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ANSC 453: Animal Disease & their control > Pocket pets, Rabbits, & Rodents > Flashcards

Pocket pets, Rabbits, & Rodents Flashcards

1
Q

what kind of virus causes Rabbit Viral Hemorrhagic Disease (RVHD)?

A

Rabbit calicivirus

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2
Q

Does RVHD typically affect European rabbits or North American rabbits?

A

European rabbit

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3
Q

is RVHD is a reportable disease?

A

Foreign animal disease = reportable

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4
Q

what ages are most susceptible?

A

Older than 8 weeks

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5
Q

what are the main necropsy lesions of RVHD?

A
  • Massive liver necrosis
  • Enlarged spleen
  • Hemorrhages on lungs and surface of organs
  • Lesions
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6
Q

what is the pathogenesis of the disease RVHD?

A

Multiple thrombosis within vessels in the lungs caused by calicivirus

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7
Q

what bacteria causes “snuffles” in rabbits?

A

Pasteurellosis

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8
Q

PASTEURELLOSIS

is it caused by a gram-negative or gram-positive bacteria? Can you culture this bacteria?

A
  • gram-negative
  • yes
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9
Q

PASTEURELLOSIS

does it also causes atrophic rhinitis?

A

yes

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10
Q

what does torticollis mean?

A

Twisted neck “wry neck”

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11
Q

TORTICOLLIS

what other clinical signs can be seen?

A
  • Head tilt
  • Middle or inner ear infection
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12
Q

TORTICOLLIS

how significant would a nasal swab culture be in diagnosing this pathogen?

A

Insignificant

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13
Q

what bacteria causes Tyzzer’s Disease? Is it a gram negative or gram-positive? Is it aerobic or anaerobic?

A
  • Clostridium piliforme
  • Gram-positive
  • Anaerobic
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14
Q

Tyzzer’s Disease

is it a disease of older animals or younger animals?

A

younger animals

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15
Q

Tyzzer’s Disease

what three organs are typically involved?

A
  1. heart
  2. liver
  3. colon
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16
Q

Tyzzer’s disease

can you culture this bacteria?

A

yes

17
Q

Tyzzer’s disease

is it zoonotic/

A

no

18
Q

what kind of organism is Encephalitozoon cuniculi?

A

fungal

19
Q

Encephalitozoon cuniculi

what are the clinical signs are seen?

A
  • Head tilt
  • Neurologic disease
  • Renal signs
  • Ophthalmologic signs
20
Q

Encephalitozoon cuniculi

what microscopic lesions are seen?

A

Granulomatous inflammation in the brain and kidney

21
Q

Encephalitozoon cuniculi

is it zoonotic?

A

yes

22
Q

what is the ear mite in rabbits? Is it an insect?

A
  • Psoroptes cuniculi
  • Not insect
23
Q

Know two causes of torticollis in rabbits covered in these lectures.

A
  1. Scratching and shaking of the head
  2. Brown crusty discharge in the ear
24
Q

what is the fur mite in rabbits?

A

“Walking dandruff”
- Listophorus gibbus

25
Q

how do we treat mite infections in rabbits?

A

Rabbit-safe miticide (permethrin)

26
Q

why are rabbits anatomically predisposed to dental malocclusion?

A

They grow throughout life, may cause overgrowth

27
Q

how do we control dental malocclusion?

A
  • Dental trimming
  • Chew blocks
  • Adequate available nutrition
28
Q

what is the most common tumor in rabbits? How can we prevent it?

A

Uterine adenocarcinoma

prevention: spaying 4-9 months of age

29
Q

what is scurvy caused by?

A

vitamin C deficiency

30
Q

Vit. C deficiency

what animal do we see it in?

A
  • Humans
  • Guinea pigs
  • Birds and fish
31
Q

Vit. C deficiency

what is the pathogenesis?

A

Defective collagen synthesis results in weak blood vessels/hemorrhage and defective bone production

32
Q

Vit. C deficiency

how do we prevent it?

A
  • Daily administration of vitamin C
  • Food should provide 10mg of vit C daily
  • Commercial feeds with vit C
32
Q

Vit. C deficiency

how would you classify it in the DAMNIT-V scheme?

A

N- nutritional
I- immune-mediated

33
Q

what bacterium is a common cause of pneumonia in rats?

A

Mycoplasma pulmonis

34
Q

what is the most common tumor in rats? Is it malignant or benign?

A

Fibro-adenoma; benign tumor

35
Q

what is the cause of mouse mammary tumors?

A

The virus can be transmitted via milk or passed down in the form of the proviral DNA

ANSC 453: Animal Disease & their control (16 decks)

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