Rat Intro Flashcards Preview

Lab Animal > Rat Intro > Flashcards

Flashcards in Rat Intro Deck (16)
Loading flashcards...
1
Q

Weight at maturity for rats

A

250-500 g

2
Q

Dental formula for rats

A

I 1/1 C 0/0 P 0/0 M 3/3

3
Q

2n chromosome number for rats

A

42

4
Q

True or false: Unlike mice rats have a gallbladder.

A

False

5
Q

Age at sexual maturity for rats

A

50-60 days

6
Q

Rat estrus cycle length

A

4-5 days cycle

7
Q

Rat gestation

A

20-22 days

8
Q

The scientific name for the red tear staining that can occur with rats is…

A

chromodacryorrhea

9
Q

Porphyrin is produced by what structure

A

Hardarian gland

10
Q

Maximum blood volume that can be be drawn safely

A

1% body weight every 2 weeks (3ml blood every 2 weeks for a 300 g rat)

11
Q

Daily water consumption for a rat

A

24-60 ml/day

12
Q

Daily food consumption for a rat

A

15-30 g/d

13
Q

Name the lesion

A

Malocclusion

14
Q

What environmental condition do you need to check in the room this rat come from?

A

Relative humidity, ringtail associated with RH of <20%

15
Q

Name that lump!

A

Mammary tumor

16
Q

Name that lump!

A

Zymbal gland tumor