The Use of Pine Apple Juice in the Elimination of Egg Stickiness in Catfish (Clarias gariepinus), Reared in a Hatchery, Sebeta, Ethiopia

This study was conducted from May to June 2018 at the National Fishery Hatchery in Ethiopia and aimed to assess the effectiveness of pineapple juice in the elimination of egg stickiness and improved hatchability rate in Clarias gariepinus.There were four different concentrations of pineapple juice tested: 0% (without juice), 1%, 3%, and 5%.The result revealed that egg stickiness was reduced dose-dependently (p < 0.05), with the 5% concentration showing the greatest reduction (59%) compared to the control group (77%).However, it was noted that higher concentrations of pineapple juice have adversely affected egg hatching and fertilization rates.The minimum observed fertilization rate (45%) was observed at the highest concentration tested (5%), while the maximum (77%) was observed at lower concentrations (1%).Similarly, the minimum hatching rate (51.5%) was observed at higher concentrations (5%), with the maximum (71.3%) at 3% pineapple concentrations.Despite these variations, no significant difference (p > 0.05) in the survival rate of juvenile catfish was observed across different concentrations of pineapple juice.This finding highlights the potential of pineapple juice as a practical and accessible approach for improving catfish hatching operations.This study helps to optimize catfish breeding procedures and demonstrates the efficacy of natural treatments in aquaculture practices.