Detection of Yersinia ruckeri in naturally infected rainbow trout (Oncorhynchus mykiss Walbaum, 1792) from trout farms in Anatolia, Turkey

The present study aimed to detect Yersinia ruckeri bacteria in fish samples collected from the rainbow trout (Oncorhynchus mykiss, Walbaum, 1792) farms South Eastern Anatolia Region of Turkey through bacteriological culturing and polymerase chain reaction. Separate visits were made farming facilities Diyarbakır, Adıyaman, Şanlıurfa, Batman January February 2021, 30 with an average live weight 200–250 g each facility. A total 1,200 taken 40 farms. Liver, spleen, kidney, tissue specimens trout. was isolated liver muscle on McConkey Agar for examinations. Isolated strains identified by MALDİ–TOF PCR. It detected liver, 23 out In conclusion, these local These must implement vaccination, minimize stress factors affecting fish, avoid overstocking. best methods protect against infection include avoiding overstocking, low oxygen levels, underqualified labor force.