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Exotics > Guinea Pigs and Chinchillas An > Flashcards

Guinea Pigs and Chinchillas An Flashcards

1
Q

who are the cavia porcellus?

A

guinea pigs

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2
Q

What are the main breeds of guinea pigs?

A

America, Silkie, Abyssinian and peruvian

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3
Q

what breed of GP is most commonly used in lab?

A

Hartley

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4
Q

What is the LS of a GP

A

4-6

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5
Q

What is the MOST important thing to remember about having a GP

A

They require dietary vit C!!!!!

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6
Q

Can you auscult GP and Chins?

A

YES

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7
Q

You have a GP come in and you are doing a PE on it, you come to the base of the ear and you see some alopecia, what are you concerned with?

A

NOTHING, normal

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8
Q

What do GP have near their butts?

A

Supracaudal grease gland

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9
Q

What kind of glands to GP have all over their body?

A

Dermal sebaceous glands

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10
Q

whats abnormal about GP feet

A

4 fore digits and only 3 hind digits

overgrown nails are common!

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11
Q

Preparturient sows produce what? and what does it do?

A

Relaxin

degrades pubic ligament and allows passage of her pups!

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12
Q

What should you be able to feel in the last week of pregnancy?

A

The pubic symphysis that has progressed…should be aboue 1cm.

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13
Q

What happens to females if you don’t breed them by 6 mo of age?

A

Their pubic symphysis ossifies!

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14
Q

GP Dental formula

A

2 ( I 1/1 PM 1/1 M3/3)

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15
Q

What is different about the GP mouth?

A

Their dental formula

their incisors are white!

anisognathism

they have malocclusions which can cause their maxillary teeth to grow buccally, and their mandible teeth to grow lingually

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16
Q

Why is it difficult to pass an ET tube on a GP and chin?

A

Palat ostium

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17
Q

GP blood

A

Heterophils

Kurloff cellls

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18
Q

What are Kurloff cells and who do you see them in?

A

GP–pregnant sows

Mononuclear leukocytes

Estradiol dependent

Displaces nucleus, they contain secretory organelles

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19
Q

What do GP lungs look like?

A

4 R lobes

3 L lobes

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20
Q

Why is it hard to produce cardiac infarct on a GP

A

Well developed coronary colateral network

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21
Q

What is unique to the GP gastrointestinal system?

A

Monogastric-hindgut fermenters (G+ lactobacilli)-which means they have a large cecum.

Older boars can develop fecal impaction

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22
Q

Who has a vaginal closure membrane?

A

GP and Chins

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23
Q

What do the boars have?

A

Os penis

can produce copulatory plug

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24
Q

When can you palpate the fetus in a sow?

A

by day 15

Gest: 59-72 days

25
Q

How fast can you rebreed a sow?

A

Fertile post-partum estrus…2-10hrs

26
Q

How do the pups come out?

A

Precocious

27
Q

O hasn’t seen pups nurse in a few hrs postpartition

A

Normal! might not nurse for 24 hrs

28
Q

What is also normal of pups?

A

Voluntary micturition for 7-14 dats

29
Q

What are GP social behaviours?

A

Harems

Intolerant to change in their food/water.

Coprophagic

30
Q

What else do GP need in their diet?

A

HAY!!!

31
Q

What do you need to think about when setting up GP housing?

A

can become hyperthermic

messy

defecate in food and water containers so might want to elevate them

sipper tubes! check often

Can have open top cage if walls are higher than 10in

32
Q

Chinchilla lanigera

Chinchilla chinchilla

A

long tailed

short tailed

33
Q

LS for a chin?

A

10 YEARS

34
Q

Can you auscult a chin?

A

YES

35
Q

Chin Dental Formula

A

2 (I 1/1 PM 1/1 M 3/3)

36
Q

Are Chins anisognathism?

A

yes!

37
Q

What are Chin used for in lab testing and why?

A

Auditory tests

Large tympanic bullae

large ears

large infraorbital foramine

38
Q

Why are Chins unable to vomit?

A

Pyriformed shaped stomach

39
Q

How can you sex Chin?

A

its hard bc females have a prominent urogenital papilla that can be mistaken for a penis/prepuce.

40
Q

Do Chins or GP have a vaginal closure membrane?

A

BOTH do

41
Q

Whats different about the male Chins

A

Penis is like a cats-backwards facing spines

os penis

no true scrotum

no nipples

42
Q

What kind of estrous cycle does a GP have?

A

Seasonally polyestrous

43
Q

When can you palpate the Kits in Chins

A

60 days

Gest: 105-115

remember they live for a long time so you’ll have a longer gest

44
Q

Are kits precocious or altrocious?

A

Precocious

45
Q

Why don’t you want to give a Chin an enclosure without a solid bottom?

A

They are prone to get their feet stuck and there for tibial fractures, also pododermatitis like others

46
Q

Why can’t you give a chin a wooden cage, what other considerations might you want to tell O about

A

They can chew through wooden cages

They are jumpers…

and they need a place to hide

47
Q

What is important to remember about chins husbandry?

A

They have really thick fur, so they need to be in a color drier place.

They NEED dust baths!!!!!

48
Q

When would you not give a chin a dust bath?

A

Pregnant/dams with pups. remember their vaginal membrane will be open==UTI, mastitis, etc

49
Q

What else do Chins need for nutrition and to stay healthy

A

Something to gnaw on! but be careful with poisonous trees

50
Q

How do you hold a GP

A

Support entire body

51
Q

How do you hold a Chin

A

Support body and you can grasp at the base of the tail

52
Q

Why dont you want to try to catch a fleeing chin?

A

Fur Slip

53
Q

Where can you collect blood from a GP and a chin

A

GP: Nail bed, digital veins

GP/Chin: lateral saphenous vein, cephalic, femoral

If Anesth: Jugular, cranial vena cava

54
Q

What is normal in a GP in regards to blood work?

A

ALT is not a marker for hepatic injury

Hypercholesterolemia is common

Kurloff Cells

Urine pH is HIGH 9

55
Q

What is normal in regards to a UA in a chinchilla?

A

pH is 8.5

USG is high 1.045

56
Q

What do you need to remember about giving Ab to GP?

A

Dysbiosis

Penicillins
Cephalosporins
Lincosamides
Macrolides

57
Q

How do naked mole rats live?

A

in a Eusocial Colony

58
Q

How do NMR adapt to the temp?

A

They are thermoconformers

59
Q

How do you euth a NMR?

A

DO NOT USE CO2 ASPHYXIATION

they can hold their breath for almost 20 mins

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