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Journal : Journal of Aquaculture and Fish Health

Disease Dynamics in Hard Corals: Transmission Study of Desulfovib-rio salexigens and Acinetobacter sp Rahmi; Jompa, Jamaluddin; Khairun Nisaa; Akmal
Journal of Aquaculture and Fish Health Vol. 14 No. 2 (2025): JAFH Vol. 14 No. 2 June 2025
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v14i2.68325

Abstract

The objective of this study was to analyze the dynamics of spread and tissue damage due to infection with Black Band Disease (BBD) on Pachyseris sp. and Brown Disease (BrB) on Acropora sp. Additionally, the effect of ambient temperature on transmission rates was investigated. The results demonstrated that BBD on Pachyseris sp. caused progressive tissue damage, characterized by zones of necrosis and distinctive black bands separating healthy tissue from dead tissue. At 31°C, the disease transmission rate increased twofold compared to 29°C, with an infection rate reaching 1.72 ± 0.76 cm/day. BrB on Acropora sp. showed the highest infection rate reaching 2.20 ± 0.41 cm/day at 29°C with a bacterial concentration of 106 CFU/ml. However, the infection rate decreased significantly at 31°C for all bacterial concentrations tested. The disease propagated linearly along the coral branches, manifesting as yellowish-brown discolouration attributable to symbiont ciliate activity. The virulence of pathogens such as Acinetobacter sp. increased at 31°C, accelerating the spread of necrosis through the production of toxins and enzymes that damage the coral epithelium. BrB symptoms appeared within 2 days at 29°C and only 1 day at 31°C. This study confirms that high temperature and sedimentation play a key role in accelerating disease dynamics in corals. Increasing seawater temperatures due to global climate change create ideal conditions for the spread of disease, threatening the sustainability of coral reef ecosystems. To mitigate these challenges, a multifaceted approach involving environmental management, carbon emission reduction, and the development of biotechnology to enhance coral resistance to pathogens is essential.
Co-Authors A. Muh. Rifky Nugraha Abdul Aziz Abu, Nur Achmad Roesyadi Adhar Aditya Pratama Agun Sutrianto Agus Syam Agustin Nurhayati Ahmad , Finawati Ahmad Yusuf Ahmad, Muh. Ihsan Said Akhir, Muhammad Akmal Al-Muttaqii, Muhammad Alger Manaufals Ali Rahman Amalia Nabila Amir Mahmud Amirah Kamila Safitri Andi Chadijah Andi Muhammad Sadat Anggraini Anggriani Alamsyah Aprili Wulandari Ariani Rosadi Arianti, Nining arliani, Suci Arninda Anawai Arsil Aryanie, Irne Asmaul Husna Asrial Asriyanti Syarif, Asriyanti Aswarliansyah Ati Sumiati Awal Muqsith Azalia, Farah Cantika Cut Lika Mestika Sandy Cut Mazlina Ilhami Dalimunthe, Sholatia Dani, M Dedi Fazriansyah Putra Dedy Firduansyah Dermawan, M. Ariy Destria Kurnianti Dewi Susita Ditilebit, Norbertha Donny Septian Wibisono Edy Miswar Eka Erniwati Ervina Kusuma Wardani Evina Aura Exa Putri Evriyenni Fadillah, Nadya Febianti , Rika Fhadira Insani Putri Fidhyallah, Nadya Fadillah Fikhratul, Fikhratul Fitrah Widyawati Fitri Indah Yani, Fitri Indah Gandung Sugita Gita Aprilia Gunawan Gusty Mutiara Medina Haerati Hafizah Delyana, Hafizah Hajidah Arianti, Qori Hamdunah Haneul Hapisah Hari Prajitno, Danawati Haura, Tazkia Hilman Humaysah Ibal, La Ibrahim, Juliani Ika Febrilia Ika Kurniati, Neng Iko imelda arisa ISKANDAR Ismiatun Isnaniah Iswandi Ita Ilyana Ita Rodiah Jais, Ahmad Jamaluddin Jompa Kamase, Jeni Kayatun, Siti Nur Kelvint Khaeriyah, Andi Khaerunnisa Khairani, Suci Khairun Nisaa Laksmi Lenny Marlinda Lestari, Aprilia Eka Linda Destri Ayu Lucky Heriyanti Jufri, Lucky Heriyanti Luluk Fikri Mahfirah, Titis Fatarina Mahmusin, Muhammad Arash bin Malzara, Vidia Ratu Balqis Mardhatillah MARIA BINTANG Masniar Megawati Mohamad Ikbal Riski A. Danial Mohamad Rizan Mohammad Ali Wairooy Muh. Yusuf Muhammad Akhir Muhammad Al Muttaqii Muhammad Anas Muhammad Hasan Muhammad Irham Muhammad Jufri Muhammad Rusdi Muhammad Saleh Muhammad Tahir Muhammadar Murni Nanda, Teuku Syifa Fadrizha Nelly Nerlin Nopalina, Resi Nunuk Masluhiyah Nur Fadli Nur Insana Salam Nur Insana Salam Nur, Imran Syafei M. Patak, Andi Anto Perdana, Adli Waliul Permatasari , Ade Cahyani Prabumenang, Agung Kresnamurti Rivai Putri, Clara Alika Raden Ilham Rahadian Rahayu, Andi RAHMAT PERDANA Rahmati Rayandra Asyhar Restu Rezky Riki, Rd Riska RR. Ella Evrita Hestiandari Sabila Eka Septi Safitri, Mutia Safri, Hayanuddin Safruddin Sahabuddin Sakban Salman Salsabila, Rija Tasya Saparuddin Sarah Nadia Sardana S .H.,M.H, Layang Sari , Jelita Atika Sari, Rini Nurmala Sarina Sasmi, Aji Ahmadi Setyo Ferry Wibowo Sholikhah Siregar, Muhammad Edo Suryawan Siska Mellisa Sri Benti Etika Sufitrayati Sugihartati, Rahma Suherman Suhrawardi Sulfasyah Sulfiana SUSAN FEBRIANTINA, SUSAN Syafira Ahsanti Syafitri Syahputra, Muhammad Rifki Syahrial Syamsu Rijal Tarimana, Sitti Fatimah Tiara, Ayunda Trisna Ludi Toatubun, Helmi Tuti Supatminingsih Tutiliana Ursula Natalia Usep Suhud Usman Ibnu A Vip Paramarta Vitria, Andi Vivin Wahyu, Farhanah Wardhana, Arya Wijaya Pramodha Wildan Wulan Gontina yanti, vitri Yefri Joni Yudha Yunus Saputra Yusra Dewi Yustia Wulandari Mirzayanti Zahro, Khalisatuz Zakaria, Adam Zakiah, Rizka Zulfida, Edith Windy Zulfikan Zulfitri Aima