Volume 9, Issue 2 (Vol 9, No 2, Summer 2013 2013)
irje 2013, 9(2): 59-68 |
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Soltani M, Pirali Kheirabadi A, Taherimirkahead E, Shafie S, Mohamadian S, Roholahi S. Molecular Study of Streptococcosis/Lactococcosis Distribution in Farmed Rainbow Trout in Charmahal–va-Bakhteyari and Kohgiloyeh-va-Boyerahmad Provinces, Iran . irje 2013; 9 (2) :59-68
URL: http://irje.tums.ac.ir/article-1-5068-en.html
URL: http://irje.tums.ac.ir/article-1-5068-en.html
M Soltani * 
1, A Pirali Kheirabadi2 , E Taherimirkahead3 , SH Shafie3 , S Mohamadian3 , SH Roholahi3
1, A Pirali Kheirabadi2 , E Taherimirkahead3 , SH Shafie3 , S Mohamadian3 , SH Roholahi3
1- Prpfessor Department of aquatic animal health, faculty of veterinary medicine, university of Tehran, Tehran, Iran , msoltani@ut.ac.ir
2- Associate Professor, Department of aquatic animal health, faculty of veterinary medicine, university of Tehran, Tehran, Iran
3- PhD Student, Associate Professor, Department of aquatic animal health, faculty of veterinary medicine, university of Tehran, Tehran, Iran
2- Associate Professor, Department of aquatic animal health, faculty of veterinary medicine, university of Tehran, Tehran, Iran
3- PhD Student, Associate Professor, Department of aquatic animal health, faculty of veterinary medicine, university of Tehran, Tehran, Iran
Abstract: (19651 Views)
Background & Objectives: Sterpococcosis/lactococcosis is an economically important zoonotic disease in aquaculture industry particularly in farmed rainbow trout. The annual loss due to the disease is tens millions US dollars. This descriptive study was aimed to identify the regional distribution of these economically important bacterial diseases in 50 farmed trout in Charmahal-va-Bakhteyari (25 fish farms) and Kohgiloyeh-va-Boyerahmad (25 fish farms) provinces plus detection of the relative prevalence of the presence of 20 risk factors.
Methods: Each trout farm was clinically inspected to identify the risk factors, followed by sampling of the clinically affected fish for bacteriological and molecular studies.
Results: The results showed that form 25 fish farms examined in Charmah-va-Bakhteyari, 56.% (13 fish farms) were affected with Lactococcus garvieae and 20%(5 fish farms) were affected with Streptococcus iniae, while these were 64% (16 fish farms) and 12% (3fish farms) in Kohgiloyeh-va-Boyerahmad, respectively. The relative prevalences of the presence of 10 and 16 risk factors were above 80% and 50% in the trout farms of both provinces.
Conclusion: These results clearly demonstrated that occurrence of streptococcosis and lactococcosis in farmed trout has a wide regional distribution in trout farms of these provinces and the presence of risk factors are remarkable in the examined fish farms.
Methods: Each trout farm was clinically inspected to identify the risk factors, followed by sampling of the clinically affected fish for bacteriological and molecular studies.
Results: The results showed that form 25 fish farms examined in Charmah-va-Bakhteyari, 56.% (13 fish farms) were affected with Lactococcus garvieae and 20%(5 fish farms) were affected with Streptococcus iniae, while these were 64% (16 fish farms) and 12% (3fish farms) in Kohgiloyeh-va-Boyerahmad, respectively. The relative prevalences of the presence of 10 and 16 risk factors were above 80% and 50% in the trout farms of both provinces.
Conclusion: These results clearly demonstrated that occurrence of streptococcosis and lactococcosis in farmed trout has a wide regional distribution in trout farms of these provinces and the presence of risk factors are remarkable in the examined fish farms.
Keywords: Risk factors, Streptococcosis, Lactococcosis, Rainbow trout, Charmahal-va-Bakhteyari, Kohgiloyeh-va-Boyerahmad
Type of Study: Research |
Subject:
General
Received: 2012/03/25 | Accepted: 2013/01/26 | Published: 2014/01/5
Received: 2012/03/25 | Accepted: 2013/01/26 | Published: 2014/01/5
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