Fish Health Management Plan
What is a disease? (Define)
A condition regarded as harmful or abnormal; a pathological condition; deviation from normal
What is the minimum quarantine duration?
30 days
What are the two major types of pathological barriers?
External, Internal
Fish waste is excreted in the form of what chemical?
Ammonia
What is an example of something you should focus on with water quality?
DO, pH, TAN, Unionized Ammonia Nitrogen, Nitrite, Nitrate, Total Alkalinity, Total Hardness
What are the two major categories of diseases?
Infectious and non-infectious
Do cool water species require longer or shorter quarantine periods?
Longer
What is an example of an external barrier?
tire/truck wash, foot bath, physical separation, restrict access
Ammonia converts to __________ with the interaction of nitrosomones bacteria.
Nitrite
What is the optimum pH for salt water?
7.8-8.3
What are two of the categories of non-infectious diseases?
environmental (water quality, toxin), nutritional, genetic, traumatic, neoplastic
What time period (days) are the most critical during quarantine?
7-21
What are two types of internal barriers?
Partitions, sanitation/hygene (clean/disinfect equipment, inactivate pathogens, prevent fish-to-fish contact)
Nitrobacter bacteria remove nitrite to produce
Nitrate
What is the optimum pH for freshwater?
6.5-9
What are two of the four major types of infectious diseases?
Parasitic, bacterial, fungal, viral
How long should you dim the lights for incoming fish?
24hrs
How do you manage agents already present?
decrease spread, decrease numbers, increase resistance
Nitrate is released to the ______________ and used by plants and soil bacteria.
water and atmosphere
What are the limits for unionized ammonia nitrogen for salt and freshwater?
less than .05mg/L for both
What is one of the four components of a fish health management plan?
Water quality, nutrition, sanitation, biosecurity/quarantine
What are two components of a quarantine program?
Animal records
Quarantine procedures
Enviro Considerations
Nutritional concerns
Vaccination protocol
Sanitation practices
Methods of disease surveillance
How do you prevent the introduction of new agents?
Exclude pathogens, identify pathogens, eliminate pathogens while in quarantine
What are the chemical equations for nitrate and nitrite?
NO3-
NO2-
Nitrate concentrations for salt and freshwater?
less than 50mg/L and 20mg/L