Using Diagnostic Laboratory Records to Monitor Occurrence of Enteric Septicemia of Channel Catfish in Mississippi

摘要: Abstract Diagnostic laboratory information was used to monitor the temporal and spatial occurrence of enteric septicemia catfish (ESC) in Mississippi. From 1980 through 1988, Mississippi Cooperative Extension Service (MCES) entered on 15,649 fish-kill investigations into a computerized data base. Analysis records revealed following trends patterns. 1985, there an increase submissions ESC proportional morbidity rate (PMR; proportion diagnosed epizootics that were specific for ESC. However, from 1986 although total yearly number had stabilized, decrease PMR cases. During 9-year interval, 427 producers 56 counties their ponds. Twenty-eight four responsible about 40% all