Rodent And Hedgehog Flashcards Preview

RUSVM Special Species - FINAL > Rodent And Hedgehog > Flashcards

Flashcards in Rodent And Hedgehog Deck (61):
1

Rats, mice, and hamsters are

A. Myomorphs
B. Hystricomorphs
C. Scuiromorphs
D. Stewart Little

A myomorphs

I will also accept D. Stewart Little

2

What are murine rodents?

“Pocket pets”

Mice, rats, gerbils, hamsters

3

T/F: all the teeth of the rodents are open rooted?

False

Incisors are the ONLY open rooted teeth

Cheeks teeth have anatomical roots

4

How long is the life span of rodents?

2-3yrs

5

What is the species name for the rat?

Rattus norvegicus

6

You do a UA on your rat and have a proteinuria, you should inform your clients that the rat has what?

Nothing.

Proteinuria is normal in rat

7

T/F: like the horse, rats cannot vomit and have a divided stomach

True

8

What are the most common diseases of rats?

Pituitary tumors **
Mammary gland tumors **
Respiratory tract infection **

Chronic nephrosis
Skin issues

9

Ratatouille presents to you with neurological signs. What is your top differential?

A. Viral infection
B. Neoplastic
C. Ate too much soup
D. Chronic nephrosis
E. Otitis media

Neoplastic (Linked to gonadal hormones —> prolactinoma )

Otitis media

10

How would you treat a prolactinoma in your rat?

Prednisone and cabergoline

11

T/F: For any mass on a rat, mammary gland tumors should be your top differential

True

- very common disease and rats have mammary tissue everywhere ( except dorsal midline)

12

Mammary tumors in rat are usually fibroadenoma/adenocarcinoma ??

Fibroadenoma — locally aggressive

13

How do you treat mammary gland tumors ?

Surgical resection
Subcuticular sutures


Early OHE?

14

What approaches can you do for OHE in rats?

Abdominal approach

Flank approach

15

What approaches can yyou do for neuter in male rats

Abdominal approach
Scrotal approach

16

What are common respiratory tract pathogens of rats?

Sendai virus
Sialodacryoadentitis virus (aka SDA virus/ coronavirus)

Mycoplasma pulmonis
Streptococcus pneumoniae
Cilia- associated respiratory bacillus

17

You have an upper respiratory infection with red tears. What is this?

A. Sendai virus
B. Sialodacryoadentitis virus
C. Mycoplasma pulmonis
D. Streptococcus pneumoniae

B. Sialodacryoadenitis virus (SDA)

18

You have a rat with chronic pneumonia. What is the most likely cause?

A. Sendai virus
B. Sialodacryoadentitis virus (aka SDA virus/ coronavirus)
C. Mycoplasma pulmonis
D. Streptococcus pneumoniae

C. Mycoplasma pulmonis

19

Your client comes in with a rat that is “bleeding from its eyes”. What is this? And what is the most likely cause?

Chromodacryorrhea — porphyrin pigment in the tears which is normal

Excessive production can be associated with stress, URI, or improper diet

20

What is the treatment for respiratory disease in rats?

Long term antibiotic

Reduce stress

Proper ventilation

Tympanic bulla drainage

21

What antibiotics and supportive treatments can be used to treat respiratory infections caused by mycoplasma and strep ?

Enrofloxacin
Doxycycline
Azithromycin

Anti-inflammatories
Sildenafil : pulmonary hypertension

Can use pred to reduce scaring and fibrosis in some cases

22

What integument conditions appear in rats?

Fur mites

Dermatophytosis is rare

Seborrhea, greasy skin (males)

Abscesses: bite wounds

23

Ring tail in rats is associated with what causes?

Low humidity, overly absorbent bedding
Trauma?

24

What zoonotic disese can children and adults get from rodents?

Rat bite fever — streptobacillus monififormis

25

How do you treat a rat with stretobacillus moniliformis?

Parenteral penicillin

26

Lifespan of hamsters?

2yrs

27

What are characteristic specific to the hamster?

Cheek pouches

Redundant skin folds

Pigmented flank glands (scent glands)

Frequent estrus with discharge

Water-conserving kidney

28

How can you treat a cheek pouch eversion?

Suture into place through outside wall

29

Common diseases of hamsters?

Enteropathy
Cardiomyopathy
Respiratory disease
Skin problems
Tumors

30

Young hamster with diarrhea or “wet tail”. Can also have intussusceptions/ rectal prolapse? What is the EDx and MDx?

Lawsonia intracellularis

Proliferative ileitis

31

What parasite of hamsters causing enteropathy is zoontoic?

Hymenolepis nana

32

How do you treat hymenolepis nana?

Praziquantel

33

How should you treat a hamster with diarrhea?

Antibiotics
- TSM
-choramphenicol
-enrofloxacin
-metronidazole
AVOID b-lactams and macrolides

Anthelminics
-praziquantel

Fluid and supportive care

Prolapse surgery is rarely successful
Guarded prog

34

You have a hamster with conjunctivitis, rhinitis, and otitis.. what organisms are likely responsible?

Streptococcus
Pasturella

35

Cardiovascular diseases of hamsters?

Hereditary cardiomyopathy

Atrial thrombosis

CHF

36

What integumentary conditions are common in Syrian hamsters?

Alopecia
Ectoparasites
- demodex, cheyletiella

Abscesses
Tumors
-eptihelioptrophic lymphoma (Tcell or mycoses fungoides)

Cushings

37

Conditions of geriatric hamsters?

Amyloidosis

Hepatic cirrhosis

Polycystic liver tumor

Cardiovascular dz

38

Gerbrils species name is ??

A. Mesocricetus
B. Meriones
C. Cricetulus
D. Phodopus

B. Meriones unguiculatus

The rest are species of hamsters

39

When are gerbils active?

Diurnal and crepuscular (day to dusk)

40

Life span of gerbils ?

3-4yrs

41

Common conditions of gerbils?

Epileptiform siezures
Cutaneous neoplasms (melanoma)
Facial dermatitis
Acariasis
Tail trauma —> sloughing

42

Nasal dermatitis is usually related to?

Stress

43

What gland secretes porphyrins in gerbils and results in irritation and nasal dermatitis

Hardarian gland

Staphylococcus sp involved

44

T/F: mice are nocturnal

True

45

Life span of mice?

1.5 - 2 yrs

46

Common diseases of mice?

Dermatitis: mites, staph aureus

Abscessses

Neoplasia : mammary adenoCa

Respiratory infections: Mycoplasma pulmonis and Sendai virus

Self trauma

47

Where can you do venipuncture in small rodents?

Tail vein

Cranial vena cava ( must be under sedation)

48

T/F: 96F is a normal body temperature for a hedgehog

True

Range 95-99F

49

T/F: quills of hedgehog can drop and regrow

True

50

What time of day are hedgehogs active?

Dusk foragers

51

Diet of hedgehogs?

Insectivores: slug, worms, snails
(Insects only is a deficient diet)

Low fat dry cat food
Commercial diets
Chopped vegetables

Mealworms as treats

52

Lifespan of hedgehogs?

4-6yrs

53

Most common dietary disorders in hedgehog?

Obesity

Oral foreign body

Dental disease

Hepatic lipidosis

54

What is the gestation period of hedgehog?

30-35days

55

How do newly born hedgehogs appear?

Blind and deaf

Have soft quills

Wean at 6weeks

56

What is “anting” ?

Hedgehogs produce a frothy saliva and spread it on quills

Normal behaviour

57

T/F: you can scruff a hedgehog?

True

58

An oral mass in a hedgehog?

Oral squamous cell carcinoma

59

T/F: hedge hogs dont get mites because of their quills

False
Mites are very common

60

Common conditions of hedgehogs?

Neoplasia
Kidney dz
Wobbly syndrome
Cardiomyopathy
Acariasis (mites)

61

What is wobbly hedgehog syndrome?

Progressive neuropathy: demyelination
Degenerative spinal cord

Muscle weakness and ataxia

Average age 18-24months