional requirements. The present study aims therefore to determine the optimal feed ration of the fingerlings of S. intermedius. The experiment was carried out in circular basins during 28 days. After their capture in natural environment, their transfer in controlled area and their acclimatization to the artificial food used (coppens: protein 45%.), the fingerlings used (average weight: 3.12±0.83g) were subjected to four feed rations (2, 5, 8 and 11% of the biomass) tested in triplicate each one. Thus, the lowest rate of survival (64.00±1.15%) was recorded for the fingerlings’lot subjected to the ration of 8% where the pH is more acid (5.29).The final average weight (4.63±0.00g), the specific growth rate (1.19±0.08%/day) and the food effectiveness (0.53±0.00) obtained with the ration of 11% were the highest. These values are significantly different (P< 0.05) than those obtained with the ration of 2%.The best consumption index was registered with the ration of 2%. According to the model of Brett, the maximum and optimal daily rations of S. intermedius fingerlings were estimated to 4.6 % and 8.5 % respectively.
Mots clés Schilbe intermedius, Fingerlings, Optimal ration, Specific growth, Feed efficiency
Pages 34 - 41
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