Incidence of streptococcusis in rainbow trout (Oncorhynchus mykiss ) farms in Haraz River in Mazandaran Province, Iran
One of the most important bacterial fish diseases which have caused some outbreaks in rainbow trout farms in Iran is streptococcusis. The farmers have been suffering from huge economical losses due to the disease outbreak in different rainbow trout farms in Iran. The aim of present study was to determine the rate of streptococcusis incidence in different growth stage in the farmed rainbow trout in Haraz River in Mazandaran Province, Iran. Fish specimens along with water samples were collected from 10 haphazardly selected fish farms on a monthly basis throughout a year. After clinical observations, isolation and recognition of strep strains were undertaken using biochemical and PCR tests. The results showed that 4.6% of juvenile fish showed clinical sings of streptococcusis while only 0.7% had strep. contamination. These rates in adult specimens were 8.9 and 1 percent, respectively. The main isolated bacterial strain was Streptococcus uberis.
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Format: | article biblioteca |
Language: | Persian |
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2014
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Subjects: | Aquaculture, Biology, Environment, Streptococcusis, Incidence, Rainbow trout, Mazandaran Province, Iran, Streptococcus uberis, juvenile, Fish, Onchorhynchus mykiss, |
Online Access: | http://hdl.handle.net/1834/36790 |
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dig-aquadocs-1834-367902021-07-05T03:12:04Z Incidence of streptococcusis in rainbow trout (Oncorhynchus mykiss ) farms in Haraz River in Mazandaran Province, Iran Sepahdari, A. Saeedi, A.S. Kakoulaki, S. Habibi Kotanaee, F. Babaalian, A.R. Aquaculture Biology Environment Streptococcusis Incidence Rainbow trout Mazandaran Province Iran Streptococcus uberis juvenile Fish Onchorhynchus mykiss One of the most important bacterial fish diseases which have caused some outbreaks in rainbow trout farms in Iran is streptococcusis. The farmers have been suffering from huge economical losses due to the disease outbreak in different rainbow trout farms in Iran. The aim of present study was to determine the rate of streptococcusis incidence in different growth stage in the farmed rainbow trout in Haraz River in Mazandaran Province, Iran. Fish specimens along with water samples were collected from 10 haphazardly selected fish farms on a monthly basis throughout a year. After clinical observations, isolation and recognition of strep strains were undertaken using biochemical and PCR tests. The results showed that 4.6% of juvenile fish showed clinical sings of streptococcusis while only 0.7% had strep. contamination. These rates in adult specimens were 8.9 and 1 percent, respectively. The main isolated bacterial strain was Streptococcus uberis. 2021-06-24T18:01:01Z 2021-06-24T18:01:01Z 2014 article TRUE 1026-1354 http://hdl.handle.net/1834/36790 fa http://isfj.areo.ir/?lang=en application/pdf application/pdf 41-50 http://aquaticcommons.org/id/eprint/21977 18721 2018-01-18 10:09:15 21977 Iranian Fisheries Science Research Institute |
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Aquaculture Biology Environment Streptococcusis Incidence Rainbow trout Mazandaran Province Iran Streptococcus uberis juvenile Fish Onchorhynchus mykiss Aquaculture Biology Environment Streptococcusis Incidence Rainbow trout Mazandaran Province Iran Streptococcus uberis juvenile Fish Onchorhynchus mykiss |
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Aquaculture Biology Environment Streptococcusis Incidence Rainbow trout Mazandaran Province Iran Streptococcus uberis juvenile Fish Onchorhynchus mykiss Aquaculture Biology Environment Streptococcusis Incidence Rainbow trout Mazandaran Province Iran Streptococcus uberis juvenile Fish Onchorhynchus mykiss Sepahdari, A. Saeedi, A.S. Kakoulaki, S. Habibi Kotanaee, F. Babaalian, A.R. Incidence of streptococcusis in rainbow trout (Oncorhynchus mykiss ) farms in Haraz River in Mazandaran Province, Iran |
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One of the most important bacterial fish diseases which have caused some outbreaks in rainbow trout farms in Iran is streptococcusis. The farmers have been suffering from huge economical losses due to the disease outbreak in different rainbow trout farms in Iran. The aim of present study was to determine the rate of streptococcusis incidence in different growth stage in the farmed rainbow trout in Haraz River in Mazandaran Province, Iran. Fish specimens along with water samples were collected from 10 haphazardly selected fish farms on a monthly basis throughout a year. After clinical observations, isolation and recognition of strep strains were undertaken using biochemical and PCR tests. The results showed that 4.6% of juvenile fish showed clinical sings of streptococcusis while only 0.7% had strep. contamination. These rates in adult specimens were 8.9 and 1 percent, respectively. The main isolated bacterial strain was Streptococcus uberis. |
format |
article |
topic_facet |
Aquaculture Biology Environment Streptococcusis Incidence Rainbow trout Mazandaran Province Iran Streptococcus uberis juvenile Fish Onchorhynchus mykiss |
author |
Sepahdari, A. Saeedi, A.S. Kakoulaki, S. Habibi Kotanaee, F. Babaalian, A.R. |
author_facet |
Sepahdari, A. Saeedi, A.S. Kakoulaki, S. Habibi Kotanaee, F. Babaalian, A.R. |
author_sort |
Sepahdari, A. |
title |
Incidence of streptococcusis in rainbow trout (Oncorhynchus mykiss ) farms in Haraz River in Mazandaran Province, Iran |
title_short |
Incidence of streptococcusis in rainbow trout (Oncorhynchus mykiss ) farms in Haraz River in Mazandaran Province, Iran |
title_full |
Incidence of streptococcusis in rainbow trout (Oncorhynchus mykiss ) farms in Haraz River in Mazandaran Province, Iran |
title_fullStr |
Incidence of streptococcusis in rainbow trout (Oncorhynchus mykiss ) farms in Haraz River in Mazandaran Province, Iran |
title_full_unstemmed |
Incidence of streptococcusis in rainbow trout (Oncorhynchus mykiss ) farms in Haraz River in Mazandaran Province, Iran |
title_sort |
incidence of streptococcusis in rainbow trout (oncorhynchus mykiss ) farms in haraz river in mazandaran province, iran |
publishDate |
2014 |
url |
http://hdl.handle.net/1834/36790 |
work_keys_str_mv |
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