Severe Outbreak of Saprolegnia Spp. Infection in Spotted Snakehead (Channa punctata, Bloch 1793): Clinical Assessment, Histopathology, Haemato-Biochemical Indices and Insights Into Therapeutic Effects
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A severe fungal infection called saprolegniasis was found in 85% of spotted snakehead fish from Bangladesh, causing cotton-like growths, fin damage, and mass mortality. Researchers tested four different treatments over 10 days, finding that combining warm water (30°C) with saltwater (2% NaCl) was most effective, resulting in 70% survival compared to only 23% in untreated fish. This natural, cost-effective treatment approach could help fish farmers reduce losses from fungal diseases without relying on toxic chemicals.