date:Aug 01, 2012
peratures, fluctuating water quality and high competition and stocking densities have made fish more susceptible to the disease. Streptococcosis typically causes bulging eyes and a swollen belly. Infected fish swim in an erratic circular motion and often experience high mortality.
If left uncontrolled, S. agalactiae Biotype II infection could cause mortality rates of up to 90 per cent in pre-market age fish, Mr Wendover said. The disease also results in significant declines in feed conversion