Agricultural Studies, Vol. 2, Issue 1, Feb  2018, Pages 44-57; DOI: 10.31058/ 10.31058/

The Effect of Mixed Feeding Schedule of Varying Dietary Protein Contents on The Growth performance, Feed Utilization and Survival of Clarias Gariepinus Fingerlings

, Vol. 2, Issue 1, Feb  2018, Pages 44-57.

DOI: 10.31058/

Udo, Imefon Udo 1* , William, Augustine Ekpri 1

1 Department of Fisheries and Aquatic Environmental Management, Faculty of Agriculture, University of Uyo, Uyo, Nigeria

Received: 25 December 2017; Accepted: 8 January 2018; Published: 24 February 2018

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Great expansion of the aquaculture industry is hamstrung by high feed cost. A 91-day feeding trial was therefore conducted using fingerlings of Clarias gariepinus (1.08±0.05 g) to study the effect of mixed feeding schedule of varying dietary protein contents on the growth performance, feed utilization and cost-effectiveness. Coppen feed served as control 1 (A) while control 2 (B) was a basal diet formulated to contain 35% crude protein. Different mixed feeding schedules of these two diets were developed. These include: one day Coppen followed with one-day basal diet feeding (1A+1B), two days Coppen followed with one-day basal diet feeding (2A+1B) and three days Coppen are followed with one-day basal diet feeding (3A+1B). Growth performance, feed utilization, survival and carcass composition were significantly better (p<0.05) between A and 3A+1B in terms of final weight, daily weight gains as well as specific growth rate. On the whole, 13.02% feeding cost savings relative to A was obtained for fingerlings maintained on 3A+1B. Fish farmers should adopt this mixed feeding schedule for cost-effective culture of C. gariepinus.


Dietary Protein, Feeding Cost, Nutrient Utilization, African Catfish


© 2017 by the authors. Licensee International Technology and Science Press Limited. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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