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Effectiveness of Mangrove Leaf Extract (Rhizophora apiculata) in Preventing Vibrio alginolyticus Infection in White Snapper (Lates calcarifer) Afrina, Afrina; Putra, Agus; Febri, Suri Purnama; Nazlia, Suraiya; Suri Purnama Febri
Jurnal Media Akuakultur Indonesia Vol 5 No 3 (2025): Indonesian Journal of Aquaculture Medium
Publisher : Program Studi Budidaya Perairan Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/56mway73

Abstract

White snapper (Lates calcarifer) is a marine fish that has important economic value and contains high nutritional value as a consumption fish. In the white snapper cultivation system, the emergence of disease outbreaks is one of the main threats. One of the diseases that often occurs in white snapper cultivation is bacterial disease. The type of bacteria that causes serious disease and threatens the economy and sustainability of white snapper production is Vibrio alginolyticus.This study aims to analyze the effectiveness of soaking mangrove leaf extract (Rhizophora apiculata) in white snapper to prevent Vibrio alginolyticus and to determine the appropriate dose of mangrove leaf oil extract to prevent Vibrio alginolyticus bacterial disease.The research method used is a Completely Randomized Design (CRD) with 4 treatments and 3 replications. The treatments were: P1 = 0 ml mangrove extract/L, P2 = 0.5 ml mangrove extract/L, P3 = 1.5 ml mangrove extract/L and P4 = 2.5 ml mangrove extract/L Results: The best healing time was found in P4 with a duration of 23 hours and the best survival was also found in P4 with a percentage of 96.67%, while the lowest survival was found in P1 at 56.67%. The range of water parameters during the study were temperature in the range of 28oC-29oC, pH 8, DO 4-5 mg/L water, salinity 31 ppt, ammonia 0.4, nitrate <0.01 and nitrite <0.1. The conclusion of this study is that soaking in standard oil leaf extract is effective in preventing Vibrio alginolyticus bacteria in white snapper.
Effectiveness of using liquid organic supplements (LOS) on the growth and survival of crayfish (Cherax quadricarinatus) Saputra, Dedy Nurwan; AS, Agus Putra; Febri, Suri Purnama; Nazlia, Suraiya
Acta Aquatica: Aquatic Sciences Journal Acta Aquatica, Vol. 12: No. 3 (December, 2025)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/aa.v12i3.20239

Abstract

Aquaculture is an important sector in meeting global protein needs, where crayfish (Cherax quadricarinatus) has high economic potential. However, residual feed waste and degradation of the aquaculture environment often become major challenges, inhibiting growth and lowering the survival rate of crayfish. This study aims to analyze the effectiveness of using liquid organic supplements (LOS) in increasing the growth and survival of crayfish, as well as determining the optimal dose. The study used a completely randomized design (CRD) with four treatments and three replications with SOC doses of P1 = 0 ml/liter of water, P2 = 0.5 ml/liter of water, P3 = 1 ml/liter of water and P4 = 1.5 ml/liter of water. Parameters measured included absolute length growth, absolute weight, daily growth rate, and survival rate. The results showed that the provision of SOC had a significant effect on the growth of absolute length, absolute weight, and survival rate (P<0.05), but not significant on daily growth rate. The treatment with a dose of 1.5 ml/liter of water (P4) produced the best growth and survival performance, with an average absolute length growth of 1.3 cm, absolute weight of 0.58 grams, and a survival rate of 96%. The conclusion of this study is that SOC is effective for increasing the productivity of crayfish farming at a dose of 1.5 ml/liter of water. Keywords: Crayfish; Growth; Liquid Organic Supplement; Survival
Co-Authors Abbas, Muhammadar Abdullah Adrian Damora Afdhal Fuadi Afriana, Safrida Afriani, Sari Afrina, Afrina Agus Putra AS Almuqaramah, T.M. Haja Antoni Antoni Ashabul Kahfi, Ashabul Azmi, Fauziah Azwar Thaib Devani, Khairul Dewi, Cut Dara Faisal Mustafa Faisal Syahputra, Faisal Fakhrul Razi, Fakhrul Febri, Suri Purnama Fikri, Andrian Fitri, Sri Gunawan Hanisah, Hanisah Harahap, Antoni Hasanah Hasanah Haser, Teuku Fadlon Husna, Uswatun Ika Rezvani Aprita Iko imelda arisa, Iko imelda Indradewa, Rhian Isma, Muhammad Fauzan Ismarica Ismarica, Ismarica Iwan Hasri, Iwan Kavinta Melanie Khumaira Khumaira, Khumaira Lestari Lestari Lia Handayani, Lia Lilis Nurjanah Malahayati, Shadiqa Maulana, Dara Maulana, Febri Maulida, Cici Maulida, Siti Moranda, Dayva Putri Muh. Saleh Nurdin Muhammad Syahril Mukhlis Mukhlis Munawarah Munawarah, Munawarah Muntazir Nasution, Lucky Marzuki Nataya, Anim Hajar Naufal, Agus Novita, Cut Rizky NST, Natasya Nur Hayati Nurfadillah Nurhayati Nurhayati Nuzlia, Cut Perdana, Adli Waliul Purba, Ivrado Putra, Agus Putra, Dedi Fazriansyah Putri Maharani Putri, Ayu Nurtila Putri, Cut Lutfina Putriningtias, Andika Rachmawati Rusydi, Rachmawati Rasuldi, Riza Renanti, Tia Riski, Ade Maya Rizwan, T Rusyani, Emy Rusydi, Ichsan Rusydi, Rachmawaty Said Ali Akbar Saifuddin Saifuddin Saputra, Dedy Nurwan Sari, Nurdian Novita Setyawan, Febby Hadi Sihombing, Andri Sinaga, Agustinus Siska Mellisa Siti Komariyah Sri Agustina, Sri Suri Purnama Febri Syahie, Abdilah Taqiyah , Anisah Taqiyah, Anisah Tumiharti, Tumiharti Widya, Devita Aristya Sri Yolanda, Riska Z A, Muchlisin Zafrina Zulfiadi, Zulfiadi