study was to investigate the optimum toxic level of aqueous and ethanol
extracts of two marine seaweeds for treatment of bacterial diseases in
fish. Padina gymnospora and Sargassum cinereum were the two sea
weeds selected for toxicity evaluation and therapeutic treatment for
controlling the infection. This method of treatment using extracts of
plants instead of traditional synthetic antibiotics which cause disease
resistance in pathogenic organisms is becoming popular (Selvin et al.,