Ferret and fish 4 mod 11

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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?

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?

Hypodermis

Cuticle

Dermis

Epidermis (correct)

What is Flavobacterium columnare commonly referred to as?

Mouth fungus Signup and view all the answers

Which virus requires a water temperature of 18-27C for transmission?

Koi Herpesvirus (KHV) Signup and view all the answers

Which virus tends to strike in spring with rising water temperatures?

Spring Viraemia of Carp Virus (SVCV) Signup and view all the answers

Which virus affects fresh water and marine fish, mainly from tropical climes?

Lymphocystivirus Signup and view all the answers

Which virus affects the freshwater species Pterophyllum scalare?

Iridovirus Signup and view all the answers

Which bacteria is commonly associated with poor husbandry and water quality?

P. fluorescens Signup and view all the answers

What is the specific treatment for streptococcal infections in fish?

Improving husbandry and reducing stress Signup and view all the answers

Which viral disease of the skin affects carp and produces white 'candlewax' like lesions?

Cyprinid Herpesvirus 1 Signup and view all the answers

What is the transmission mode of Cyprinid Herpesvirus 2?

Vertical and horizontal Signup and view all the answers

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?

Aeromonas Signup and view all the answers

Which bacterium can cause skin and gill disease and is different as it is a filamentous non gliding bacterium?

Flavobacterium Signup and view all the answers

Which bacterium is associated with fin rot and peduncle disease in salmonids and has also been recovered in fresh water fish?

Cytophaga Signup and view all the answers

Which bacterium produces ulcer disease in marine fish and may cause black patches to form or erosions around the mouth?

Flexibacter Signup and view all the answers

Which of the following diseases is associated with extensive necrosis and haemorrhage of haematopoietic tissues in the kidney and spleen?

Gourami Iridovirus Signup and view all the answers

Which disease is an opportunist pathogen that adheres to damaged skin and produces a cotton-wool like covering?

Saprolegnia Signup and view all the answers

Which disease affects carp, such as the koi, and produces a fleshy swelling often around the tail base/peduncle?

Dermocystidium koi Signup and view all the answers

Which disease predominantly affects the gills and can spread around the body, causing infarcts and necrosis?

Branchiomyces species Signup and view all the answers