Efficacy of Dietary Supplementation of Phytobiotics on the Growth Performance and Survival of African Catfish, Clarias Gariepinus

By : Olawoye, Oluwatosin Phebian , Olusola, Sunday Emmanuel

Page No: 217-229

Abstract
The growth performance of Clarias gariepinus on diets containing Turmeric Rhizome (TR) and Neem Leaves (NL) extracts were investigated. Growth experiments were replicated twice with 20 C. gariepinus juveniles (6.33±0.01g) per replicate in 18 tanks and were carried out for 12 weeks. Nine (9) experimental diets composed of Control (0%), TR 2 (1%), TR 3 (2%), TR 4 (3%), NL 5 (1%), NL 6 (2%), NL 7 (3%), CHR 8 (15mg/kg diet) and CHR 9 (30mg/kg diet) were fed twice daily at 3% body weight. Mean Weight Gain (MWG), Specific Growth Rate (SGR), and Feed Conversion Ratio (FCR) were measured. Temperature, dissolved oxygen and pH were determined using standard methods. Data were analyzed using descriptive statistical and ANOVA at P=0.05. Fish on turmeric rhizome based diets had higher growth rate than the control diet but C. gariepinus juveniles fed TR 2 had significant higher MWG, SGR, and FCR of 8.53±1.40g, 0.44±0.05 and 0.47±0.03 respectively. The values of pH, dissolved oxygen and temperature obtained were within the recommended limit for cultured fish. Fish fed C. longa and A. indica diets had improved mean weight gain, specific growth rate, feed conversion ratio and their application in organic aquaculture would enhance fish productivity.

Authors :
Olusola, Sunday Emmanuel And Olawoye, Oluwatosin Phebian
Department of Biological Sciences (Fisheries and Aquaculture Programme), Ondo State University of Science and Technology, Okitipupa.
 

DOI: http://doi.org/10.32381/JAT.2019.34.3-4.8