Hamster and Gerbils

Question 1

Who has thick compact bodies, short tails, loose skin, and large cheek pouches

Answer 1

Hamsters

Question 2

Chinese, syrian, dwarf and american are all breeds of what animal?

Answer 2

hamsters

Question 3

Are Females or males larger in hamsters?

Answer 3

Females

Question 4

Life span of a hamster?

Answer 4

2-3 yrs

Question 5

How do hamsters thermoregulate?

Answer 5

Dissipate heat through ears and tails

Question 6

Dental Formula of a hamster?

Answer 6

2 (I (1/1) & M(3/3)) =16

Question 7

Tell me about the cheek pouches hamsters have

Answer 7

High vascular

Aglandular

Immunologically privileged

Question 8

Who has a stomach that has glandular and aglandular stomachs?

Answer 8

Hamsters

Question 9

What is unique about the nonglandular stomach of a hamster?

Answer 9

High pH
Fermentation
Seperated by a muscular sphincter

Question 10

What is unique about the cecum of a hamster?

Answer 10

Semilunar valve seperates cecum into 2 halves

Question 11

Who has flank glands?

Answer 11

Hamsters

Question 12

What are flank glands?

Answer 12

Sebaceous glands used for terrtorial marking

Question 13

Which sex are flank glands more prominant in?

Answer 13

Males

androgen responsive

Question 14

Do hamsters have a gall bladder?

Answer 14

Yes

Question 15

Which part of the adrenal gland is hypertrophied in hamsters?

Answer 15

Zona reticularis

Question 16

Do hamsters have 5 digits fore and 4 digits hind?

Answer 16

NO other way around

Question 17

What kind of placentation does a hamster have? Why is this important

can this happen in gerbils?

Answer 17

Hemochorial-maternal and fetal blood interact.

The fetus could cause trophoblast embolism in dam during pregnancy to 3 weeks post partum through arterial circulation

CAN happen in gerbils

Question 18

How do you sex a hamsters?

Answer 18

Anogenital distance

Posterior scrotum in male

Nipples present in females

Question 19

When can you breed hamsters?

Answer 19

after they reach 90-100g

Question 20

What marks end of ovulation in hamsters?

Answer 20

postovulatory discharge

Question 21

When can you successfully mate hamsters?

Answer 21

3rd day after postovulatory discharge is observed

Question 22

When does the estrous cycle resume following parturition in hamsters? and whats important to remember about that first one?

Answer 22

1-8 following parturition

the first estrus is usually anovulatory

Question 23

Which spp has litter abandonment and cannibalism? When is it common? What can you do about this

Answer 23

Hamsters

1st pregnancy, 1st week

you DO NOT DISTURB THEM and seperate at weaning

Question 24

When can you wean a hamster pup?

Answer 24

21-28 days

Question 25

Are hamsters pups altricial?

Answer 25

Yes

Question 26

What is to be noted about hamster behavior?

Answer 26

Solitary Nocturnal aggressive Hibernate below 5C

Question 27

Do hamsters need multilevel enclosures?

Answer 27

No!

Question 28

Do hamsters need a running ball?

Answer 28

Yes

Question 29

What is important to remember about hamster nutrition?

Answer 29

They have a low protein requirement. 14-17%. so if you buy commercially pelleted diets, just make sure they aren't too high in protein

Question 30

How long do gerbils live for?

Answer 30

2-5 years

Question 31

How big are gerbils?

Answer 31

60gm males | 50-55gm females

Question 32

Which spp has a low urine volume?

Answer 32

Gerbils

Question 33

Which spp has a normal blood hematology that looks like a reg anemia?

Answer 33

Gerbils

Question 34

Gerbils or Hamsters have unusually large thymus?

Answer 34

Gerbils

Question 35

Does the thymus involute with age in gerbils?

Answer 35

NO-persists

Question 36

What spp is used in research for strokes, and why?

Answer 36

Gerbils They have an incomplete circle of willis

Question 37

Which part of the anatomy of a gerbil to you expect to be larger than normal??

Answer 37

Thymus and Adrenal gland Water conservation!!!

Question 38

Which zone of the adrenal gland do you expect to be larger?

Answer 38

Zona golmerulosa---ADH, water conservation

Question 39

Is it normal for a gerbil to have concentrated urine AND dry feces?

Answer 39

Yes!

Question 40

What gland is unique to the gerbil?

Answer 40

Ventral sebaceous gland

Question 41

You're looking at the ventroabdomen of a gerbil and you see an orange streak down the middle, whats going on?

Answer 41

Ventral sebaceous gland. its larger in males and its used for territorial marking. becomes orange at puberty

Question 42

Whats a big difference between hamsters and gerbils with reproductive biology?

Answer 42

Hamsters are cannibals, so you need to seperate them Gerbils bond at 10-12 weeks and can leave the males in

Question 43

What kind of cage do you want to get a gerbil?

Answer 43

One with multilevels bc they love to burrow. they are noisy and like to gnaw

Question 44

What kind of nutrition does a gerbil need?

Answer 44

They have a higher requirement for protein 20%

Question 45

What do you need to add to a gerbils cage for enrichment?

Answer 45

SAND!! sand bathing is an important gerbil behavior

Question 46

How do you restrain a hamster vs a gerbil?

Answer 46

Hamsters you need to "scruff" body Gerbils you can grasp at the BASE of the tail and then scruff neck

Question 47

Where can you collect blood from?

Answer 47

Lateral saphenous Retro-orbital sinus Jugular Cardiac puncture