PROTOZOANS; (COCCIDIA AND MYXOSPOREA;) INFECTIONS IN SOME FISHES OF ARAS AND MAHABAD DAMS (NORTHWEST OF IRAN)
M. Masomian; A. Mehdizadeh; M. Yahyazadeh
During a protozoological study on the fishes of West-Azarbayejan province (Northwest of Iran) in 1998, three different protozoans were revealed. Myxobolus musayevi from Capoeta capoeta, Myxobolus dispar from Aspius aspius taeniatus and Goussia carpelli from Cyprinus carpio. Altogether 13 different fish specimen were examined. The fishes including: Aspius aspius taeniatus (2), Rutilus ruti/us (3), Capoeta cpoeta (2) and Cyprinus carpio (6). They were caugth from Aras and Mahabad Dams and transported alive to the laboratory where they were wieghted and measured. Then, they were examined for protozoan infections when their spinal cord was cut. Myxobolus musayevi had already reported from Capoeta capoeta from Taj an in Mazandaran province. This is the first record of Myxobolus dispar from Aspius aspius taeniatus from Iranian freshwaters. Goussia carpelli also had already recorded (unpublished) from the Cyprinus carpio from Sepeedroud River in Guilan province. In this study, three of C. carpio which were caught from Aras Dam had been infected by the oocyst of the Goussia carpelli in the mocus of the intestine.
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