Identification of zoonotic Cryptosporidium parvum in freshwater ornamental fish

Regarding the importance of zoonotic species of Cryptosporidium in humans and domestic animals, and the lack of information about the distribution of Cryptosporidium spp. especially the zoonotic species of aquarium ornamental fish with due attention to their relation to urban water sources and human...

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Veröffentlicht in:Journal of zoonotic diseases (Online) 2020-05, Vol.4 (1), p.9-16
Hauptverfasser: Parisa Shahbazi, Najmeh Sheikhzadeh, Ahmad Nematollahi, Javad Ashrafi Helan
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Sprache:eng
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Zusammenfassung:Regarding the importance of zoonotic species of Cryptosporidium in humans and domestic animals, and the lack of information about the distribution of Cryptosporidium spp. especially the zoonotic species of aquarium ornamental fish with due attention to their relation to urban water sources and human owners, the present study was designed. Cryptosporidium has been demonstrated in more than 17 species with parasites presented deep within and on the surface of the intestinal and stomach epithelium. To date, two important species of Cryptosporidium for public health, namely C. parvum and C. hominis have been determined in fish specimens from cultured and wild freshwater, and marine environments. In this study, the identification of Cryptosporidium spp. and zoonotic Cryptosporidium parvum by histopathology and PCR amplification at the 18S rRNA locus among 100 freshwater ornamental fish were performed. Results showed that a total of 16 fish samples (16%) were identified as positive for Cryptosporidium spp. by histopathology. C. parvum was also found in two fish hosts (goldfish). The detection of zoonotic C. parvum in ornamental fish is considerable and suggests that the fish might be a good contamination indicator of water with sullage and agricultural run-off.
ISSN:2717-2910
DOI:10.22034/JZD.2020.10584