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IJFS 2010, 9 Back to browse issues page
Occurrence and histopathology of Ascocotyle tenuicollis metacercaria in gill of platyfish (Xiphophorus maculatus) imported to Iran
B. Shoaibi Omrani *, H. A. Ebrahimzadeh Mousavi, I. Sharifpour
, drshoaibi74@hotmail.com
Abstract:   (10531 Views)
The objective of this study was to determine the prevalence of metacercarial infection in plathyfish imported to Iran. A total of 100 imported live common platyfish (Xiphophorus maculatus) from approximately 24 shipments were collected from a quarantine facility in Iran in 2007 and examined in our veterinary laboratory. Among 800 examined gill arches about 1300 cysts were found in different locations of gill filaments and were identified as a heterophyid parasite metacercaria Ascocotyle (Ascocotyle) tenuicollis  Price, 1935. The prevalence of  this parasite was 58%, the maximum and minimum quantity of metacercarial cysts per infected platyfish were 70 and 10, respectively. The adult worms are non-pathogenic and are intestinal parasites of piscivorous birds (e.g. Heron and Egret) and mammals. The first intermediate hosts are snails and the second intermediate hosts are centrarchiid, cyprinodontid, mugilid, and poeciliid  fishes. Histopathologic examination of the infected fish gills revealed cartilage proliferation around metacercarial cysts, hyperplasia, hypertrophy and fusion in the affected gill filaments. To our knowledge, this is the first report of infection with Ascocotyle tenuicollis  in the imported platyfish in Iran.
Keywords: Metacecaria, Platyfish, Gill, Pathology, Ascocotyle, Iran
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Type of Study: Orginal research papers | Subject: fish disease
Received: 2010/08/3 | Accepted: 2015/09/13 | Published: 2015/09/13
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Shoaibi Omrani B, Ebrahimzadeh Mousavi H A, Sharifpour I. Occurrence and histopathology of Ascocotyle tenuicollis metacercaria in gill of platyfish (Xiphophorus maculatus) imported to Iran. IJFS. 2010; 9 (3) :472-477
URL: http://jifro.ir/article-1-56-en.html

Volume 9, Issue 3 (2010) Back to browse issues page
مجله علوم شیلاتی ایران Iranian Journal of Fisheries Sciences
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