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Journal : Jurnal Perikanan dan Kelautan

Description of Erythrocyte of Clarias gariepinus Infected by Aeromonas hydrophila and Treated with Bay Leaf Extract (Syzygium polyantha) Cerlina, Maya; Riauwaty, Morina; Syawal, Henni
Jurnal Perikanan dan Kelautan Vol. 27 No. 1 (2022): February
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

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

Abstract

Bay leaf (Syzygium polyantha) has antibacterial compounds like flavonoid, tannin, alkaloid, essential oil, vitamin C, and minerals. The purpose of this study was to obtain the best dose of bay leaf solution to cure catfish infected by Aeromonas hydrophila and seen from total erythrocytes, hemoglobin levels, hematocrit levels, and morphology of erythrocytes. The method used is an experimental method with a Completely Randomized Design (CRD), one factor with five treatments. The treatment applied is Kn (without immersed with bay leaf solution and not infected by A.hydrophila), Kp (without immersed with bay leaf solution and infected by A.hydrophila), P1 (100 ppm), P2 (1100 ppm), P3 (1200 ppm). The curing is done by immersed with bay leaf solution for 5 minutes, carried out three times with an interval of 24 hours. The results show that bay leaf solution able to cure catfish infected by A.hydrophila. The best dose is 1200 ppm with total erythrocytes was 244 x 106 cell/mm3, hemoglobin level was 11,67 g/dL, hematocrit level was 34,33% and the survival rate was 96,67%. Water quality during the study is temperature 27,3-28,0°C, pH 6,5-6,8, DO 3,4-4,2 mg/L and ammonia 0,016-0,019 mg/L.
Isolation of Lactic Acid Bacteria from Digestive Tract of Asian Swamp Eel (Monopterus albus) and Bacterial Antagonist Test to Inhibit Pathogenic Bacteria Aeromonas hydrophila and Pseudomonas sp Alfinda, Rudi; Lukistyowati, Iesje; Syawal, Henni; Putra, Iskandar
Jurnal Perikanan dan Kelautan Vol. 27 No. 3 (2022): October
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

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

Abstract

Lactic Acid Bacteria (LAB) are probiotic-forming bacteria that have characteristics, like be able to ferment sugar or carbohydrates and produce lactic acid as the final product of fermentation. The purpose of this study was to obtain isolates of lactic acid bacteria from the digestive tract of Asian Swamp Eel (Monopterus albus) and to determine the inhibition produced by these lactic acid bacteria in inhibiting pathogenic bacteria such as Aeromonas hydrophila and Pseudomonas sp. The method was used in this study is experimental method, by taking the digestive tract of Asian Swamp Eel and then identifying the lactic acid bacteria and characterized by morphological and biochemical characteristics and tested of the antagonist against the pathogenic bacteria A.hydrophila and Pseudomonas sp. using the Kirby Bauer disc method (disc method). From the research results obtained 5 types of candidate lactic acid bacteria with each code BL121, BL263, BL142, BL242 and BL342. The five isolates of lactic acid bacteria were able to inhibit A.hydrophila and Pseudomonas sp. with a Inhibition range of 8-16 mm. Based on the results of the study, there were three isolates that had inhibitory power against bacteria A. hydrophila (12-16 mm) and Pseudomonas sp (11-13 mm) with codes BL121, BL263 and BL142 and were classified as strong. The identification results obtained are bacteria from the genus Bacillus sp.
Histopathology of Gills and Liver of Tilapia (Oreochromis niloticus) Infected with Streptococcus agalactiae and Fed with Fermented Herbal Medicine Siallagan, Romensius Anggi AW; Syawal, Henni; Riauwaty, Morina
Jurnal Perikanan dan Kelautan Vol. 30 No. 2 (2025): June
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.30.2.219-226

Abstract

Streptococcus agalactiae is a pathogen that causes significant losses in tilapia (Oreochromis niloticus) aquaculture. One alternative control is the use of natural ingredients such as fermented herbs. This study aims to analyze changes in the histopathological structure of the gills and liver of tilapia fish fed with feed containing fermented herbs after being infected with S. agalactiae. The research was conducted from March to December 2023 at the Laboratory of Parasites and Fish Diseases, Faculty of Fisheries and Marine Sciences, Universitas Riau and Bukittinggi Veterinary Center. The method used was a one-factor, completely randomized design (CRD) with five treatments and three replicates. The treatments consisted of negative control (Kn), positive control (Kp), and three feed treatments with fermented herbal medicine doses of 100 (P1), 125 (P2), and 150 mL/kg feed (P3). S. agalactiae infection was carried out on day 31 at a dose of 10⁸ CFU/mL. The results showed that the P3 treatment gave the best results, characterized by minimal damage to gill tissue (only hypertrophy) and liver (mild vacuolar degeneration) and the highest survival rate of 83.33%. In conclusion, adding fermented herbal medicine at a dose of 150 mL/kg feed can increase the immunity of tilapia against S. agalactiae infection, as shown through the improvement of organ tissue structure and improved survival
Co-Authors Abdul Alif Abdul Alif Addilah, M. Fikri Adelina ' Afra Azizah Afrina Putri Afrizal Tanjung Alfian ' Alfinda, Rudi Alif, Abdul Amraini Fitri Anang Widarsa Andarini Diharmi Anderson.s, Roi Andesra, Andesra Andi Almer Farrand Noor Andre A Saragih, Andre A Andre Manusun Purba Anggriani, Rara Dewi Angraika Dirta Annisa Dwi Putri Anugrah, Rio Persal Anzila Rizki W Muharram Asmika Harnalin Simarmata Athif Amirah Elza Atika Talitha Erman Atria Martina Azizah, Afra Cerlina, Maya Chandra Chandra Chania Arnata Christin Natalia Cici Adliana Darfia, Novreta Dea Switzelin H Destriman Laoli Devy P Lumban Gaol Dian Fitria M Dian Iriani Dian Puspitowati Dicky Azwar Lubis Dinar Mey Jasika H Dwi Indah Fransiska Elfira Stefani Priska Erikson Sahala Pardamean Etri Nopilita Faira Yovanie Fandi Rahmat Farkhan, Mochammad Farrand Noor, Andi Almer Fatihaturrahma, Annisya Fauzi Ahmad Lubis Faza, Farzana Fakhira Fazira, Meisya Amanda Febi Nabila Feri Julianto Fitria Sufriyani Fransiska, Dwi Indah Fricilia Zissalwa Gaol, Devy P Lumban Ginting, Kiki Dirgantara Gunawan B S Gusriansyah, Dimas H Herdini Hafil Kurnia Tama Hasbullah Zakky Hasugian, Sampang Hotramadi Herianti Rambe Heriyanti Heriyanti, Heriyanti Herparinda Novita Husna, Hidayatul Iesje Lukistyowati Iesje Lukistyowati Iesje Lukistyowati Iesje Lukistyowati Iesje Lukistyowati Iesje Lukistyowati Iesje Lukistyowati Iesje Lukstyowati Iesje Lukystiowati Ilham Fajri Pohan Iman, Khasan Nur Ipa, Adha Irma Yunita Irsya, Habib Irwan Effendi Iskandar Putra Isma Mulyani Isna Sudirman Isna Sudirman Isnaini Lidya Rizki Jampil, Tirta Herlis Jan Stepfely Simanjuntak Jaya Maruli Tamba Juniarty Manurung Juwita Lestari Karnila, Rahman Karnila Khairia, Khairia Kiky Dirgantara Ginting Kurniawan, Ahmad Juli Kusai, Kusai Latifah Hannum Lase Lestari, Rona Luksityowati, Iesje Luskityowati, Iesje M Riswan M Zaky Ditiya Putra M. Riswan M. Yanda, M. Yanda Manurung, Juniarty Mariana Lumban Tungkup Mariska, Refi Marwati ' Maulina Sawitri Maya Cerlina Maytra Wirdona Meisya Amanda Fazira Melin Siburian Memi Martin Ilmayati Mery Sukmiwati Mesi Susanti Mochammad Farkhan Morina Riauwaty Muhamad Latiful Khobir Muhammad Akram Muhammad Arga Saputra Muhammad Arga Saputra Muhammad Arga Saputra Muhammad Azaldin Muhammad Muhajir Muhammad Muhajir, Muhammad Mutawakkil, M. Mufid Al Mutiara Mutiara Nabellia Nabellia Nabellia, Nabellia Nabila, Febi Nasril Ismail NASTITI KUSUMORINI Nelli Karolina Sitorus Novike Zullanda Selvi, Novike Zullanda Novita, Herparinda Novreta Ersyi Darfia Nur Addini Nur Aini Nur Asiah Nuraini Nuraini Nuraini Nuraini Nuraini Nuraini Nurfitri, Maya Nurhasan Nurhasan Nurhasan Nurhasan, Nurhasan Oktavianti, Mila Pakpahan, Poltak Pardamean, Erikson Sahala Pertiwi, Zuwini Poltak Pakpahan Poltak Pakpahan Purba, Andre Manusun Purba, Yoshua Dewaman Mangapul Putra, Mutlas Ade Putra, Sanjaya Mandala Putri Noviayu Salsabila Hendri Putri, Annisa Dwi Putri, Atika Putri, Mega Novia Putri, Rianti RA, Sayyidina Abdul Qabidhi Rabil Yusuf Rabil Yusuf Rahmadona, Zikra Rahmat Iman Mainil Ramadhanita, Ramadhanita Rebeka Valensia Rhino Pamungkas Riauwaty , Morina Ridho Aldiokta RIDWAN AFFANDI Rika Sinaga Rinaldi Rinaldi Rini Mastuti Rio Persal Anugrah Risman Ferdiansyah Riswan, M Riva Mutiara Rizka Hasanah Rizki Putra Rizvi, Fharisa Nabila Rona Lestari Ronal Kurniawan Roslina ' Rudi Alfinda Saberina Hasibuan Sagitha Aulya Fanny Tanjung Salsabila Hendri, Putri Noviayu Santa, Santa Santikawati, Susi Sarah Pabiola Saragih Siallagan, Romensius Anggi AW Siburian, Melin Simanjuntak, Jan Stepfely Sinaga, Tomuso Angdi Suryani Siregar, Cici YP Siregar, Desty Sahroni Siregar, Morina Riauwaty Sri Wahyuni Suci Wulandari Sudirman, Isna Syafriadiman, Syafriadiman Syafruddin Nasution Syahputra, Mohamad Ardani Syahrul Hidayat Syaieba, Mutiara Tamba, Jaya Maruli Tanjung, Yuliza Virliansyah Telaumbanua, Siti Tia Suherianti Tjipto Leksono Tjipto Leksono Tomuso Angdi Suryani Sinaga Trisla Warningsih Tungkup, Mariana Lumban Ulandari, Ulfa Unggul Fitrah Heriadi Usman M Tang Usman M Tang Usman Muhammad Tang Vekri Ramadhi Wasmen Manalu Widarsa, Anang Wijaya, Rahmat Santosa Windarti Windarti Yetti Elfina Yetti Elfina S Yoshua Demawan Mangapul Purba Yosri Yosri Yovanie, Faira Yuharmen - Yuliati Yuliati Yulyawati Yulyawati Yunita Paramitha Hasibuan Yusni Ikhwan Yusni Ikhwan Siregar Yusuf, Rabil Zebua, Ratna Dewi Zikra Rahmadona Zissalwa, Fricilia Zulaiha ' Zulkarnain Zulkarnain Zulkarnain Zulkarnain