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All Journal Jurnal Natur Indonesia Asian Journal of Aquatic Sciences Jurnal Abdi Insani Aceh Journal of Animal Science South East Asian Marine Sciences Journal South East Asian Aquaculture South East Asian Management Concern Journal Agriculture and Biological Technology Tropical Marine Environmental Sciences
Riswan, M
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Leukocytes Differentiation of Goldfish (Carassius auratus) Infected with Aeromonas hydrophila Bacteria and Post-treatment with Propolis Solution Riswan, M.; Lukistyowati, Iesje; Syawal, Henni
Jurnal Natur Indonesia Vol 19, No 1 (2021): April 2021
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jnat.19.1.6-12

Abstract

This study aims to determine the best dose of propolis to treat Carassius auratus infected with Aeromonas hydrophila seen leucocyte differentiation from C.auratus. The method used was experimental method with Completely Randomized Design (CDR) with one factor consisting of five treatment levels and three replications. The treatment was Kn (not infected with A. hydrophila and untreated propolis), Kp (infected with A. hydrophila but not treated with propolis), and fish infected with A. hydrophila treated propolis with dose P1 (700 ppm), P2 (800 ppm), and P3 (900 ppm). Treatment is done by injection of propolis in fish infected by A. hydrophila in intramuscular. The fish used are 8-10 cm in size and kept for 14 days post-infection. The results showed that propolis solution has been able to treat C. auratus from infected A. hydrophila. The dose of propolis 800 ppm is the best dose to treat C. auratus infected A.hydrophila, seen from leukocyte differentiation (lymphocyte 80,25%, monocytes 10,09% and neutrophils 9,66%).
Composition of mangrove and macrozoobenthos species ar Lhok Buon Beach, Samatiga District, West Aceh Regency Wahyuni, Sri; Munandar, Munandar; Lisdayanti, Eka; Mursawal, Asri; Kurniawan, Ronal; Riswan, M.
South East Asian Marine Sciences Journal Vol. 2 No. 1 (2024): September
Publisher : Science, Technology, and Education Care

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61761/seamas.2.1.17-21

Abstract

Lhok Bubon Beach is a unique coastal area because it has complete biota, namely mangrove forests and macrozoobenthos. This research looks at the composition of mangroves and macrozoobenthos on Lhok Buon Beach. The method used in this research is a survey with three sampling stations. Determination of stations uses purposive sampling with different characteristics and 3 station plots measuring 10x10m. The research results show that the highest macro zoobenthos composition was obtained at station 3 and the lowest at station 1. The diversity index was classified as low, uniformity was medium and high at station 3, and no mangroves dominated at any station. Environmental quality is still relatively good for mangroves and macrozoobenthos
OSMOTIC PERFORMANCE AND GROWTH RATE OF STRIPED CATFISH (Pangasianodon hypohthalmus) AT DIFFERENT SALINITY Riswan, M; Syawal, Henni; Tang, Usman M
Asian Journal of Aquatic Sciences Vol. 5 No. 1 (2022): April
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/

Abstract

The aim of this study was to analyze the effects of different salinities on osmotic performance rate, growth performance, and oxygen consumption rate Pangasianodon hypophthalmus. The method used is an experimental method by applying a completely randomized design (CRD) with four treatments, salinity 0 ppt, salinity 5 ppt, salinity 7 ppt, and salinity 9 ppt. The fish specimen used is 8 cm in length, weighing 4 g, were raised in a 54 L tank containing 40 L of water at a density of 1 fish 2 L-1 and kept for 45 days. Feed with commercial pellet 3 times a day in at satiation. The treatment with 5 ppt salinity showed the best effects, yielding an osmotic performance rate of 21,66 mOsm/I H2O, absolute weight growth of 9,63 g, the absolute length of 3.54 cm, the specific growth rate of 2,99 %, the oxygen consumption rate of 0,410 mgO2/g body weight/hour and survival rate 100 %. The water quality is at a level suitable for the growth of P. hypophthalmus. It was concluded that 5 ppt salinity can minimize the value of the osmotic performance rate, increase growth rates, minimize the level of oxygen consumption and increase.
POTENTIAL OF VARIOUS INDONESIAN MEDICINAL PLANTS TO INHIBIT THE GROWTH OF Aeromonas hydrophila BACTERIA Kurniawan, Ronal; Windarti, Windarti; Effendi, Irwan; Putri, Mega Novia; Syahputra, Tomi; Gusriansyah, Dimas; Riswan, M
Asian Journal of Aquatic Sciences Vol. 7 No. 2 (2024): August
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/ajoas.7.2.299-304

Abstract

Aeromonas hydrophila is a gram-negative bacterium that can infect fish and is zoonotic to humans. Efforts to prevent this bacterial infection can be made using herbal plants due to the content of secondary metabolite compounds. This study aims to explore plants that have the potential as antibacterials, especially A. hydrophila bacteria. This research was conducted in February 2024 at the Marine Biotechnology Laboratory, Faculty of Fisheries and Marine Sciences, Universitas Riau. The experimental method used included the stages of preparation of plant leaf samples and antibacterial tests using Kirby-Bauer discs. The plants used were the leaves of senduduk (Melastoma malabathricum), kantong semar (Nepenthes sp), lime (Citrus aurantifolia), belimbing bukit (Acetosella barreligeri), sirsak (Annona muricata), mucuna (Mucuna bracteata), Israel grass (Asystasia gangetica), and miana (Coleus scutellariodes). The results showed that the leaves of kantong semar, senduduk, and belimbing bukit could inhibit bacterial growth in a strong category. In contrast, the leaves of sirsak, mucuna, Israel grass, miana, and lime were classified as moderately inhibiting the growth of A. hydrophila bacteria. In conclusion, these herbal plants can potentially prevent A. hydrophila bacterial infection
HISTOPATHOLOGICAL OF STRIPED CATFISH (Pangasianodon hypophthalmus) REARED IN DIFFERENT SALINITIES Riswan, M; Syawal, Henni; Tang, Usman M; Effendi, Irwan; Kurniawan, Ronal; Wahyuni, Sri; Putri, Mega Novia
Asian Journal of Aquatic Sciences Vol. 8 No. 1 (2025): April
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/ajoas.8.1.1-6

Abstract

This study aimed to discover the effects of different salinities on histopathological Pangasianodon hypophthalmus. The method used is experimental by applying a completely randomized design (CRD) with four treatments: salinity 0 ppt, salinity 5 ppt, salinity 7 ppt, and salinity 9 ppt. The fish specimen is 8-10 cm in length and weighs 5 g. It was raised in a 54 L tank containing 40 L of water at a density of 2 fish 1 L-1 and kept for 45 days. Feed with commercial pellet 3 times a day in satiation. The results showed histopathological changes in gills and kidneys occurred at a salinity of 9 ppt. Chloride cell hypertrophy and secondary lamella bend in the gill organs, while the kidneys have acute tubular necrosis. Meanwhile, a salinity of 7 ppt resulted in abnormalities in the kidney organs with hemorrhage. It can be concluded that a salinity of 5 ppt indicates a safe salinity condition for the maintenance of striped catfish.
OSMOTIC PERFORMANCE AND GROWTH RATE OF STRIPED CATFISH (Pangasianodon hypohthalmus) AT DIFFERENT SALINITY Riswan, M.; Syawal, Henni; Tang, Usman M.
Asian Journal of Aquatic Sciences Vol. 5 No. 1 (2022): April
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/

Abstract

The aim of this study was to analyze the effects of different salinities on osmotic performance rate, growth performance, and oxygen consumption rate Pangasianodon hypophthalmus. The method used is an experimental method by applying a completely randomized design (CRD) with four treatments, salinity 0 ppt, salinity 5 ppt, salinity 7 ppt, and salinity 9 ppt. The fish specimen used is 8 cm in length, weighing 4 g, were raised in a 54 L tank containing 40 L of water at a density of 1 fish 2 L-1 and kept for 45 days. Feed with commercial pellet 3 times a day in at satiation. The treatment with 5 ppt salinity showed the best effects, yielding an osmotic performance rate of 21,66 mOsm/I H2O, absolute weight growth of 9,63 g, the absolute length of 3.54 cm, the specific growth rate of 2,99 %, the oxygen consumption rate of 0,410 mgO2/g body weight/hour and survival rate 100 %. The water quality is at a level suitable for the growth of P. hypophthalmus. It was concluded that 5 ppt salinity can minimize the value of the osmotic performance rate, increase growth rates, minimize the level of oxygen consumption and increase.
Potensi Tanaman Sagu (Metroxylon sagu) di Kabupaten Kepulauan Meranti : Tinjuan Literatur Putri, Mega Novia; Kurniawan, Ronal; Karsih, Okta Rizal; Apriliani, Elisa; riswan, M.
Agriculture and Biological Technology Vol. 2 No. 2 (2025): Juni
Publisher : Science, Technology, and Education Care

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61761/agiotech.2.2.34-39

Abstract

Kabupaten Kepulauan Meranti di Provinsi Riau merupakan salah satu wilayah penghasil sagu terbesar di Indonesia, dengan potensi produksi yang diperkirakan mencapai hampir 3,92 juta ton beras sagu pada tahun 2040. Selain sebagai sumber pangan, sagu juga menghasilkan limbah yang dapat dimanfaatkan untuk berbagai produk bernilai seperti pakan ternak, pupuk organik, dan bioenergi, yang mendukung keberlanjutan dan pengurangan dampak negatif terhadap lingkungan. Namun, pemanfaatan sagu masih dihadapkan pada kendala rendahnya nilai tambah produk, keterbatasan teknologi pengolahan, serta akses pasar yang terbatas. Artikel ini bertujuan untuk mengeksplorasi potensi agronomis, sosial-ekonomi, dan lingkungan dari sagu di Kabupaten Kepulauan Meranti, serta mengidentifikasi tantangan dan peluang dalam pengembangannya. Metode yang digunakan adalah studi kepustakaan dengan menganalisis berbagai literatur relevan antara tahun 2010 hingga 2024. Hasil penelitian menunjukkan bahwa sagu memiliki potensi besar sebagai komoditas unggulan dengan dampak positif terhadap ketahanan pangan dan perekonomian lokal. Namun, pengembangannya memerlukan peningkatan teknologi pengolahan, dukungan infrastruktur, dan penguatan akses pasar. Sagu juga memiliki peluang sebagai bahan baku bioenergi yang ramah lingkungan, khususnya bioetanol. Untuk memaksimalkan potensi ini, diperlukan sinergi antara pemerintah, lembaga penelitian, pelaku usaha, dan masyarakat lokal dalam meningkatkan nilai tambah produk dan pengembangan industri berbasis sagu.
Madu Kelulut dan Kesejahteraan Masyarakat: Analisis Potensi Pengembangan di Kepulauan Meranti Kurniawan, Ronal; Putri, Mega Novia; Karsih, Okta Rizal; Riswan, M.
Agriculture and Biological Technology Vol. 2 No. 2 (2025): Juni
Publisher : Science, Technology, and Education Care

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61761/agiotech.2.2.40-45

Abstract

Literatur review ini mengkaji potensi madu kelulut (Trigona spp.) yang dihasilkan di Kabupaten Kepulauan Meranti, Provinsi Riau, Indonesia, sebagai komoditas bernilai ekonomi tinggi dengan manfaat kesehatan yang beragam. Melalui pendekatan literatur review komprehensif, penelitian ini menganalisis karakteristik biologis lebah kelulut, sifat fisikokimia madu yang dihasilkan, serta konteks ekologis yang mendukung budidaya lebah ini di kawasan tersebut. Hasil analisis menunjukkan bahwa madu kelulut memiliki kandungan antioksidan tinggi, serta aktivitas antibakteri dan anti diabetes yang signifikan. Karakteristik madu kelulut dipengaruhi oleh faktor ekologis setempat, terutama keberadaan tanaman kelapa sebagai sumber nektar dan polen yang berlimpah. Budidaya lebah kelulut telah terbukti memberikan kontribusi positif terhadap perekonomian masyarakat lokal melalui pengembangan produk bernilai tambah dan pemberdayaan kelompok tani. Simpulan, madu kelulut dapat menjadi tidak hanya sumber peningkatan kesejahteraan ekonomi masyarakat lokal tetapi juga kontributor penting dalam pelestarian keanekaragaman hayati dan pengembangan produk kesehatan alami Indonesia
Potensi Bioremediasi Eceng Gondok (Eichhornia crassipes) pada Ekosistem Perairan: A Review Karsih, Okta Rizal; Kurniawan, Ronal; Putri, Mega Novia; Riswan, M; Gusriansyah, Dimas
Agriculture and Biological Technology Vol. 2 No. 2 (2025): Juni
Publisher : Science, Technology, and Education Care

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61761/agiotech.2.2.46-51

Abstract

Pencemaran perairan global membutuhkan solusi remediasi efektif dan berkelanjutan. Eceng gondok (Eichhornia crassipes), meski dikenal sebagai gulma invasif, memiliki potensi signifikan sebagai agen fitoremediasi berkat karakteristik pertumbuhan cepat, biomassa tinggi, sistem perakaran ekstensif, dan toleransi besar terhadap berbagai polutan. Kemampuan fitoremediasi eceng gondok mencakup akumulasi logam berat hingga 6.000 mg/kg berat kering, pengurangan hidrokarbon minyak bumi hingga 79%, dan penyerapan nutrisi berlebih dari perairan eutrofik. Mekanisme utama meliputi fitoekstraksi, fitostabilisasi, rizofiltrasi, dan fitodegradasi, dengan efisiensi yang dipengaruhi oleh pH, suhu, dan konsentrasi polutan. Tantangan penerapan skala besar meliputi sifat invasif yang dapat mengganggu ekosistem akuatik dan kebutuhan manajemen intensif. Penelitian lanjutan diperlukan untuk mengoptimalkan efisiensi dan keberlanjutan eceng gondok sebagai teknologi hijau dalam pemulihan perairan tercemar
The Potential of Marine Bacteria in Plastic Biodegradation: A Review Riswan, M; Ronal Kurniawan; Effendi, Irwan; Mega Novia Putri
Tropical Marine Environmental Sciences Vol. 3 No. 2 (2025): May
Publisher : Department of Marine Science, Faculty of Fisheries and Marine Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/tromes.3.2.67-70

Abstract

Ocean plastic pollution has become a significant problem affecting ecosystems and human health. One promising approach to address this issue is biodegradation by marine microorganisms, particularly bacteria. This article reviews recent studies (2021–2024) exploring the ability of marine bacteria to degrade plastics. Based on the research, certain marine bacteria have been proven capable of producing enzymes effective in breaking down various plastics. The article also discusses the challenges and opportunities in developing biotechnology based on marine bacteria to tackle plastic pollution
Co-Authors agustina, imelda Alfinda, Rudi Apriliani, Elisa Eka Lisdayanti Fuah, Ricky Winrison Gurki, Yeni Safitri Gusriansyah, Dimas Halim, Raji Ufranal Henni Syawal Iesje Lukistyowati Irwan Effendi Irwan Irwan Karsih, Okta Rizal Mega Novia Putri Mulyani, Riska Munandar Munandar Mursawal, Asri Nur Ikhlas Syuhada Putri, Mega N. Putri, Mega Novia Putri, Rianti Ronal Kurniawan Ronal Kurniawan Rusminda, Heni Salsabila, Nanda Shafira, Cut Nisa Sri Wahyuni Syahputra, Tomi Usman Muhammad Tang Windarti Windarti