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Questions and Answers
Which layer of the fish skin contains pigment cells?
Which layer of the fish skin contains pigment cells?
- Dermis (correct)
- Cuticle
- Epidermis
- Hypodermis
What is the average thickness of the cuticle layer on the fish skin?
What is the average thickness of the cuticle layer on the fish skin?
- 10 micrometers
- 1 micrometer (correct)
- 5 micrometers
- 3 micrometers
Which layer of the fish skin is composed of malpighian cells capable of mitosis at all layers?
Which layer of the fish skin is composed of malpighian cells capable of mitosis at all layers?
- Hypodermis
- Cuticle
- Dermis
- Epidermis (correct)
What is Flavobacterium columnare commonly referred to as?
What is Flavobacterium columnare commonly referred to as?
Which virus requires a water temperature of 18-27C for transmission?
Which virus requires a water temperature of 18-27C for transmission?
Which virus tends to strike in spring with rising water temperatures?
Which virus tends to strike in spring with rising water temperatures?
Which virus affects fresh water and marine fish, mainly from tropical climes?
Which virus affects fresh water and marine fish, mainly from tropical climes?
Which virus affects the freshwater species Pterophyllum scalare?
Which virus affects the freshwater species Pterophyllum scalare?
Which bacteria is commonly associated with poor husbandry and water quality?
Which bacteria is commonly associated with poor husbandry and water quality?
What is the specific treatment for streptococcal infections in fish?
What is the specific treatment for streptococcal infections in fish?
Which viral disease of the skin affects carp and produces white 'candlewax' like lesions?
Which viral disease of the skin affects carp and produces white 'candlewax' like lesions?
What is the transmission mode of Cyprinid Herpesvirus 2?
What is the transmission mode of Cyprinid Herpesvirus 2?
Which bacterium is a known cause of ulcer disease in mainly fresh-water fish and regularly causes septicaemia with reddening of the skin and increased vascularity of the fins?
Which bacterium is a known cause of ulcer disease in mainly fresh-water fish and regularly causes septicaemia with reddening of the skin and increased vascularity of the fins?
Which bacterium can cause skin and gill disease and is different as it is a filamentous non gliding bacterium?
Which bacterium can cause skin and gill disease and is different as it is a filamentous non gliding bacterium?
Which bacterium is associated with fin rot and peduncle disease in salmonids and has also been recovered in fresh water fish?
Which bacterium is associated with fin rot and peduncle disease in salmonids and has also been recovered in fresh water fish?
Which bacterium produces ulcer disease in marine fish and may cause black patches to form or erosions around the mouth?
Which bacterium produces ulcer disease in marine fish and may cause black patches to form or erosions around the mouth?
Which of the following diseases is associated with extensive necrosis and haemorrhage of haematopoietic tissues in the kidney and spleen?
Which of the following diseases is associated with extensive necrosis and haemorrhage of haematopoietic tissues in the kidney and spleen?
Which disease is an opportunist pathogen that adheres to damaged skin and produces a cotton-wool like covering?
Which disease is an opportunist pathogen that adheres to damaged skin and produces a cotton-wool like covering?
Which disease affects carp, such as the koi, and produces a fleshy swelling often around the tail base/peduncle?
Which disease affects carp, such as the koi, and produces a fleshy swelling often around the tail base/peduncle?
Which disease predominantly affects the gills and can spread around the body, causing infarcts and necrosis?
Which disease predominantly affects the gills and can spread around the body, causing infarcts and necrosis?
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