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All Journal Jurnal Agroristek Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Jurnal Perikanan
Deni Aulia
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Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Education Engineering

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Journal : Jurnal Perikanan

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UJI DAYA ANTIBAKTERI EKSTRAK DAUN KETAPANG (Terminalia catappa L) TERHADAP PERTUMBUHAN BAKTERI Vibrio harveyi SECARA IN VITRO Deni Aulia; Artin Indrayati; Dewi Virgiastuti Jarir; Bagus Hadiwinata; Bambang Suprakto; Nunung Sabariyah; Sri Wartini
Jurnal Perikanan Unram Vol 14 No 1 (2024): JURNAL PERIKANAN
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jp.v14i1.764

Abstract

Bakteri Vibrio harveyi merupakan penyakit bakterial yang banyak dijumpai pada kegiatan budidaya perikanan. Penggunaan antibiotik dalam pencegahan dan pengobatan serangan penyakit menyebabkan efek negatif. Daun Ketapang (Terminalia catappa L) diketahui mengandung senyawa kimia seperti flavonoid, alkaloid, fenolik, tanin, dan saponin yang dapat berperan sebagai antibakteri. Penelitian ini bertujuan untuk mengetahui daya antibakteri ekstrak daun Ketapang terhadap pertumbuhan bakteri Vibrio harveyi. Uji daya antibakteri dilakukan dengan 5 jenis perlakuan yaitu 1 perlakuan tanpa daun Ketapang (kontrol) dan 4 perlakuan daun Ketapang dengan konsentrasi yang berbeda yaitu 15, 30, 60, dan 120gram daun ketapang/liter. Masing - masing perlakuan terdiri dari 3 pengulangan. Ekstrak daun Ketapang menunjukkan daya antibakteri terhadap pertumbuhan bakteri Vibrio harveyi dengan rerata hambatan masing – masing konsentrasi (Mean ± SEM) yaitu 7,53 ± 0,13 mm (15 gram/liter); 7,70 ± 0,36 (30 gram/liter); 8,25 ± 0,15 (60 gram/liter); and 9,62 ± 0,83(120 gram/liter). Perlakuan tanpa daun Ketapang (kontrol) tidak menunjukkan daya antibakteri. Ekstrak daun Ketapang menunjukkan daya antibakteri terhadap pertumbuhan bakteri Vibrio harveyii dengan daya antibakteri sebanding terhadap konsentrasi ekstrak.
AVOCADO LEAF AND FRUIT EXTRACT (PERSEA AMERICANA MILL) AS A FEED ADDITIVE FOR NILE TILAPIA (OREOCHROMIS SP.) Deni Aulia; Dewi Virgiastuti Jarir; Isnainisa Woro Charity; Maqzanil Asywaq; Nunung Sabariyah; Umidayati Umidayati; Artin Indrayati
Jurnal Perikanan Unram Vol 14 No 3 (2024): JURNAL PERIKANAN
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jp.v14i3.1034

Abstract

Nile tilapia (Oreochromis sp.) is one of the freshwater fish highly favored by fish farmers in Indonesia. The use of feed additives in fish diets to accelerate growth and enhance immunity has been widely practiced. Avocado is a natural plant known for its beneficial chemical compounds. This study aims to investigate the potential of avocado fruit and leaf extracts as feed additives for Nile tilapia. The Nile tilapia, with an average weight of 2.0 g/fish, were reared in 21 aquariums at a density of 16 fish/aquarium for 30 days. Avocado leaf and fruit extracts were mixed into the feed before being given to the fish. The study included seven treatments: avocado leaf extract at 5%, 10%, and 20% (DA5, DA10, and DA20), avocado fruit extract at 5%, 10%, and 20% (BA5, BA10, and BA20), and a control group without treatment (C). The final fish weight, weight gain, specific growth rate, and survival rate of Nile tilapia with avocado leaf and fruit extract treatments were higher compared to the control group. Conversely, the condition factor of fish without treatment was higher compared to those with treatments. Avocado fruit extract showed a more beneficial effect compared to avocado leaf extract. The use of higher doses of extracts demonstrated a better positive impact on Nile tilapia. Avocado fruit extract at a dose of 20% showed the best results for application in aquaculture activities.
Co-Authors Aditya Bramana Angkasa Putra Artin Indrayati Artin Indrayati Bagus Hadiwinata Bambang Suprakto Dadan Zulkifli Dwi Hertanto Hendra Irawan Isnainisa Woro Charity Jabbar, Meuthia Aula Jarir, Dewi Virgiastuti Maqzanil Asywaq Nunung Sabariyah Nunung Sabariyah Ratna Suharti Siti Mira Rahayu Sri Wartini Umidayati Umidayati Yuni Fast Track Anjeli Sihombing