TÜRKİYE'DE GENÇ KÜLTÜR RUS MERSİN BALIKLARINDA {Acipencer gueldenstaedtii) GÖRÜLEN BAKTERİYEL HEMORAJİK SEPTİSEMİ ÜZERİNDE BİR ÇALIŞMA

Yıl 2010, Cilt 25, Sayı 1, 19 - 26, 29.12.2011

Gulsen TIMUR Tulay AKAYLI Jale KORUN Remziye YARDIMCI

Öz

İstanbul Üniversitesi Su Ürünleri Fakültesi Sapanca İçsu Balıkları Üretim ve Araştırma İstasyonu'nda beton havuzlarda yetiştiriciliği yapılan genç Rus mersin balıklarında (Acipencer gueldenstaedtii) 2002-2003 yıllarında Aeromonas hydrophila tek başına veya Flavobacterium hydatis ile karma enfeksiyon şeklinde bakteriyel hemorajik septisemi oluşturarak balıklarda düşük mortaliteye neden olmuştur. Klinik olarak hasta balıklarda (100-380gr) deri renginde koyulaşma, yüzgeç diplerinde ve ganoid pulların çevresinde hemorajiler görülmüştür. İç organlarda hiperemi ve hemoraji yaygın bir şekilde görülürken solungaçların genellikle hiperemik, hemorajik ve nekrotik olduğu tespit edilmiştir. Bazı hasta balıkların solungaç filamentlerinde epitelyal hücre hiperplazisi, nekroz ve nekrotik hücrelerde dökülme görülmüştür.

Anahtar Kelimeler

Aeromonas hydrophila, Flavobacterium hydatis, Rus mersini, hemorajik septisemi

Kaynakça

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