Zootechnical Performance of Cyprinus carpio Fry in Unfertilized Ponds Fed a Local Feed Formulated with Musca domestica Larvae Flour

Ngouana Tadjong Ruben *

Aquaculture Department, Institute of Fisheries and Aquatic Science of Yabassi, Laboratory of Aquaculture and Demography of Fisheries Resources, University of Douala, Douala, Cameroon.

Zango Paul

Aquaculture Department, Institute of Fisheries and Aquatic Science of Yabassi, Laboratory of Aquaculture and Demography of Fisheries Resources, University of Douala, Douala, Cameroon.

Asseng Gabriel

Aquaculture Department, Institute of Fisheries and Aquatic Science of Yabassi, Laboratory of Aquaculture and Demography of Fisheries Resources, 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.

*Author to whom correspondence should be addressed.


Abstract

Objective: this study on the effect of the level of incorporation of Musca domestica maggot flour on some zootechnical performances of Cyprinus carpio fry in unfertilized ponds.

Study design: The study took place at the Laboratory of Aquaculture and Demography of Fisheries Resources (LADRHa) in the Yabassi District, Nkam department, coastal region-Cameroon and duration 2 months.

Methodology: 375 Cyprinus carpio fry with an average weight of 1.73±0.13g were used. After reception and acclimatization for two days. Five food rations were formulated T0+ (coppens), T0- without maggot flour and three other food rations T25, T30 and T35 were formulated from the basic ration T0- by incorporating 25%, 30%, 35% maggot flour. The fry were distributed in 15 circular basins of 40L each and a diameter of 395mm in a completely redomized device and repeated three times, installed in an unfertilized pond of 200m2 fed by a water retention dam. Each happa contained 25 fry. The fry were fed manually, 02 times per day at 10% of their ichthyo biomass until the end of the experiment. Control fishing was carried out every fourteen days.

Results: The survival rate was significantly higher (p˂0.05) with the T0- treatment and low with the T35 treatment. The highest average weight was recorded with the T0+ treatment (coppens) and the lowest with the treatment containing 35% maggot meal. Daily weight gain was high with the T0+ (coppens) treatment and lower with T35. The specific growth rate was higher with the T0+ (coppens) treatment and lower with the T30 treatment. The consumption index was lower with the T0+ treatment (coppens) and higher with the T35 treatment.

Conclusion: It emerges from this study that the fry of Cyprinus carpio nouris fed feed containing 25% of Musca domestica maggot meal recorded higher zootechnical performances compared to those fed feed containing 30 and 35%.

Keywords: Level of incorporation, Musca domestica flour, Cyprinus carpio fry, unfertilized pond


How to Cite

Ruben, N. T., Paul, Z., Gabriel , A., & Raphaël, K. J. (2024). Zootechnical Performance of Cyprinus carpio Fry in Unfertilized Ponds Fed a Local Feed Formulated with Musca domestica Larvae Flour. Asian Journal of Fisheries and Aquatic Research, 26(2), 10–19. https://doi.org/10.9734/ajfar/2024/v26i2732

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