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Issue:ISSN 1000-7083
          CN 51-1193/Q
Director:Sichuan Association for Science and Technology
Sponsored by:Sichuan Society of Zoologists; Chengdu Giant Panda Breeding Research Foundation; Sichuan Association of Wildlife Conservation; Sichuan University
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Your Position :Home->Past Journals Catalog->2008 Vol.27 No.6

A Newly Recorded Species of Gyrodactylus (Monogenoidea) in Oncorhynchus mykiss (Walbaum) from Qinling Mountains
Author of the article:SUN Xi-zhai1, 2, QIANG Xiao-ming3, WANG Yi-xiu1, David CONE 4, YOU Ping1
Author's Workplace:(1. College of Life Sciences, Shaanxi Normal University, Xi’an 710062, China; 2. Key Laborary of Animal Biology, Heze University; 3. Niubeiliang National Nature Reserve of Shaanxi; 4. Department of Biology, Saint Mary’s University, Halifax, Nova Scotia, Canada)
Key Words:Oncorhynchus mykiss; Gyrodactylus brachymystacis; Gyrodactylus lenoki; Qinling Mountain
Abstract: In this paper a newly recorded species belonging to Monogenoidea in Oncorhynchus mykiss from the Qinling Mountain is described, namely Gyrodactylus brachymystacis Ergens, 1978. In addition, the diagnoses of G. lenoki Gussev, 1953 and G. brachymystacis are given as well. How and when this particular stock of fish first acquired the parasite? One likely possibility is established that they originated from wild fish in the Qinling watershed via the intake water supply, indeed, locals report that the Manchurian trout, Brachymystax lenok (Pallas), the only known natural host of G. brachymystacis, is present, albeit rare, in the river and thus a potential source of the infection. The another possibility is that they originated from other plase introduced into Qinling Mountain region via the delivered to the facility as fertilized eggs which fetched in early years.
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