The Use of Kaolin as a Prophylactic Treatment to Prevent Columnaris Disease () in Commercial Baitfish and Sportfish Species.

Aquaculture farms in Arkansas, USA routinely battle columnaris disease caused by . Columnaris is prevalent during stressful events such as feed training and when fish are stocked at high densities in holding vats before sale. Kaolin clay was effective in laboratory trials as a treatment for columnaris in catfish.