Comparative study of parasitic infection in the external common carp (Cyprinus carpio) bred in monoculture and poly culture
journal of kerbala university,
2011, Volume 7, Issue 2, Pages 64-71
AbstractExamined a total of 178 common carp from Basins for fish farming in AL-Eskandriya sector, Babylon province, one follows the monoculture and the second follows the poly cultures were subjected for ectoparasitic survey during the period from April to September 2010. Parasites recorded included four species of protozoa Ichthyophthirius multifiliis, Trichodina cottidarum, Trichodina domerguei and Trichodina nigra, tow species of sporozoan Myxobolus pfeifferi and Myxobolus oviformis, five species of monogenetic trematodes Dactylogyrus minutus, Dactylogyrus arquatus, Dactylogyrus extensus, Dactylogyrus Cornu and Dactylogyrus Vastator.
The percentage incidence of infection with the studied parasitic varied according to different months. The inspected results Showed the occurrence common carps The results showed normal wounded Carp bred in monoculture high infection rates of external parasites compared to fish reared in poly cultures.
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