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Exotics > Hamster and Gerbils > Flashcards

Hamster and Gerbils Flashcards

1
Q

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

A

Hamsters

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2
Q

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

A

hamsters

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3
Q

Are Females or males larger in hamsters?

A

Females

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4
Q

Life span of a hamster?

A

2-3 yrs

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5
Q

How do hamsters thermoregulate?

A

Dissipate heat through ears and tails

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6
Q

Dental Formula of a hamster?

A

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

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7
Q

Tell me about the cheek pouches hamsters have

A

High vascular

Aglandular

Immunologically privileged

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8
Q

Who has a stomach that has glandular and aglandular stomachs?

A

Hamsters

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9
Q

What is unique about the nonglandular stomach of a hamster?

A

High pH
Fermentation
Seperated by a muscular sphincter

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10
Q

What is unique about the cecum of a hamster?

A

Semilunar valve seperates cecum into 2 halves

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11
Q

Who has flank glands?

A

Hamsters

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12
Q

What are flank glands?

A

Sebaceous glands used for terrtorial marking

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13
Q

Which sex are flank glands more prominant in?

A

Males

androgen responsive

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14
Q

Do hamsters have a gall bladder?

A

Yes

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15
Q

Which part of the adrenal gland is hypertrophied in hamsters?

A

Zona reticularis

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16
Q

Do hamsters have 5 digits fore and 4 digits hind?

A

NO other way around

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17
Q

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

can this happen in gerbils?

A

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

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18
Q

How do you sex a hamsters?

A

Anogenital distance

Posterior scrotum in male

Nipples present in females

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19
Q

When can you breed hamsters?

A

after they reach 90-100g

20
Q

What marks end of ovulation in hamsters?

A

postovulatory discharge

21
Q

When can you successfully mate hamsters?

A

3rd day after postovulatory discharge is observed

22
Q

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

A

1-8 following parturition

the first estrus is usually anovulatory

23
Q

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

A

Hamsters

1st pregnancy, 1st week

you DO NOT DISTURB THEM and seperate at weaning

24
Q

When can you wean a hamster pup?

A

21-28 days

25
Q

Are hamsters pups altricial?

A

Yes

26
Q

What is to be noted about hamster behavior?

A

Solitary
Nocturnal
aggressive

Hibernate below 5C

27
Q

Do hamsters need multilevel enclosures?

A

No!

28
Q

Do hamsters need a running ball?

A

Yes

29
Q

What is important to remember about hamster nutrition?

A

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

30
Q

How long do gerbils live for?

A

2-5 years

31
Q

How big are gerbils?

A

60gm males

50-55gm females

32
Q

Which spp has a low urine volume?

A

Gerbils

33
Q

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

A

Gerbils

34
Q

Gerbils or Hamsters have unusually large thymus?

A

Gerbils

35
Q

Does the thymus involute with age in gerbils?

A

NO-persists

36
Q

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

A

Gerbils

They have an incomplete circle of willis

37
Q

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

A

Thymus and Adrenal gland

Water conservation!!!

38
Q

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

A

Zona golmerulosa—ADH, water conservation

39
Q

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

A

Yes!

40
Q

What gland is unique to the gerbil?

A

Ventral sebaceous gland

41
Q

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

A

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

42
Q

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

A

Hamsters are cannibals, so you need to seperate them

Gerbils bond at 10-12 weeks and can leave the males in

43
Q

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

A

One with multilevels bc they love to burrow.

they are noisy and like to gnaw

44
Q

What kind of nutrition does a gerbil need?

A

They have a higher requirement for protein 20%

45
Q

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

A

SAND!! sand bathing is an important gerbil behavior

46
Q

How do you restrain a hamster vs a gerbil?

A

Hamsters you need to “scruff” body

Gerbils you can grasp at the BASE of the tail and then scruff neck

47
Q

Where can you collect blood from?

A

Lateral saphenous
Retro-orbital sinus
Jugular
Cardiac puncture

Exotics (4 decks)

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