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The innate immunity changes of the female anadromous hilsa shad, Tenualosa ilisha , during spawning and post spawning season
A. Ghobeishavi * , S.M. Mousavi , V. Yavari , P. Kochanian , M. Zakeri
, amadghobei@gmail.com
Abstract:   (1474 Views)

Tenualosa ilisha (Hamilton) is a valuable migratory fish belonging to the family Clupeidae and it is distributed in a wide area from the Persian Gulf to coasts of Pakistan and China’s southern sea. The aim of the present study was to investigate the changes occurring in innate immunity parameters during upstream migration and comparing them to those during post spawning. Sixty mature female hilsa shad were obtained using gill net from Karoon River in Khorramshahr during the spawning period (July, August and September 2014) and Hendijan coasts along the Persian Gulf coasts during post spawning period (October, November and December 2014). Immediately, blood samples were collected from the peduncle vein and then parameters including WBC (White Blood Cell) count, Differential WBC Count, plasma lysozyme content and C3 and C4 complement activity were determined. Based on the results, the levels of WBC, lysozyme and C3 during the spawning period were lower than those recorded during post spawning period. However, C4 levels were higher during spawning (p<0.01). This fact revealed that some innate immunity parameters experience depression during upstream migration and spawning, while these parameters increase during the post spawning period, indicating the suppressive effects of spawning on fish immunity.

Keywords: Tenualosa ilisha, Lysozyme activity, Complement, Anadromous, Migration
Full-Text [PDF 407 kb]   (688 Downloads)    
Type of Study: Orginal research papers | Subject: aquaculture
Received: 2017/01/3 | Accepted: 2017/01/3 | Published: 2017/01/3
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Ghobeishavi A, Mousavi S, Yavari V, Kochanian P, Zakeri M. The innate immunity changes of the female anadromous hilsa shad, Tenualosa ilisha , during spawning and post spawning season. IJFS. 2016; 15 (4) :1526-1539
URL: http://jifro.ir/article-1-2524-en.html


Volume 15, Issue 4 (10-2016) Back to browse issues page
مجله علوم شیلاتی ایران Iranian Journal of Fisheries Sciences
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