Journals / Journal of FisheriesSciences.com / 2010 / Cilt: 4 - Sayı: 4

A study of Acinetobacter sp. infection in some cultured rainbow trout (Oncorhynchus mykiss) in Kahraman-maras

Kahramanmaraş Bölgesindeki bazı gökkuşağı alabalığı (Oncorhynchus mykiss)

Pages
287–293
Publication Date
2022-10-18
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Antibiotic susceptibility tests revealed that strains were sensitive to norfloxacin and gentamicinOn the other hand, some of the pathogen strains were found to be resistant to oxytetracycline, sulfamethoxazole, chloraphenycol and amoxicillin.

📌 3 Key Takeaways

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Objective & Hypothesis:An outbreak has appeared affecting rainbow trout weighting 0.5-1 g from different fish man-agement units in Kahramanmaras region in 2008 year.
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Key Findings & Data:Cul-tures were incubated at 24 ºC.
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Conclusion & Impact:Antibiotic susceptibility tests revealed that strains were sensitive to norfloxacin and gentamicinOn the other hand, some of the pathogen strains were found to be resistant to oxytetracycline, sulfamethoxazole, chloraphenycol and amoxicillin.
🔬Design:Research Article
📍Scope:2008 Verileri
⚙️Variables:Domain Parameters

Abstract

An outbreak has appeared affecting rainbow trout weighting 0.5-1 g from different fish man-agement units in Kahramanmaras region in 2008 year. The fish were examined systematically in terms of fish diseases. Fish samples were brought Firat University Fisheries Faculty. For this goal, isolation was made onto appropriate agar plates under sterile conditions from fish. Cul-tures were incubated at 24 ºC. Clinical signs at fish were observed as dark skin, exophthalmia, injured on dorsal zone, disorders on the fish body, bleeding in the base of the dorsal and tail fin. As autopsy signs in liver and kidney of fish were observed lesions. Water quality parame-ters such as temperature, dissolved oxygen and pH were measured. According to morphologi-cal and biochemical tests, three different bacteria isolated at farms were identifed as Acineto-bacter sp. Antibiotic susceptibility tests revealed that strains were sensitive to norfloxacin and gentamicinOn the other hand, some of the pathogen strains were found to be resistant to oxytetracycline, sulfamethoxazole, chloraphenycol and amoxicillin.

Özet

Kahramanmaraş Bölgesinde bulunan bazı alabalık işletmelerinde 2008 yılının Mart-Mayıs ay-larında 0.5-1 g ağırlığındaki gökkuşağı alabalığı (Oncorhynchus mykiss, W., 1792) yavrula-rında yüksek mortalite ile seyreden bir enfeksiyona rastlandı. Balıklar, bulundukları işletmede sistematik olarak hastalıklar yönünden incelendi. Daha sonra Fırat Üniversitesi Su Ürünleri Fa-kültesi Balık Hastalıkları Laboratuarına canlı olarak getirilen balıklardan uygun besi yerlerine steril şartlarda ekimler yapılarak 24 ºC’de inkübasyonları gerçekleştirildi. Hasta balıklarda ekzoftalmus ve deride kararmalar ile birlikte iştahsızlık ve durgunluk, vücutta çarpıklıklar, sırt kısmında yaralar ile dorsal ve kuyruk yüzgecinin tabanında kanamalar tespit edildi. Otopside karaciğer ve böbrekte lezyonlar gözlemlendi. Su kaynaklarının sıcaklık, çözünmüş oksijen ve pH değerleri ölçüldü. Bakterilerin morfolojik ve biyokimyasal testleri sonucunda belirlenen 3 farklı suşun Acinetobacter sp. olduğu belirlendi. Elde edilen izolatların antibakteriyel ilaçlara karşı duyarlılıkları disk difüzyon yöntemi ile incelendi. Suşların gentamisin ve norfloksasin an-tibiyotiklerine karşı duyarlı, oksitetrasiklin, sulfametoksazol, kloramfenikol ve amoksisilin an-tibiyotiklerine ise dirençli olduğu tespit edildi.

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Cite This Article

KARAHAN, M., SAĞLAM, N., YONAR, S., YONAR, M. E., KAN, N. İ. (2022). A study of Acinetobacter sp. infection in some cultured rainbow trout (Oncorhynchus mykiss) in Kahraman-maras. Journal of FisheriesSciences.com, Cilt: 4 - Sayı: 4, 287–293. https://ajindex.com/articles/563264

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