Since 2009, catfish farming in Alabama, Mississippi and Arkansas in the US has been seriously impacted by an emerging strain of Aeromonas hydrophila bacteria that causes serious infection — leading to death in as little as 12 hours.
Researchers have found that the bacterium causing the epidemic is closely related to organisms found in diseased grass carp in China.
A hydrophila, which can be found in both fresh and brackish water, only affects fish that are stressed or injured.
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