Zebrafish Biomedical Hatchery Exam Questions
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18 Terms
What causes high FCR’s?
Overfeeding and underfeeding
A low FCR is?
A good FCR (1.4)
Feed conversion ratio formula:
feed fed / Biomass Total kg’s fed/ total kg’s gained.
FCE
Feed conversion efficiency
FCE formula
Biomass Gained / Feed Fed
What are the 5 freedoms?
Freedom from hunger and thirst
Freedom from discomfort
Freedom from pain, injury or disease
Freedom to express normal behaviour
Freedom from fears and disease
3 R’s of Animal Research:
replacement, reduction, refinement
Cycloid scales (zebra fish)
Ctenoid
Placoid scales
Cosmoid scales
Ganoid scales
Ganoid scales
Turbitity
water clarity vs. light penetration
The limit for unionized ammonia for salmonids is…
0.125
Oddity effect:
Fish that look different are more likely to be targeted by predators
Shoal:
Group of fish staying together but they do their own thing. (swimming opposite directions)
School:
A shoal that swim in a synchronized way is a….
Note 
Flashcards (37)