Abstract

Objective: The aim of this study was to assess both the presence and seasonal variability of Cryptosporidium spp. and Giardia spp. in Eğirdir Lake within the borders of Isparta province, which is used for drinking, agricultural irrigation and recreational purposes. Method: The research was carried out between July 2016 and January 2017 and water samples were taken from five different stations in three different seasons in Lake Eğirdir. After direct microscopic examination of the samples (Native-Lugol method), they were stained with Modified Acid Fast (MAF), and examined under the light microscope for parasites. Results: Cryptosporidium spp and Giardia spp were detected in 15 water samples in summer months, with an average density of 99.2% and 93.3% respectively, in Lake Eğirdir. In addition, both parasites were also detected intensively in autumn and winter Conclusion: The use of Lake Eğirdir for daily needs of people, agriculture andrecreational purposes cause increase in protozoal density. Thus, it is necessary to conduct parasitological studies on Lake Eğirdir, especially during the periods of swimming tourism, to determine the protozoal epidemiology in humans and animals. In addition, it is important to carry out adequate disinfection processes and plan the necessary control programs in terms of public health in the regions where Lake Eğirdir is used as drinking water.

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