Zootechnical Performance and Bromatological Composition of the Flesh of Oreochromis sp (Red Tilapia) Fed with Local Feed Supplemented with Afrostyrax lepidophyllus Seed Powder
Ngouana Tadjong Ruben *
Aquaculture Department, Laboratory of Aquaculture and Demography of Fisheries Resources, Institute of Fisheries and Aquatic Science of Yabassi, University of Douala, Douala, Cameroon.
Fofack Orlin-Maël
Aquaculture Department, Laboratory of Aquaculture and Demography of Fisheries Resources, Institute of Fisheries and Aquatic Science of Yabassi, University of Douala, Douala, Cameroon.
Kana Jean Raphaël
Department of Animal Science, Faculty of Agronomy and Agricultural Sciences, Laboratory of Animal Nutrition, University of Dschang, Dschang, Cameroon.
Téguia Alexis
Department of Animal Science, Faculty of Agronomy and Agricultural Sciences, Laboratory of Animal Nutrition, University of Dschang, Dschang, Cameroon.
*Author to whom correspondence should be addressed.
Abstract
Objective: this study aimed to evaluate the effect of supplementing Afrostyrax lepidophyllus seed powder on some zootechnical performances of Oreochromis sp. fry and the bromatological composition of the chair obtained.
Study Area: the study was carried out from March to June 2023 at Moungo Fish Farm in the locality of Yundi, located in the southwest region of Cameroon, Fako department, Tiko district.
Methodology: A total of 375 monosex fry of Oreochromis sp. with an average weight of 5.5 ± 0.34g were distributed in 15 tanks of 0.8m3. Five (05) feed rations. T0- feed without supplement, T (0.3%) feed containing 0.3% powder of A. lepidophyllus, T (0.4%) feed containing 0.4% powder of A. lepidophyllus, T (0, 5%) (feed containing 0.5% A. lepidophyllus powder) and an imported Skreting brand feed rated T0+ were allocated in a completely randomized design in triplicate with 75 subjects per treatment. were recorded daily before feeding.
Results: The highest survival rate was recorded with treatment T0.3 (82.67±12.22%); the highest values significantly (p<0.05) for final biomass (66.53±5.82g), daily weight gain (0.68±0.64g/d), weight gain (61.05±5.82g), the specific growth rate (2.77±0.02%J) was recorded with the T0.5 treatment. However, the lowest consumption index (p<0.05) (1.55±0.05) was recorded with the T0.3 treatment.
Conclusion: This study showed that dietary supplementation of A. lepidophyllus seed powder improves growth performance, utilization of dietary nutrients and bromatological composition of the stool in Oreochromis sp.
Keywords: Afrostyrax lepidophyllus, supplementation, local feed, Oreochromis sp; zootechnical performance
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References
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