Publications Scientifiques

[ Article ] Complete replacement of fish meal by other animal protein sources on growth performance of Clarias gariepinus fingerlings

Date de soumission: 09-04-2018
Année de Publication: 2016
Entité/Laboratoire Laboratoire de Recherche sur les Zones Humides (LRZH)
Document type : Article
Discipline(s) : Hydrobiologie et Aquaculture
Titre Complete replacement of fish meal by other animal protein sources on growth performance of Clarias gariepinus fingerlings
Auteurs DJISSOU Arnauld Sedjro Martin [1], ADJAHOUINOU Dogbè Clément [2], Koshio Shunsuke [3], FIOGBE EMILE DIDIER [4],
Journal: Int Aquat Res
Catégorie Journal: Internationale
Impact factor: 0
Volume Journal: 8
DOI: DOI 10.1007/s40071-016-0146-x
Resume To completely replace the fish meal by a mixture of earthworm and maggot meals, experimental diets were tested during 42 days on Clarias gariepinus fingerlings. Five isoproteic and isoenergetic diets (40 % crude protein and 17.9 ± 0.3 kJ g-1) including the control diet (D1) based on fish meal, were formulated. All these diets satisfied the essential amino acids requirements of C. gariepinus fingerlings. These diets were tested on triplicate groups of 50 fishes (initial body weight: 3 ± 0.1 g) bred in tank (0.5 m3). The approximate ratios 2:5; 1:4; 1:12 and 0:1 between the earthworm meal and the maggot meal were used, respectively, to formulate four diets D2, D3, D4 and D5 without fish meal. After the feeding period, significant differences (P\0.05) were observed on growth, feed utilization between control diet (D1) and test diets (D2– D5). Fish fed earthworm- and maggot-based diets were grown better than those fed the control diet. Survival and feed utilization were not significantly affected by the ratio between earthworm meal and maggot meal in the test diets. Lipid content was higher in carcass and fillet of fishes fed earthworm- and maggot meals-based diets than that of those fed fish meal-based diet. This study indicates that when the ratio 2:5 between the earthworm meal and the maggot meal is used to entirely replace fish meal and the ratio lysine/arginine of the diet is inferior to 1, the growth performances and feed utilization of Clarias gariepinus fingerlings are improved.
Mots clés Maggot  Earthworm  Growth performance  Feed utilization
Pages 333 - 341
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