Phytase reduces catfish disease outbreaks

By better utilizing dietary phosphorus, catfish ponds are cleaner, reducing potential for deadly bacteria.

Auburn University research aimed at minimizing a deadly disease in catfish has, in a short time, prompted Alabama catfish producers to significantly change what they feed their fish.

In a study launched in 2015, researchers are examining whether a fish-feed additive — phytase — can help break the cycle of disease caused by a virulent strain of the bacterium Aeromonas hydrophila. The disease can wipe out up to three-quarters of the fish in an infected pond in a few days. In

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