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   Isolation and Characterization of Different Bacterial Agents From Crayfish (Astacus Leptodactylus) of Aras Reservoir, Iran  
   
نویسنده Yahyazadeh My ,Seidgar M ,Shiri S
منبع Sustainable Aquaculture And Health Management Journal - 2016 - دوره : 2 - شماره : 1 - صفحه:80 -86
چکیده    Freshwater crayfish (astacus leptodactylus) is an important economic fisheries resource of aras reservoir, iran. the infection of freshwater crayfish by gram negative and gram positive bacteria are common in natural and cultural environments. these bacteria are considered as secondary disease agents or opportunities. this study was conducted to investigate infestation condition on freshwater crayfish regarding the bacterial agents by culturing from haemolymph in aseptic condition on blood agar, trypton soya agar (tsa) and cytophaga agar and was performed by biochemical tests. in this study aeromonas hydrophila, staphylococcus aureus, micrococcus luteus and flavobacterium johnsoniae were isolated and determined. according to the results which was performed for first time on aras reservoir freshwater crayfish, the percentage of crayfish which carried the bacteria in haemolymph were variable (20.0-58.5%). also, the gram negative bacteria particularly aeromonas hydrophila were dominant among the bacterial isolates from crayfish.
کلیدواژه Bacterial Infestation ,Astacus Leptodactylus ,Aras Reservoir ,West Azarbaijan ,Iran
آدرس Iranian Fisheries Science Research Institute, ایران. National Artemia Research Center, ایران. Agricultural Research Education And Extension Organization, ایران, National Artemia Research Center, ایران. Fisheries Science Research Institute, ایران. Agricultural Research Education And Extension Organization, ایران, Iranian Fisheries Science Research Institute, ایران. National Artemia Research Center, ایران. Agricultural Research Education And Extension Organization, ایران
 
     
   
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