L C Adene


The growth performance and feed utilization efficiency of Juvenile Clarias gariepinus fed heat processed and dehulled Jatropha curcas kernel meal (JCKM) was investigated using Ten fish with an average weight of 8.9g which were randomly distributed into five experimental diets in replicates for 42days. The processed JCKM used were: Sand roasted, Autoclaved, Boiled in replacement of Soya-bean meal at 33.33% per diet. The diets were fed to C. gariepinus of juvenile at 5% body weigth. The highest growth performance and feed utilization efficiency was recorded for fish fed with diet of no JCKM replacement followed by sand roasted JCKM based diet. There was no significant difference between the two diets at p>0.05. The low fed utilization efficiency observed in fish fed boiled, autoclaved and raw JCKM leads to decrease in growth performance which can be due to high concentration of Anti-nutritional factors such as Phorbol esteres, Saponins and Curcin. Therefore, JCKM can be used to replace Soya beans in the diet of freshwater fish when Sand-roasted.
Keywords: Growth, Feed utilization, Clarias gariepinus, Jatropha curcas



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