Rabbits

Question 1

Give the order and family to which rabbits belong

Answer 1

Lagomorph, Leporidae

Question 2

To what genus to hares belong?

Answer 2

Lepus

Question 3

What is the genus and species name for domesticated rabbit?

Answer 3

Oryctolagus cuniculus

Question 4

Where is the sacculus rotundus located?

Answer 4

ileocecal junction

Question 5

What is the functional attribute of the vermiform appendix and GALT in general

Answer 5

maturation of IgM+ B cells

Question 6

Which immunoglobulin are rabbits lacking compared to most other species

Answer 6

IgD

Question 7

The watanabe heritable hyperlipidemia rabbit is deficient in which cholesterol receptors?

Answer 7

LDL

Question 8

Where are the “peg” teeth located and what function do they serve

Answer 8

directly caudal to the maxillary incisors. used to bite and sheer

Question 9

how many canine teeth do rabbits have?

Answer 9

0

Question 10

Give some other common names used to describe cecotrophs?

Answer 10

soft pellets, night feces

consumed directly form anus, rich in Vit B etc, nutritional benefit

Question 11

What causes rabbit urine to be cloudy ?

Answer 11

high levels of ammonium magnesium phosphate and calcium carbonate precipitates

Question 12

Describe the anatomic difference in urethral orifice of male and female rabbits

Answer 12

Buck- round

Doe- slit-like

Question 13

T or F. The doe has a bicornuate uterus with a common cervix?

Answer 13

F. The uterus is bicornuate with two separate cervices

Question 14

T or F. The doe has a hemochorial placenta

Answer 14

T

Question 15

What is a pseudoeosinophil or heterophil in a rabbit

Answer 15

Normal neutrophil in a rabbit, it has characteristic red granules so it looks like an eosinophil.

Question 16

What is typical life span of a rabbit?

Answer 16

5-7 years

Question 17

Typical breeding age, puberty, for a rabbit is?

Answer 17

5-7months of age

Question 18

Does are induced ovulaters with ovulation occurring approximately how many hours post copulation?

Answer 18

10-13hr

Question 19

What is the typical gestation period of the rabbit?

Answer 19

30-32day (1 month)

Question 20

Pseudopregnancy is common in rabbits. T or F

Answer 20

T. Ovulation may be included by many different things and a retained corpus luteum will maintain progesterone levels for 15-17 days, giving the appearance of pregnancy

Question 21

What is the common term for parturition in rabbits?

Answer 21

kindling

Question 22

What is the AWA requirement for space(floor and height)to house a rabbit that 2-4kg?

Answer 22

3.0sqft of floor space and 14inches height

Question 23

What are common methods to control pasteurellosis in rabbitries?

Answer 23

• test and cull
• c-section rederivation
• enrofloxacin treatment

Question 24

What is the etiologic agent of Tyzzers disease in rabbits?

Answer 24

Clostridium piliforme

Question 25

Serologic screening can be used for definitive diagnosis of C. piliforme. T or F

Answer 25

F. Not sufficient for definitive diagnosis but a useful screening tool to keep potential carriers or infected animals out of colony

Question 26

What is the etiologic agent for the disease known as iota enterotoxemia

Answer 26

Clostridium spiroforme (helically coiled clostridium)

Question 27

What is the "gold standard" test for diagnosis of C. difficile?

Answer 27

cytotoxin assay for C difficile toxin B

Question 28

What protein does the eae gene of EPEC encode? It is involved with the induction, attaching and effacing lesions in the intestine.

Answer 28

intimin

Question 29

What is the cause of rabbit syphilis (vent disease, cuniculosis)

Answer 29

Treponema paraluiscuniculi

Question 30

What are the clinical signs associated with Treponema paraluiscuniculi?

Answer 30

Erythematous macules/papules, erosions, crusts or ulcers on the vulva or prepuce (or anus, face, mouth nose)

Question 31

To what viral family does the etiologic agent of myxomatosis belong?

Answer 31

Poxviridae, leporipoxvirus

Question 32

What are the typical lesions present with myxomatosis?

Answer 32

edema around the face and genitals, mucinous skin lesions and tumors

Question 33

How is myxoma virus transmitted?

Answer 33

arthropod vectors (fleas mosquitos) and directly

Question 34

How is myxoma virus diagnosed

Answer 34

PCR, serology, culture of virus from affected tissues

Question 35

What other antigentically related (to myxoma virus) leporipoxvirus caused fibromatosis in rabbits

Answer 35

Rabbit (Shope) fibroma virus

Question 36

T or F. Rotavirus (a member of the reovirus family) is common in domestic rabbits.

Answer 36

T. Should be include on diff dx of diarrhea in rabbits

Question 37

To what genus does the etiologic agent of Rabbit Hemorrhagic Disease belong

Answer 37

Genus- Lagovirus Calicivirus Rabbit Hemorraghic fever virus

Question 38

What is the common pathology and cause of death associated with Rabbit Hemorrhagic Fever?

Answer 38

Periportal hepatic necrosis | Generally die of DIC (usually sudden death without clinical signs, but could see anorexia, depression, epistaxis

Question 39

What is the etiologic agent of hepatic coccidiosis in rabbits

Answer 39

Eimeria stiedae

Question 40

What are common clinical signs of infection with eimeria stiedae in rabbits

Answer 40

hepatomegaly | grossly- liver is enlarged with multifocal yellow/white lesions of varying size

Question 41

How can Eimeria stiedea be diagnosed in live rabbit

Answer 41

fecal exam (float or concentration)

Question 42

T or F. Encephalitazoon cuniculi infection can include signs of renal failure as well as motor paralysis.

Answer 42

T. Though the disease is usually latent, but can show signs of motor paralysis, convulsions, tremors, torticolis, coma and kidney failure

Question 43

What is the common route of transmission of encephalitazoon cuniculi?

Answer 43

horizontal by direct contact or environmental contamination (ingestion of infected urine)

Question 44

Typical pathologic lesions of E. cuniculi include:

Answer 44

granulomatous encephalitis, multiple white pinpoint lesions on the kidneys, organisms floating free in the tubules of the kidneys

Question 45

T or F. E. cuniculi is really detectable in tissues using H and E stain

Answer 45

F. It does not stain well with H and E. Better to use Giemsa, Gram or Goodpastures

Question 46

Give the genus and species name of the rabbit pinworm

Answer 46

Passalurus ambiguus

Question 47

Name 2 media that would be suitable for culturing Microsporum canis from crusting skin lesions on a rabbit

Answer 47

Sabouraud dextrose or DTM (dermatophyte test media)

Question 48

What cells are targeted by the funds Pneumoncystis oryctolagi

Answer 48

The organisms attach to Type 1 epithelial alveolar cells

Question 49

Trichobezoar has been reported as an incidental finding at necropsy in what percentage of rabbits

Answer 49

21%

Question 50

What is the most frequent site of traumatic veterbral fracture in a rabbit, most commonly induced by struggling during restraint.

Answer 50

7th Lumbar vertebrae (L7), caudal articular processes

Question 51

What rabbit strain was used to sequence and publish the entire rabbit genome in 2004?

Answer 51

Thorbecke (partially inbred, obtained from Covance)

Question 52

What are 2 possible causes of hydrocephalous in a rabbit?

Answer 52

- inherited (single autosomal recessive gene hy/hy | - hypovitaminosis A in pregnant does

Question 53

Name the species of rabbit and type of inheritance for buphthalmia.

Answer 53

Common in NZW, autosomal recessive with incomplete penetrance. bu/bu newborns usually have normal intraocular pressures at birth by demonstrate elevated IOP at 1-3months. Disease accompanied by many physiological and structural changes (corneal edema, vaculariiry, thickening of Descmets membrane, etc)

Question 54

T or F. The primary defect in inherited mandibular prognathism in rabbits is a shortened maxilla

Answer 54

T. The maxilla is short compared to a normal length mandible. Main clinical concern is malocclusion requiring identification and constant trimming of teeth

Question 55

What is the most common age and leg affected in rabbits with splay leg

Answer 55

kits 3-4 weeks old, right rear

Question 56

What enzyme/gene allows rabbits to consume diets containing belladonna compounds?

Answer 56

Atropine esterase produced by the gene Est-2F. Rabbits will inactive atropine administered for therapeutic purposes.

Question 57

What effect does Complement 6 (C6) deficiency have on atherosclerosis in rabbits

Answer 57

protects agains diet induced atherosclerosis

Question 58

T or F. C8 alpha-gamma deficiency is always associated with dwarfism?

Answer 58

T

Question 59

What are the key characteristics of the Watanabe-heritable hyperlipidemic rabbit (WHHL)?

Answer 59

aortic atherosclerosis by 5 months of age, xanthomas to digital joints, elevation serum cholesterol and beta-lipoprotein

Question 60

What is the most common tumor in aged female rabbits

Answer 60

endometrial (uterine) adenocarcinoma, malignant often metastasizing to liver lungs etc