Effect of using different initial temperatures and fish densities on the transportation of Siamese catfish (Pangasianodon hypophthalmus).

Fisheries

This study aims to analyze the influence of initial temperatures and different densities that can maintain the highest survival on the closed transport system of Siamese catfish juveniles (Pangasionodon hypophthalmus). The research was carried out from May to August 2022 at the Ciparanje wet laboratory, Faculty of Fisheries and Marine Sciences, Universitas Padjadjaran. The research method used is an experimental method using a Factorial Group Randomized Design (FGRD) which consists of two factors, namely the treatment of three initial temperature levels (16°C, 20°C, and 24°C) and a three-level density (10 fish/L, 15 fish/L, and 20 fish/L) which is repeated three times. This research using closed-system transport method. The results showed that the initial temperature treatment of 16oC during transportation with a density of 15 fish/L was the best result in an induction time of 2 minutes 45 seconds, a conscious recovery time of 4 minutes 39 seconds, the highest post-transport survival rate of 86.67%, and post-maintenance for 7 days of 71%, as well as water quality in the form of DO of 6,80 mg/l, pH of 7,34 and ammonia of ±0.0057 mg/l, at a duration of transportation of 5 hours.

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