Dr. Murai Éva szerk.: Parasitologia Hungarica 22. (Budapest, 1989)

Table 1 Infection of the gills of common carp fry by monogenean parasites in two Hungarian fish farms Fish farm Parasite Hortobágy Hajdúszoboszló Fish examined Infected fish Intensity of infection* Fish examiner) Infected fish Intensity of infection Dactylogyrus vastator Nybelin, 1324 210 90 6 a-8) 249 120 2 (1-4) Dactylogyrus extensus Mueller et van Cleave, 1932 210 30 3 (1-5) 249 100 n (1-81 Dactylogyrus achmerowi Gussev, 1955 210 0 0 249 80 5 (1-6) Gyrodactylus sprostonae Ling, 1962 210 84 2 (1-6) 249 0 0