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Mycobacteriosis - Fish Flashcards (view source)
Revision as of 16:24, 21 July 2011
, 16:24, 21 July 2011no edit summary
<FlashCard questions="8">
<FlashCard questions="8">
|q1= What kind of parasite are sea lice and what do they feed upon?
|q1= What type of fish species are affected by ''mycobacteria''?
|a1= Sea lice are arthropod parasites which feed on blood.
|a1=
|l1= Sea Lice#Introduction
*Freshwater
|q2= How can female and male lice be told apart?
* Saltwater
*Aquarium fish
|l1= Mycobacteriosis - Fish#Introduction
|q2= Apart from a wide range of different fish species, what other animals can it affect?
|a2=
|a2=
*Females are much larger
*prawns (crustaceans and molluscs are vectors)
*Females have a long egg sac
*sea horses
|l2= Sea Lice#Introduction
*humans
|q3= How many larval stages are there altogether and how many are parasitic?
|l2= Mycobacteriosis - Fish#Signalment
|a3= Nine altogether.
|q3= What are the common clinical signs in fish?
*Seven are parasitic
|a3=
|l3= Sea Lice#Lifecycle
*haemorrhagic lesions, erosion and scale loss on skin and fins,
|q4= Which life stages can move about on and between hosts?
*organomegaly
|a4= Pre-adult and adult
* lordosis
|l4= Sea Lice#Lifecycle
* cachexia
|q5=Which louse is most common in Britain and what fish are affected?
* exophthalmia
|a5= ''C. elongatus'' affects salmonid fish species in the UK.
* loss of pigmentation, and pale and cystic gills.
|l5= Sea Lice#Distribution
Behavioural signs include:
|q6= How do skin lesions begin and progress?
* cessation of feeding,
*lethargy,
*swimming near the surface
|l3= Mycobacteriosis - Fish #Clinical Signs
|q4= Which species of fish mycobacteria cause skin disease in humans?
|a4=
Necrotising infections in humans are caused by:
*''M. marinum ''
*''M. fortuitum''
|l4= Mycobacteriosis - Fish#Introduction
|q5= What methods help to diagnose ''mycobacterial'' infections?
|a5=
* PCR
* DNA probes- in situ hybridisation
*Antibody-based methods
|l5= Mycobacteriosis - Fish #Diagnosis
|q6= What pathology is associated with sub acute form of Mycobacteriosis in fish?
|a6=
|a6=
*Begin as whitish spots
* large caseous necrotic areas with surrounding diffuse reticuloendothelial cells and macrophages.
|l6= Mycobacteriosis - Fish #Pathology
|q7= What pathology is associated with the chronic proliferative form of Mycobacteriosis in fish?
|l6= Sea Lice#Clinical Signs
|q7= What opthalmological signs can lice cause?
|a7=
|a7=
*Erosions can lead to ulcers
* Soft granulomas - with four distinguishable layers; a central caseous necrosis, (with or without nuclear debris), spindle-shaped epithelioid cells, eosinophilic, flattened, epithelioid cells and then a fine fibrous connective tissue encircling to form a thin capsule.
*Cataracts
*Hard granulomas - composed of epithelioid cells encapsulated by fibrous connective tissue with or without calcification.
|l7= Mycobacteriosis - Fish # Pathology
|l7= Sea Lice#Clinical Signs
|q8= How can Mycobacteriosis in fish be treated?
|q8= How do sea lice kill fish?
|a8=
|a8= Anaemia and extensive skin damage cause osmoregulatory failure.
* Tetracycline
|l8= Sea Lice#Clinical Signs
* Kanamycin sulphate
|l8= Mycobacteriosis - Fish #Treatment
</FlashCard>
</FlashCard>
[[Category:Fish Flashcards]]
[[Category:Fish Flashcards]]
[[Category:To Do - Jaimie Meagor]]
[[Category:To Do - Jaimie Meagor]]