HISTOPATHOLOGICAL CHANGES ASSOCIATED WITH ENCYSTED METACERCARIAE IN THE MUSCLES OF CLARIAS. | ||||
| Assiut Veterinary Medical Journal | ||||
| Article 13, Volume 28.2, Issue 56, January 1993, Page 164-168 PDF (1.75 MB) | ||||
| Document Type: Research article | ||||
| DOI: 10.21608/avmj.1993.186387 | ||||
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| Authors | ||||
| H. YOUSSEF; T. EL-KHATEIB; S.H. AFIFI; FATMA G. SAYED; R, M. RIAD | ||||
| Abstract | ||||
Fifty specimens Clarias lazera fish were collected from different fish markets in Assiut city and examined grossly and microscopically for the presence of trematode encysted metacercariae in their muscles. The incidence of infestation was found very high (92%). Two forms of encysted metacercariae were detected, one form appeared grossly as whitish raised nodules, while the other form appeared only by microscopic examination. They were those of Cynodiplostomum azimi and Prohemistomum vivax respectively. Histopathological examination of fish muscles of Clarias lazera showed degenerative, necrotic and inflammatory changes. Parasitic granuloma were detected among degenerated muscle fibers. Fibrosis and calcification were observed as a response of tissue against the parasite. | ||||
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