mice questions Flashcards
1
Q
What is lifespan of a mouse?
A
1.5-2.5 years
2
Q
what is the weight of mice?
A
around 20-40g
- dependent on gender and strain (and age)
3
Q
What is the HR?
A
310-850 bpm
4
Q
what is the resp rate?
A
60/220 breaths/min
5
Q
what is the temp?
A
38-39 C
6
Q
what do pheromones do?
A
Maintain stability in the colony
7
Q
When is sexual maturity/pubity reached in mice?
A
About 6 weeks (may be 7 for males)
8
Q
How long is the mouse oestrus cycle?
A
4-5 days
9
Q
what is the gestation length in mice?
A
19-21 days
10
Q
When does weaning occur?
A
21 days
11
Q
What humidity should air be kept at?
A
55% (+- 10%)
12
Q
What temperature should air be kept at?
A
19-23~21 C
13
Q
How big is a litter?
A
Varies but typically between 4-12 pupus
14
Q
What does post-partem mean?
A
Mice become pregnant straight away after giving birth
15
Q
Why may envrionmental enrichment be useful?
A
- expression of natural behaviour
- reduces fighting
- shelter
- things to do/ prevents boredom
