Author(s): Apsari Widyadhana, Tristiana Yuniarti and Desrina

Abstract: The purpose of this research was to determine the effect of the duration of soaking carp eggs in starfruit extract on the adhesiveness and hatching rate of the eggs. The production of carp seeds in the aquaculture sector has a limited system, thick mucus on carp eggs can affect the hatchability rate. Mucus that is too thick will cause the eggs to clump, thus inhibiting embryo development. Tannins can bind proteins in carp egg mucus glycoproteins which can reduce adhesiveness. Different time for soaking carp eggs in starfruit extract are needed to find out whether glycoproteins will accumulate along with the length of soaking. The number of treatment containers was 12 using jars with a volume of 10 liters. There were 4 treatment levels and 3 replications. The treatments tested were the length of time for soaking carp eggs in starfruit extract for A (0 minutes), B (5 minutes), C (10 minutes), and D (15 minutes). The extract dose used was 4 ml/L. The results of the research that has been carried out show that soaking carp eggs for 15 minutes produces the lowest adhesive power of 54.00% and the highest hatching power of 86.00%.

DOI: 10.22271/fish.2025.v13.i5d.3170

Pages: 294-299  |  83 Views  43 Downloads

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