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22 Cards in this Set
- Front
- Back
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What monogenetic fluke is very prolific and is an epidermal feeder
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gyrodactylous
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Stressor induced
Occur @ optimal temp DOES NOT TEND TO INVADE – Biofilm Disruption Extracellular toxin causes interlamellar resp. cell proliferation |
Bacterial Gill Dz (BGD)
Flavobacter branchiophilum |
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Name 3 species of copepods in fish?
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sea lice (calligus) Lepeoptherius
anchor worm salmonicola |
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Branchiurians
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argulus
easily visible in small tanks good swimmer, 20 degrees + for blooming No lesions @ first Injected toxins lead to necrosis secondary infections follow in ulcers. |
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_______ is an ulcerative & septicemic disease in many species of marine fish and has the anguillarum and ordalli species, occurs in warm temperatures.
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vibriosis
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What is the organism that causes cold water vibrosis?
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V. salmonarum (Listonella)
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WHat are the 2 species of aeromonads?
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A. Salmonicida (furunculosis)
A. hydrophila (MAS, Hemorrhagic disease) |
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What aeromonad disease is found mostly in salmon, mostly a secondary invader, can be found in humans and poor water conditions can lead to pathological infections?
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Aeromonas hydrophila
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What aeromonad disease is an obligate pathogen and must live in a host, has good water survival for a short time and is not a human pathogen?
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A. Salmonicida (furunculosis)
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What systemic disease of fish is also known as Ulcer disease, is a common commensal of enteric tract of normal fish, stress related outbreaks may occur and lead to hemorrhagic enteritis?
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Aeromonas hydrophila
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What is the most common form of saprolegniasis?
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saprolegnia dicline
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What form of saprolegniasis can become aggressively necrophilic?
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sacrophytic
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Mucus is active in control of infections by what 4 factors?
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dilution
innate immunity active immunity biofilm accommodation |
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________ is a disease of elevated temperature, highly invasive, infarctive, infective, necrotic and embolic lesions.
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Columnaris Dz/Saddleback Dz
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What are 5 important factors about water?
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3% of O2 found in the air
contains a complex array of gases and minerals can equalize with air Gives off CO2 readily retains ammonia |
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WHat is the saltwater version of white spot disease?
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Cryptocaryon irritans
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WHat are 3 non respiratory functions of the gill?
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ammonia can be excreted
chloride is exchanged via ionocytes regeneration of pavement cells |
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WHat leads to respiratory distress syndrome?
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Only stroke volume
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_____ O2 causes central depression of appetite.
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low
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_____ CO2 affects a different center and effects respiration rate.
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high
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_____ CO2 & ____ ammonia lead to narcosis.
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high, high
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High chronic CO2 causes _______.
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nephrocalcinosis
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