date:Jun 06, 2014
train has affected even apparently healthy fish with no obvious signs of duress, said Mark Liles, an associate professor in the department of biological sciences at the Alabama-based Auburn University.
Disease outbreaks have been responsible for an estimated loss of more than $12 million (Rs.71 crore) in catfish aquaculture operations in the US.
The researchers studied the molecular epidemiology of the epidemic-causing hydrophila to try to trace its evolution.
They compared samples of the bac