Difference between revisions of "Mycobacteriosis - Fish Flashcards"

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<FlashCard questions="8">
 
<FlashCard questions="8">
|q1= What type of fish species are affected by ''mycobacteria''?
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|q1= What kind of parasite are sea lice and what do they feed upon?
|a1=  
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|a1= Sea lice are arthropod parasites which feed on blood.
*Freshwater
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|l1= Sea Lice#Introduction
*Saltwater
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|q2= How can female and male lice be told apart?
*Aquarium fish
 
|l1= Mycobacteriosis - Fish#Introduction
 
|q2= Apart from a wide range of different fish species, what other animals can it affect?
 
 
|a2=  
 
|a2=  
*prawns (crustaceans and molluscs  are vectors)
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*Females are much larger
*sea horses
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*Females have a long egg sac
*humans
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|l2= Sea Lice#Introduction
|l2= Mycobacteriosis - Fish#Signalment
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|q3= How many larval stages are there altogether and how many are parasitic?
|q3= What are the common clinical signs in fish?
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|a3= Nine altogether.
|a3=  
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*Seven are parasitic
*haemorrhagic lesions, erosion and scale loss on skin and fins,
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|l3= Sea Lice#Lifecycle
*organomegaly
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|q4= Which life stages can move about on and between hosts?
*lordosis
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|a4= Pre-adult and adult
*cachexia
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|l4= Sea Lice#Lifecycle
*exophthalmia
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|q5=Which louse is most common in Britain and what fish are affected?
*loss of pigmentation, and pale and cystic gills.  
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|a5= ''C. elongatus'' affects salmonid fish species in the UK.
Behavioural signs include:
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|l5= Sea Lice#Distribution
*cessation of feeding,
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|q6= How do skin lesions begin and progress?
*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=
* large caseous necrotic areas with surrounding diffuse reticuloendothelial cells and macrophages.
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*Begin as whitish spots
|l6= Mycobacteriosis - Fish#Pathology
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*Progress to erosions
|q7= What pathology is associated with the chronic proliferative form of Mycobacteriosis in fish?
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*Can become open wounds
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*Can expose underlying bone
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|l6= Sea Lice#Clinical Signs
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|q7= What opthalmological signs can lice cause?
 
|a7=
 
|a7=
* '''Soft granulomas'''  - with four distinguishable layers:
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*Erosions can lead to ulcers
**central caseous necrosis(with or without nuclear debris)
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*Cataracts
**spindle-shaped epithelioid cells
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*Blindness
**eosinophilic, flattened, epithelioid cells
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|l7= Sea Lice#Clinical Signs
**fine fibrous connective tissue forming a thin capsule
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|q8= How do sea lice kill fish?
*'''Hard granulomas''' - composed of epithelioid cells encapsulated by fibrous connective tissue with or without calcification.
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|a8= Anaemia and extensive skin damage cause osmoregulatory failure.
|l7= Mycobacteriosis - Fish#Pathology
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|l8= Sea Lice#Clinical Signs
|q8= How can Mycobacteriosis in fish be treated?
 
|a8=
 
* Tetracycline
 
* Kanamycin sulphate
 
|l8= Mycobacteriosis - Fish#Treatment
 
 
</FlashCard>
 
</FlashCard>
  
 
[[Category:Fish Flashcards]]  
 
[[Category:Fish Flashcards]]  
[[Category:CABI Flashcards]]
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[[Category:To Do - Jaimie Meagor]]

Revision as of 15:47, 15 July 2011

Question Answer Article
What kind of parasite are sea lice and what do they feed upon? Link to Article
How can female and male lice be told apart? Link to Article
How many larval stages are there altogether and how many are parasitic? Link to Article
Which life stages can move about on and between hosts? Link to Article
Which louse is most common in Britain and what fish are affected? Link to Article
How do skin lesions begin and progress? Link to Article
What opthalmological signs can lice cause? Link to Article
How do sea lice kill fish? Link to Article