Growth and Economic Performance of Clarias gariepinus Fry Reared at Various Stocking Densities
Ajani EK, Orisasona O* and Jenyo-Oni A
Department of Aquaculture and Fisheries Management, University of Ibadan, Ibadan, Nigeria
- *Corresponding Author:
- Orisasona O
Department of Aquaculture
and Fisheries Management
University of Ibadan Ibadan, Nigeria
E-mail: [email protected]
Received Date: May 27, 2015 Accepted Date: June 11, 2015 Published Date: June 24, 2015
Citation: Ajani EK, Orisasona O, Jenyo-Oni A (2015) Growth and Economic Performance of Clarias gariepinus Fry Reared at Various Stocking Densities. J Fisheries Livest Prod 3:136. doi:10.4172/2332-2608.1000136
Copyright: © 2015 Ajani EK, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
The biological and economic performance of Clarias gariepinus fry was investigated at various stocking densities. Five aquaria tanks were stocked at 100 (STK1), 150 (STK2), 200 (STK3), 250 (STK4) and 300 (STK5) fry/L. Triplicate groups of experimental fish were fed for 28 days with commercial diets. Water quality parameters were monitored throughout the experimental period, with pH, dissolved oxygen and temperature within the recommended range for the culture of C. gariepinus. Mean weight gain was significantly higher (P<0.05) in STK1 and STK 2 groups. Specific growth rate also followed the same trend, with the highest (8.47) recorded in STK 1, while the least (6.55) was recorded in STK 5. Performance indicator reduced with increasing stocking density. Profitability index were high in STK1 (3.21) and STK2 (3.30) while Incidence of costs were significantly lower in these two groups. This study reveals that stocking density significantly affects the performance and survival of fry of the African catfish, therefore stocking density of 100- 150 fry/L is recommended for C. gariepinus fry.