Fish Health - Midterm Flashcards
1
Q
What are some behavioural indicators of poor fish health?
A
- Drift with currant
- Whirling
- Lack of appetite
- Laze on surface of water
2
Q
What are some physical indicators of poor fish health?
A
- White spots
- Bloody vent or fins
- Bloody mouth
- Cloudy eyes
- Dark spots
3
Q
What are 5 non-infectious stressors for fish?
A
- Inappropriate temperatures
- Low oxygen levels
- Chemical imbalances
- Elevated nitrogen gas
- Lack of food
4
Q
What are the 5 categories of pathogens with relation to fish?
A
- Fungal
- Viral
- Bacterial
- Protozoa
- Metazoa
5
Q
What is vertical transmission?
A
- When pathogen is transmitted from parents to offspring
6
Q
What is horizontal transmission?
A
- When pathogen is transmitted from adults to juveniles
7
Q
Provide 5 preventative measures for viral infections.
A
- Water hardening embryos in iodophor
- Disinfect embryos in iodophor at eyed stage
- Incubate using upwelling incubator
- Remove eggshells
- Feed under ideal environmental conditions
8
Q
Provide 2 common viral diseases in fish.
A
- Infectious Hematopoietic Nercosis
- Rabies
9
Q
Provide 2 common bacterial diseases in fish.
A
- Cold water disease
- Bacterial kidney disease
10
Q
Provide 1 common fungal disease.
A
- Saprolegnia
11
Q
Provide 1 common protozan disease.
A
- Whitespot
12
Q
Provide 1 common metazoan diesase.
A
- Sea lice
