Study of Dissolved Glucose Feeding on the Juvenile Redclaw Crayfish(Cherax quadricarinatus) Maintenance

Abstract

The Crayfish is a type of shrimp (crustacean) with a high economic value and potential to be developed. However, the primary challenge faced during the cultivation is the inadequate availability of seeds due to low survival, specifically in the juvenile stage. The issue is often attributed to the insufficient quality of feed provided, leading to unmet nutrient requirements. Therefore, this study aimed to assess the effect of the dissolved glucose on the performance and survival of the juvenile crayfish at Pacellekang Village, Pattalassang District, Gowa Regency. The method adopted was a completely randomized design (CRD) with 4 treatment doses of dissolved oxygen (DO), namely 0, 50, 100, and 150ppm, as well as 3 replications. The freshwater crayfish juveniles were kept in black plastic basins of 30L volume. The feed given was artemia and artificial pellets supplemented with dissolved glucose. The analysis results of variance indicated that the administration of dissolved glucose at a dose of 100ppm had a very significant effect (P< 0.01). At this concentration, there was a significant improvement in various parameters, including body glucose levels (initial: 30.33mg/ dL, mid: 76.66mg/ dL, final: 197.33mg/ dL), body energy (286.67Kcal/ Kg), stress resistance (47.67), and survival rate (68.33%). Meanwhile, the lowest performance was observed, with corresponding values for body glucose levels (initial: 30.33mg/ dL, mid: 38.66mg/ dL, final: 86.33mg/ dL), body energy (237.67Kcal/ Kg), stress resistance (68.00), and survival rate (20.84%).

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