Mice And Rats Flashcards
Use of mice and rats.
Lab research, pets, feeders
What research do we use mice for?
Genetics in humans, disease and repro studies
What do we use rats for in research?
Cancer, tumor, developmental learning
Three different sizes of feeders?
Pinkies, fuzzier, hoppers
Mouse.
Mus musculus
Pied
Black and white
Rats.
Rattus norvegicus
When do mice and rats reach sexual maturity?
8-12 weeks
Gestation period of mice.
18-19 days
Gestation of rats.
21-23 days
Dental formula of mice and rats.
2
Group of mice.
Gang
Angoenital distance.
Length between anus and genitalia
Angoenitalc distances of _____ are longer.
Males
Keep cycling.
Continually polyestrus
If you introduce a male, all females will synchronize.
Whiten effect
Female aborts litter when smell is introduced from male urine.
Bruce effect
Why do we not want to give plots of nuts and seeds?
Fattening
Hairs are erected.
Piloerection
General signs of illness
Weight loss, lethargy, piloerection
What causes barbering?
Dominance or boredom
Tyzzer disease bacteria.
Clostridium piliformis
Affects immunosuppressed animals.
Tyzzer disease
Most common viral disease in mice.
Sendai virus
Constrictions of the tail due to husbandry complications.
Ringtail
Most significant viral disease in rats.
Sialodacryoadenitits
A common URI in rats.
Murine respiratory mycoplasmosis
Best location for blood draw in rat.
Lateral tail vein
Mice blood technique
Retro orbital bleed
Most successful species.
Mice
