Length Growth of Sangkuriang Catfish (Clarias gariepinus) Fingerlings under Five Commercial Feeding Schedules
Pertumbuhan Panjang Benih Lele Sangkuriang (Clarias gariepinus) pada Lima Jadwal Pemberian Pakan Komersial
Abstract
Feeding schedules may affect the length growth of Sangkuriang catfish (Clarias gariepinus) fingerlings. This study compared five commercial feeding schedules for 5–7 cm fingerlings over 30 days. A completely randomized design included five treatments and five replicates (25 tanks, six fish per tank). The daily ration was fixed at 1.8 g per tank and divided into two to six feeding sessions at different times and intervals. Absolute length growth was assessed using one-way ANOVA and Tukey HSD at 5%, while temperature, pH, and dissolved oxygen were monitored. Length growth differed significantly among schedules (F(4,20) = 177.660; p < 0.001). Schedule C (06:00, 12:00, 18:00, and 00:00 local time) produced the highest growth (2.72 ± 0.13 cm) and differed significantly from all other schedules. Water temperature, pH, and dissolved oxygen did not differ significantly (p > 0.05). This result supports schedule C under the experimental conditions but does not isolate feeding frequency from feeding time.
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