International Journal of Fisheries and Aquatic Studies
Volume 1, Issue 2, 2013
Growth Performance, Genotoxicity and Histopathology of The Tissues of African Catfish (Clarias Gariepinus) Fed Fermented Ginger peel Meal.
Author(s): Ashade Olufemi Olukayode; Olumide Adedokun Odeyemi; David, BamideleAyo; Aina, Oluwaseun Christiana; Sanyaolu, Adeniyi Adetola Akeem
Abstract: Fermented ginger peel meal (Zingiber officinale) was evaluated as a substitute for maize in the diet of Clarias gariepinus fingerlings over a period of 60 days. Ginger peels were fermented using pure cultures of Aspergillus niger fungus. The weekly weight gain was highest in fishes fed with 50% FGPM and was significantly higher (P>0.05) than fishes fed with control, 10%, 20% and 30% FGPM. The digestibility results showed that the P value is greater than 0.05 (P>0.05), there was no statistically significant difference between the control and all other digestibility parameters. Histological sections of the liver of all the fishes fed with the experimental diets, showed a liver with moderate fatty change, except with fishes fed with 30% FGPM which had a liver with severe fatty change. Also, the micronucleus test of the experimental fishes showed little nuclear abnormalities in fishes fed with 30% and 50% FGPM. This study indicated that fermented ginger peel meal could replace maize in the diet of Clarias gariepinus up until 50% inclusion without any adverse effect on the growth and nutrient utilization.
Histological sections of fish fed with control diet.
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