Difference between revisions of "Fish Nematodes Flashcards"

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<FlashCard questions="8">
 
<FlashCard questions="8">
|q1= Name some species of fish nematodes that are zoonotic and how do humans become infected and what are the clinical signs?
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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.
The ingestion of uncooked infected fish meat with nematodes such as:
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|l1= Sea Lice#Introduction
*''Anguillicola''
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|q2= How can female and male lice be told apart?
* ''Philometra''
 
*''Skrjabillanus''
 
* ''Anisakis''
 
Causes stomach cramps and abdominal pain.
 
|l1= Fish Nematodes#Introduction
 
|q2= Once ingested by humans, what activates nematode larvae?
 
 
|a2=  
 
|a2=  
*high temperatures
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*Females are much larger
* acidic pH
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*Females have a long egg sac
* pepsinogen
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|l2= Sea Lice#Introduction
|l2=Fish Nematodes#Introduction
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|q3= How many larval stages are there altogether and how many are parasitic?
|q3= What stage of nematode larvae infect fish musculature?
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|a3= Nine altogether.
|a3=  
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*Seven are parasitic
* third-stage larvae
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|l3= Sea Lice#Lifecycle
|l3=Fish Nematodes#Signalment
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|q4= Which life stages can move about on and between hosts?
|q4= Apart from fish and humans what other species can the nematodes infect?
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|a4= Pre-adult and adult
|a4=
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|l4= Sea Lice#Lifecycle
*'' Cetacea'' (whales, dolphins and porpoises)
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|q5=Which louse is most common in Britain and what fish are affected?
*''Phocidae '' (seals) 
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|a5= ''C. elongatus'' affects salmonid fish species in the UK.
|l4=Fish Nematodes#Signalment
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|l5= Sea Lice#Distribution
|q5= What are the major clinical signs in fish?
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|q6= How do skin lesions begin and progress?
|a5=
 
* emaciation
 
* anaemia
 
* haemorrhage
 
* enteritis
 
*loss of balance (damage to swim bladder) – fish are often seen floating on their sides.
 
*reduced swimming performance and lethargy
 
*  fraying of fins and large cutaneous  nodules
 
|l5=Fish Nematodes#Clinical Signs
 
|q6= Which nematode species can cause atrophy or destruction of gonads?  
 
 
|a6=
 
|a6=
* Philonema
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*Begin as whitish spots
*Philometras
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*Progress to erosions
|l6=Fish Nematodes#Clinical Signs
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*Can become open wounds
|q7= What is the name of a fish nematode that causes a greyish discoloration of the liver, with pinhead or larger nodules?
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*Can expose underlying bone
|a7='' Schulmanela (Hepaticola) petruschewskiies''
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|l6= Sea Lice#Clinical Signs
|l7=Fish Nematodes#Pathology
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|q7= What opthalmological signs can lice cause?
|q8= What is the most accurate way to diagnose species of nematodes?
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|a7=
|a8=
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*Erosions can lead to ulcers
* PCR
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*Cataracts
|l8=Fish Nematodes#Diagnosis
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*Blindness
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|l7= Sea Lice#Clinical Signs
 +
|q8= How do sea lice kill fish?
 +
|a8= Anaemia and extensive skin damage cause osmoregulatory failure.
 +
|l8= Sea Lice#Clinical Signs
 
</FlashCard>
 
</FlashCard>
 +
 +
 
[[Category:Fish Flashcards]]  
 
[[Category:Fish Flashcards]]  
[[Category:CABI Flashcards]]
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[[Category:To Do - Jaimie Meagor]]

Revision as of 15:46, 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