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:: Volume 2, Issue 7 (2011) ::
2011, 2(7): 39-45 Back to browse issues page
Effects of Dietary Nucleotides on Survival and Activites of Serum Complements C3 and C4 of Rainbow Trout (Oncorhynchus mykiss) Challenged with Streptococcus iniae
Ahmad Tahmasebi-Kohyani , Saeed Keyvanshokooh , Amin Nematollahi , Amir-Parviz Salati , Ali Parseh , Nemat Mahmoudi , Hossein Pasha-Zanoosi
, ahmadtahmasebi@ymail.com
Abstract:   (18126 Views)
The present experiment was conducted to examine the effect of dietary nucleotides on complements C3 and C4 and resistance of rainbow trout fingerlings to Streptococcus iniae. A basal diet supplemented with 0 (control), 0.05, 0.1, 0.15 and 0.2 percent to formulate five experimental diets. Each diet was randomly allocated to triplicate groups of fish with initial average weight of approximately 23 g. After 8 weeks of feeding trial, levels of serum complements C3 and C4 in fish fed the nucleotide-supplemented diets were significantly higher than that of the control group. Fish were challenged by an intracoelomic injection with 9×106 colony-forming units/ml S. iniae. Mortality rate was recorded for 3 weeks after bacterial challenge. The challenge experiment showed that survival increased significantly (P<0.05) in fish fed the nucleotide-supplemented diets lower than of control treatment. The results suggest that dietary nucleotides administration at 0.15 and 0.2 percent exerted positive effects on serum complements C3 and C4 and resistance against S. iniae in rainbow trout.
Keywords: Rainbow trout, Nucleotides, Streptococcus iniae
Full-Text [PDF 129 kb]   (3894 Downloads)    
Type of Study: Research/ Original/ Regular Article |
Received: 2012/01/14 | Revised: 2012/01/17 | Accepted: 2016/10/18 | ePublished: 2016/10/18


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Tahmasebi-Kohyani A, Keyvanshokooh S, Nematollahi A, Salati A, Parseh A, Mahmoudi N et al . Effects of Dietary Nucleotides on Survival and Activites of Serum Complements C3 and C4 of Rainbow Trout (Oncorhynchus mykiss) Challenged with Streptococcus iniae. Journal of Oceanography 2011; 2 (7) :39-45
URL: http://joc.inio.ac.ir/article-1-51-en.html


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Volume 2, Issue 7 (2011) Back to browse issues page
نشریه علمی پژوهشی اقیانوس شناسی Journal of Oceanography
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