El-Ezz, N. M. T. A.; Tantawy, E. A.; Mahdy, O. A.; El-Massry, A. A. (2001). Studies on heterophyid infections among some fishes in Egypt. Egyptian Journal of Veterinary Science. 34 (2000): 11–29.

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El-Ezz, N. M. T. A.; Tantawy, E. A.; Mahdy, O. A.; El-Massry, A. A.

2001

34 (2000): 11–29

Publication

300 fishes (Oreochromis niloticus, Mugil cephalus and fingerlings of Ctenopharyngodon idella) were collected from the river Nile at Giza, Wadi Al-Rayan (Fayoum province) and Abbassa aquaculture (Sharkiya province), respectively. Encysted heterophyid metacercariae were collected from the muscles and gills of the examined fish, with a prevalence 74.33%. Three groups each of one pigeon (Columba livia domestica) and one heron (Ardea ibis ibis) were experimentally fed with heterophyid metacercariae collected from the fishes. A fourth group (one pigeon and one heron) was kept as non-infected controls. Pygidiopsis genata, P. summa, Centrocestus armatus, Heterophyes equalis, H. dispar and H. heroni sp. nov. were recovered from the intestinal mucosa, one week post infection. These parasites are of zoonotic importance. Histopathological effects of encysted metacercariae and adult flukes were studied.

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