EXPERIMENTAL LIFE CYCLE OF CONTRACAECUM QUADRIPAPILLATUM N. SP. IN WHITE PELICAN (PELECANUS ERYTHRORHYNCHUS) AT LAKE NASSER, EGYPT: MORPHOLOGICAL AND GENETIC EVIDENCES | ||||
Journal of the Egyptian Society of Parasitology | ||||
Article 14, Volume 48, Issue 3, December 2018, Page 587-598 PDF (938.49 K) | ||||
Document Type: Original Article | ||||
DOI: 10.21608/jesp.2018.76569 | ||||
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Authors | ||||
ATEF IBRAHIM SAAD1; ABUELHASSAN ELSHAZLY YOUNIS1; JIHAN MOHARAM RABEI2 | ||||
1Department of Zoology, Faculty of Science, Aswan University, 81528 Aswan, Egypt. | ||||
2Fishery Management Center, High Dam Lake Development Authority, Aswan, Egypt. | ||||
Abstract | ||||
During November 2013 to October 2015, one hundred and nine fish specimens of Clarias lazera were captured from different areas of Lake Nasser, South Egypt. They were found infected with 3rd stage larvae of Contracaecum with 100% prevalence. 4th stage larvae and adults were experimentally obtained from the lower part of esophagus of white Pelicans Pelecanus erythrorhynchus previously administered 3rd stage larvae. Detailed morphological description of both larvae (L3) and adults, by light and scanning electron microscopes as well as molecular analysis of the internal transcribed spacers of nuclear ribosomal DNA (ITS-1 & ITS-2) indicated the presence of a new Contracaecum sp. here named C. quadripapillatum n. sp. | ||||
Keywords | ||||
Egypt, Internal transcribed spacers; Lake Nasser; Contracaecum; Clarias lazera | ||||
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