New Diseases Threaten Brazil's Tilapia Farming

BRAZIL
Thursday, September 04, 2025, 17:00 (GMT + 9)

Emerging Pathogens Highlight Need for Enhanced Biosecurity and Rapid Diagnosis in Aquaculture   BRAZIL—The country's thriving tilapia industry is facing a growing challenge from new and emerging diseases that are causing significant mortality and financial losses. According to an article from O Presente Rural, this issue requires a renewed focus on preventive management, biosecurity, and rapid diagnosis to ensure the sustainability of fish farming. Three key pathogens have been identified as major threats: Iridovirus ISKNV: A virus that, while previously unknown in Brazil, has now been reported and can have a devastating impact on fish health, particularly during periods of falling water temperatures. Edwardsiella anguillarum: Another bacterium that thrives in cooler conditions and affects juvenile tilapia. Lactococcu... FULL STORY