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Title:   Author  item
                                            Farmer, Bradleyitem
                                            Beck, Benjaminitem
                                            MITCHELL, ANDREW - Retired ARS Employeeitem
                                            Straus, David

                                                         - *Dave*
  Submitted to: University of Arkansas-Pine Bluff Aquaculture Field Day
                                    Publication Type: Abstract Only
                                    Publication Acceptance Date: 9/15/2014
                                    Publication  Date: 10/2/2014
                                    Citation: Farmer, B.D., Beck, B.H., Mitchell, A.J., Straus, D.L. 2014. A little copper goes a long way for columnaris disease. University of Arkansas-Pine Bluff Aquaculture Field Day. p.31.Interpretive Summary:
                                Technical Abstract: Columnaris disease is a costly bacterial disease of commercially grown channel catfish. Three experiments were conducted to evaluate the effects of pre-exposing channel catfish fingerlings to 0, 1⁄2, 1, or 2 times the recommended copper sulfate rate (1 % of the alkalinity which was 210mg/L CaCO3) for 24 h on their susceptibility to columnaris disease. Our research findings concluded that copper sulfate can reduce susceptibility to this disease if at least 24 h is allowed for the fish to recover from the copper sulfate exposure prior to the disease outbreak. It was also concluded that the effects of the copper sulfate pre-treatment last for at least a week. These results should assist fish farmers by allowing for better management of columnaris disease.


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