Effect of the feeding frequency on the survival rate and some growth characteristics of endogenous catfish Clarias jaensis (Boulenger, 1909) in the Western Highlands of Cameroon

Authors

  • Zango Paul Institut des Sciences Halieutiques de l'Université de Douala à Yabassi
  • Agrient Nana Towa Université de Dschang, Faculté d’Agronomie et des Sciences Agricoles, Département des productions Animales, Boite Postale 222 Dschang, Cameroun
  • Beranger Raoul Tamgno Université de Douala, Institut des Sciences Halieutiques, Boite Postale 7236, Bassa Douala, Cameroun
  • Raymond Fokom Université de Douala, Institut des Sciences Halieutiques, Boite Postale 7236, Bassa Douala, Cameroun
  • Ghislain Fodouop Simo Université de Douala, Institut des Sciences Halieutiques, Boite Postale 7236, Bassa Douala, Cameroun
  • Minette Tomedi Eyango Université de Douala, Institut des Sciences Halieutiques, Boite Postale 7236, Bassa Douala, Cameroun
  • Joseph Tchoumboue Université de Dschang, Faculté d’Agronomie et des Sciences Agricoles, Département des productions Animales, Boite Postale 222 Dschang, Cameroun

Keywords:

Feed, Feeding frequency, growth, survival rate, Clarias jaensis

Abstract

The effect of feeding frequency on the survival and growth of Clarias jaensis was carried out from February to July 2020 at the Aquaculture Common Initiative Group in Batié (West-Cameroon) to contribute to improving fish production. For this purpose, 120 juveniles of C. jaensis with an average weight of 13.6 ± 2.41g were divided into 4 treatments with three repetitions in plastic tanks. They were fed with an iso-protein ration of 40% crude protein. The feed was distributed at feeding frequencies of 2, 3, 4, and 5 times/d for 63 days at 5% of the icthyobiomass. At the end of rearing, survival rates were highest at frequencies of 3 and 4 times/d (100.00 ± 0.00%) and lower at 2 times/d (90.01 ± 0.15%); final mean weight, mean daily weight gain, specific growth rate and condition factor K were higher at the frequency of 4 feedings per day (26.00 ± 4.97g; 0.18 ± 0.21g/d; 0.96 ± 0.55% /d and 0.65 ± 0.05g/cm3), lower and comparable to 2 and 5 times/d (22.60 ± 4.67g;  0.14 ± 0.24g/d; 0.82 ± 0.78%/d and 0.63 ± 0.03 g/cm3 respectively). The feed conversion ratio was much lower at the frequency of 4 times per day (2.69) and higher at 2 times per day (3.78). The cost of feed to produce one kg of fish was higher at the feeding frequency of 5 times (1111.8 FCFA) per day. It is therefore recommended to feed juvenile C. jaensis at the frequency of 4 times a day.

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Published

— Updated on 10.04.2024

How to Cite

Paul, Z., Nana Towa, A., Tamgno, B. R., Fokom, R., Fodouop Simo, G., Tomedi Eyango , M., & Tchoumboue , J. (2024). Effect of the feeding frequency on the survival rate and some growth characteristics of endogenous catfish Clarias jaensis (Boulenger, 1909) in the Western Highlands of Cameroon. Journal of Experimental and Applied Tropical Biology, 4(1), 1–10. Retrieved from https://journal.jeatb.com/index.php/1/article/view/28