Perfect Storm of Pathogens: Investigating Multi-Disease Outbreaks in Cage-Farmed Asian Seabass (Lates calcarifer)

Ramudu, Kurva Raghu and Sharma, S R Krupesha and Hussain, Tanveer and Sagar and Kiran, Tarun H and Pal, Mahendra and Suresh Babu, P P and Imelda, Joseph and Kalidas, C (2026) Perfect Storm of Pathogens: Investigating Multi-Disease Outbreaks in Cage-Farmed Asian Seabass (Lates calcarifer). In: Proceedings and Book of Abstracts : First National Conference on Fisheries & Aquaculture 2026, Goa. Directorate of Fisheries, Government of Goa, Goa, p. 33.

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Abstract

Asian seabass (Lates calcarifer) can be cultured in a variety of aquaculture systems, including open-sea cages, semi-closed systems, and closed recirculating aquaculture systems (RAS), under low-salinity and marine environments. Each of these production systems presents distinct disease challenges. In the present study, multiple diseases associated with chronic mortality were recorded in L. calcarifer (n = 50) reared in marine cage culture facilities at Karwar. Affected fish exhibited poor body condition and a slight increase in surface mucus during the initial stages of infection.

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