Irnidayanti Y, Reforina A, Andriyanto S. Effects of Extract of Betel Leaf (Piperaceae) against Ectoparasite "Ich" on Pangasius Catfish.
Pak J Biol Sci 2021;
24:905-912. [PMID:
34486358 DOI:
10.3923/pjbs.2021.905.912]
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Abstract
<b>Background and Objective:</b> Freshwater fish aquaculture in Indonesia has grown rapidly, especially the aquaculture of catfish (<i>Pangasianodon hypophthalmus</i>). This species is very good because it is fast-growing and very popular in the market and is important for national food security in many Asian countries. One of the problems faced by freshwater fish aquaculture is ectoparasite <i>Ichthyophthirius multifiliis</i> infection, which often results in significant economic losses to freshwater fish aquaculture. This study aimed to check the effect extract of betel leaf against the ectoparasite, <i>Ichthyophthirius multifiliis</i> in pangasius catfish in an eco-friendly manner. <b>Materials and Methods:</b> A total of 120 fishes with a mean weight of 4.17±0.96 g and a length of 8.5±0.67 cm were examined. Preliminary research was carried out to detect ectoparasites in fish. All fish was infected with ectoparasitic Ich (100%) and were identified as a salt-like granule white spot and a large C-shaped macronucleus. Infected fishes were transferred and equally distributed to the tank (20 L water) which had previously been treated with betel leaf extract for 24 hrs, 3 days, at doses 2.5, 5 and 7.5 g L<sup></sup><sup>1</sup> and control. <b>Results:</b> The results showed that the betel leaf extract solution effect decreased significantly to the number of ectoparasites <i>Ichthyophthirius multifiliis</i>, both in mucus and pangasius catfish and a dose of 7.5 g L<sup></sup><sup>1</sup> was the optimum dose. <b>Conclusion:</b> Betel leaf extract has the potential to control the decrease in the number of ectoparasites, though further phytochemical studies will need to be performed.
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