PREVALENCE OF METACERCARIAL INFECTION IN SOME MARKETED FISH IN GIZA GOVERNORATE, EGYPT | ||
| Journal of the Egyptian Society of Parasitology | ||
| Article 16, Volume 49, Issue 1, April 2019, Pages 129-134 PDF (351.63 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/jesp.2019.68295 | ||
| Authors | ||
| SAAD M. SAAD1; AMANI M. SALEM1; OLFAT A. MAHDY2; EID SAYED IBRAHIM3 | ||
| 1Department of Food Control, Faculty of Veterinary Medicine, Benha University, Egypt. | ||
| 2Department of Parasitology, Faculty of Veterinary Medicine, Cairo University, Egypt. | ||
| 3Parasitology Unit, Public Health Pests Laboratory of Jeddah Governorate, Saudi Arabia. | ||
| Abstract | ||
| A total of 180 Oreochromis niloticus and 120 Clarias gariepenus of different weight and length were randomly collected from three different markets (El-Moneib, El-Ayiat and El-Badrashin) in Giza Governorate from January to June 2012. Muscles and organs of the fishes were examined for infective zoonotic parasites. The total prevalence of encysted metacercariae (EMC) among examined O. niloticus was 82.8%, the highest prevalence was in the tail (75%), while the lowest one (17%) in skin, and in the gills was (57.2%). Total prevalence of EMC was 35.8% in the C. gariepenus, the highest was in trunk (27.5%), then head & tail (25.8% &25%) and the lowest one (4.1%) was in the skin but none in the gills. There was an indirect relationship between the EMC prevalence and the fishes weight and length. The recovered EMC from O. niloticus were; Diplostomatidae, Cyathocotylide and Heterophyidae. Besides, Cyanodiplostomatidae and Cyathocotylide were recovered from C. gariepenus. These EMC were successfully developed to adults after experimental infection to pigeons and rats. The emerging adult flukes were Prohemistomum vivax, Mesostephanus appendiculatus and Centrocetus armatus. | ||
| Keywords | ||
| Freshwater fishes; Clarias gariepinus; Oreochromis niloticus; Zoonotic trematodes; EMC | ||
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