Columnaris Disease Flashcards
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| Question | Answer | Article | |
| What are the characteristics of the bacterium, Flavobacterium columnare, responsible for Columnaris disease? |
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| In what water temperature is Columnaris disease usually seen? | Above 12-14⁰C
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| What is the most prominent clinical sign of Columnaris disease? | Circular grey-yellow opalescent necrotic lesions on the skin, fins and gills
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| What lesion is seen in catfish? | “Saddleback” necrosis of the dorsal tissues
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| What type of agar can F. columnare be cultured on? | Reduced nutrient, e.g. cytophaga or selective agar.
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| What do the typical colonies look like? | F. columnare colonies are characteristic and unique.
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| What are the possible treatments for diseased fish? |
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