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Prevalence and Intensity of Gyrodactylus arcuatus Bychowsky, 1933 (Monogenea) Infestations on the Three-Spined Stickleback, Gasterosteus aculeatus L., 1758.
(Turkish Journal of Veterinary and Animal Sciences, 2004) Özer, Ahmet; Öztürk, Türkay; Öztürk, M. Oğuz
Gyrodactylus arcuatus Bychowsky, 1933 was identified on the three-spined stickleback, Gasterosteus aculeatus L., 1758 in the present study, which was carried out between January and May 2000. A total of 151 fish specimens were examined. The infestation prevalence and mean intensity levels were 80.2% and 35.44 ± 8.87 parasites per fish, respectively. The infestation prevalence and mean intensity levels were highest in February and May, respectively. No statistically significant preference fo r either sex of fish was determined. The mean intensity of G. arcuatus was highest on the gills, followed by the fins and skin. Significant differences were observed in the distribution of G. arcuatus over the body parts studied with respect to the length classes of fish.