Aeromonas isolates were collected from cultured fish, characterized phenotypically and identified to species using 16S rDNA. The pathogenicity of all isolates was assayed on the basis of haemolytic and proteolytic activity and challenge tests were performed for isolates from healthy fish. A total of 131 Aeromonas isolates were obtained and identified as follows: A. hydrophila (13), A. bestiarum (23), A. salmonicida (motile biogroup) 0 9), A. caviae (2), A. sobria (18), A. veronii bt. sobria (42), A. jandaei (1), A. encheleia (11) and A. allosaccharophila (2). All isolates of A. hydrophila and A. bestiarum and most isolates of A. salmonicida and A. veronii were classified as pathogenic. Aeromonas hydrophila was isolated only from diseased trout except for one isolate obtained from carp fry. The other potentially pathogenic Aeromonas species were present in diseased as well as healthy fish. The pathogenicity of isolates from healthy fish was correlated with their enzymatic activity and was also tested by challenge experiments. The dominant pathogenic species were A. veronii bt. sobria, A. bestiarum and A. salmonicida in common carp and A. hydrophila in rainbow trout.
机构:
Al Farabi Kazakh Natl Univ, Fac Biol & Biotechnol, Dept Mol Biol & Genet, Alma Ata 050040, Kazakhstan
Al Farabi Kazakh Natl Univ, Sci Res Inst Biol & Biotechnol Problems, Alma Ata 050040, KazakhstanAl Farabi Kazakh Natl Univ, Fac Biol & Biotechnol, Dept Mol Biol & Genet, Alma Ata 050040, Kazakhstan
Bakiyev, Serik
Smekenov, Izat
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Al Farabi Kazakh Natl Univ, Fac Biol & Biotechnol, Dept Mol Biol & Genet, Alma Ata 050040, Kazakhstan
Al Farabi Kazakh Natl Univ, Sci Res Inst Biol & Biotechnol Problems, Alma Ata 050040, KazakhstanAl Farabi Kazakh Natl Univ, Fac Biol & Biotechnol, Dept Mol Biol & Genet, Alma Ata 050040, Kazakhstan
Smekenov, Izat
Zharkova, Irina
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Al Farabi Kazakh Natl Univ, Fac Biol & Biotechnol, Dept Biodivers & Bioresources, Alma Ata 050040, KazakhstanAl Farabi Kazakh Natl Univ, Fac Biol & Biotechnol, Dept Mol Biol & Genet, Alma Ata 050040, Kazakhstan
Zharkova, Irina
Kobegenova, Saidina
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Al Farabi Kazakh Natl Univ, Fac Biol & Biotechnol, Dept Biodivers & Bioresources, Alma Ata 050040, KazakhstanAl Farabi Kazakh Natl Univ, Fac Biol & Biotechnol, Dept Mol Biol & Genet, Alma Ata 050040, Kazakhstan
Kobegenova, Saidina
Sergaliyev, Nurlan
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Makhambet Utemisov West Kazakhstan Univ, Uralsk 090000, KazakhstanAl Farabi Kazakh Natl Univ, Fac Biol & Biotechnol, Dept Mol Biol & Genet, Alma Ata 050040, Kazakhstan
Sergaliyev, Nurlan
Absatirov, Gaisa
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West Kazakhstan Innovat & Technol Univ, Uralsk 090000, KazakhstanAl Farabi Kazakh Natl Univ, Fac Biol & Biotechnol, Dept Mol Biol & Genet, Alma Ata 050040, Kazakhstan
Absatirov, Gaisa
Bissenbaev, Amangeldy
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Al Farabi Kazakh Natl Univ, Fac Biol & Biotechnol, Dept Mol Biol & Genet, Alma Ata 050040, Kazakhstan
Al Farabi Kazakh Natl Univ, Sci Res Inst Biol & Biotechnol Problems, Alma Ata 050040, Kazakhstan
Al Farabi Kazakh Natl Univ, Fac Biol & Biotechnol, Dept Mol Biol & Genet, Alma Ata 050040, KazakhstanAl Farabi Kazakh Natl Univ, Fac Biol & Biotechnol, Dept Mol Biol & Genet, Alma Ata 050040, Kazakhstan
机构:
Nanjing Agr Univ, MOE Joint Int Res Lab Anim Hlth & Food Safety, Coll Vet Med, Nanjing 210095, Peoples R China
Minist Agr, Key Lab Anim Bacteriol, Nanjing, Peoples R China
OIE Reference Lab Swine Streptococcosis, Nanjing, Peoples R ChinaNanjing Agr Univ, MOE Joint Int Res Lab Anim Hlth & Food Safety, Coll Vet Med, Nanjing 210095, Peoples R China
Wang, Shuoyue
Ma, Miaohang
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Nanjing Agr Univ, MOE Joint Int Res Lab Anim Hlth & Food Safety, Coll Vet Med, Nanjing 210095, Peoples R China
Minist Agr, Key Lab Anim Bacteriol, Nanjing, Peoples R China
OIE Reference Lab Swine Streptococcosis, Nanjing, Peoples R ChinaNanjing Agr Univ, MOE Joint Int Res Lab Anim Hlth & Food Safety, Coll Vet Med, Nanjing 210095, Peoples R China
Ma, Miaohang
Liang, Zijing
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Nanjing Agr Univ, MOE Joint Int Res Lab Anim Hlth & Food Safety, Coll Vet Med, Nanjing 210095, Peoples R China
Minist Agr, Key Lab Anim Bacteriol, Nanjing, Peoples R China
OIE Reference Lab Swine Streptococcosis, Nanjing, Peoples R ChinaNanjing Agr Univ, MOE Joint Int Res Lab Anim Hlth & Food Safety, Coll Vet Med, Nanjing 210095, Peoples R China
Liang, Zijing
Zhu, Xinchi
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Nanjing Agr Univ, MOE Joint Int Res Lab Anim Hlth & Food Safety, Coll Vet Med, Nanjing 210095, Peoples R China
Minist Agr, Key Lab Anim Bacteriol, Nanjing, Peoples R China
OIE Reference Lab Swine Streptococcosis, Nanjing, Peoples R ChinaNanjing Agr Univ, MOE Joint Int Res Lab Anim Hlth & Food Safety, Coll Vet Med, Nanjing 210095, Peoples R China
Zhu, Xinchi
Yao, Huochun
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Nanjing Agr Univ, MOE Joint Int Res Lab Anim Hlth & Food Safety, Coll Vet Med, Nanjing 210095, Peoples R China
Minist Agr, Key Lab Anim Bacteriol, Nanjing, Peoples R China
OIE Reference Lab Swine Streptococcosis, Nanjing, Peoples R ChinaNanjing Agr Univ, MOE Joint Int Res Lab Anim Hlth & Food Safety, Coll Vet Med, Nanjing 210095, Peoples R China
Yao, Huochun
Wang, Liping
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Nanjing Agr Univ, MOE Joint Int Res Lab Anim Hlth & Food Safety, Coll Vet Med, Nanjing 210095, Peoples R ChinaNanjing Agr Univ, MOE Joint Int Res Lab Anim Hlth & Food Safety, Coll Vet Med, Nanjing 210095, Peoples R China
Wang, Liping
Wu, Zongfu
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Nanjing Agr Univ, MOE Joint Int Res Lab Anim Hlth & Food Safety, Coll Vet Med, Nanjing 210095, Peoples R China
Minist Agr, Key Lab Anim Bacteriol, Nanjing, Peoples R China
OIE Reference Lab Swine Streptococcosis, Nanjing, Peoples R ChinaNanjing Agr Univ, MOE Joint Int Res Lab Anim Hlth & Food Safety, Coll Vet Med, Nanjing 210095, Peoples R China
机构:
Jimei Univ, Fishery Coll, Minist Educ, Anguilla Modern Engn Res Ctr Ind Technol, Xiamen, Peoples R ChinaJimei Univ, Fishery Coll, Minist Educ, Anguilla Modern Engn Res Ctr Ind Technol, Xiamen, Peoples R China
Guo, S. L.
Yang, Q. H.
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Jimei Univ, Fishery Coll, Minist Educ, Anguilla Modern Engn Res Ctr Ind Technol, Xiamen, Peoples R ChinaJimei Univ, Fishery Coll, Minist Educ, Anguilla Modern Engn Res Ctr Ind Technol, Xiamen, Peoples R China
Yang, Q. H.
Feng, J. J.
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Jimei Univ, Fishery Coll, Minist Educ, Anguilla Modern Engn Res Ctr Ind Technol, Xiamen, Peoples R ChinaJimei Univ, Fishery Coll, Minist Educ, Anguilla Modern Engn Res Ctr Ind Technol, Xiamen, Peoples R China
Feng, J. J.
Duan, L. H.
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Jimei Univ, Fishery Coll, Minist Educ, Anguilla Modern Engn Res Ctr Ind Technol, Xiamen, Peoples R ChinaJimei Univ, Fishery Coll, Minist Educ, Anguilla Modern Engn Res Ctr Ind Technol, Xiamen, Peoples R China
Duan, L. H.
Zhao, J. P.
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Jimei Univ, Fishery Coll, Minist Educ, Anguilla Modern Engn Res Ctr Ind Technol, Xiamen, Peoples R ChinaJimei Univ, Fishery Coll, Minist Educ, Anguilla Modern Engn Res Ctr Ind Technol, Xiamen, Peoples R China
机构:
Kochi Univ, Fac Agr & Marine Sci, Lab Fish Dis Aquaculture Course, Dept Marine Resource Sci, Nankoku, Kochi, JapanKochi Univ, Fac Agr & Marine Sci, Lab Fish Dis Aquaculture Course, Dept Marine Resource Sci, Nankoku, Kochi, Japan
Imajoh, Masayuki
Yoshida, Shiomi
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机构:
Natl Hosp Org, Clin Res Ctr, Kinki chuo Chest Med Ctr, Sakai, Osaka, JapanKochi Univ, Fac Agr & Marine Sci, Lab Fish Dis Aquaculture Course, Dept Marine Resource Sci, Nankoku, Kochi, Japan
Yoshida, Shiomi
Nonaka, Lisa
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机构:
Shokei Univ, Fac Human Life Sci, Kumamoto, Kumamoto, JapanKochi Univ, Fac Agr & Marine Sci, Lab Fish Dis Aquaculture Course, Dept Marine Resource Sci, Nankoku, Kochi, Japan
Nonaka, Lisa
Fukushima, Yukari
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机构:
Hokkaido Univ, Int Inst Zoonosis Control, Div Bioresources, Sapporo, Hokkaido, JapanKochi Univ, Fac Agr & Marine Sci, Lab Fish Dis Aquaculture Course, Dept Marine Resource Sci, Nankoku, Kochi, Japan
机构:
Sun Yat Sen Univ, Sch Life Sci, State Key Lab Biocontrol, Guangdong Prov Key Lab Aquat Econ Anim, Guangzhou 510275, Guangdong, Peoples R ChinaSun Yat Sen Univ, Sch Life Sci, State Key Lab Biocontrol, Guangdong Prov Key Lab Aquat Econ Anim, Guangzhou 510275, Guangdong, Peoples R China
Zhou, S. M.
Xie, M. Q.
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Sun Yat Sen Univ, Sch Life Sci, State Key Lab Biocontrol, Guangdong Prov Key Lab Aquat Econ Anim, Guangzhou 510275, Guangdong, Peoples R ChinaSun Yat Sen Univ, Sch Life Sci, State Key Lab Biocontrol, Guangdong Prov Key Lab Aquat Econ Anim, Guangzhou 510275, Guangdong, Peoples R China
Xie, M. Q.
Zhu, X. Q.
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S China Agr Univ, Coll Vet Med, Guangzhou, Guangdong, Peoples R ChinaSun Yat Sen Univ, Sch Life Sci, State Key Lab Biocontrol, Guangdong Prov Key Lab Aquat Econ Anim, Guangzhou 510275, Guangdong, Peoples R China
Zhu, X. Q.
Ma, Y.
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Sun Yat Sen Univ, Sch Life Sci, State Key Lab Biocontrol, Guangdong Prov Key Lab Aquat Econ Anim, Guangzhou 510275, Guangdong, Peoples R ChinaSun Yat Sen Univ, Sch Life Sci, State Key Lab Biocontrol, Guangdong Prov Key Lab Aquat Econ Anim, Guangzhou 510275, Guangdong, Peoples R China
Ma, Y.
Tan, Z. L.
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机构:
Intervet Norbio Singapore Pte Ltd, Singapore, SingaporeSun Yat Sen Univ, Sch Life Sci, State Key Lab Biocontrol, Guangdong Prov Key Lab Aquat Econ Anim, Guangzhou 510275, Guangdong, Peoples R China
Tan, Z. L.
Li, A. X.
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机构:
Sun Yat Sen Univ, Sch Life Sci, State Key Lab Biocontrol, Guangdong Prov Key Lab Aquat Econ Anim, Guangzhou 510275, Guangdong, Peoples R ChinaSun Yat Sen Univ, Sch Life Sci, State Key Lab Biocontrol, Guangdong Prov Key Lab Aquat Econ Anim, Guangzhou 510275, Guangdong, Peoples R China