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Exotic Animal Nursing > mice and rats > Flashcards

mice and rats Flashcards

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0
Q

Why do labs use mice and rats?

A

Require less food/space, reproduce quickly and in large animals, many inbred strains with similar genetic characteristics

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1
Q

What percent of lab test animals mice and rats?

A

90%

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2
Q

What is the life span of mice and rats?

A

Mice: 1 1/2-3 years
Rats:2 1/2-3 1/2 years

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3
Q

What is the dental formula for mice and rats?

A

2( i1/1 c0/0 p0/0 m3/3)

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4
Q

How many pairs of mammary glands do mice and rats have?

A

Mice: 5 pairs
Rats: 6pairs

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5
Q

What are harderian glands?

A

Small gland found in medial canthus of eye that produces red tinged fluid

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6
Q

What is mice behavior like?

A

Social animals, make good pets. Fighting can occur against male mice

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7
Q

What is rat behavior like?

A

Clean, easy trained, can be mixed with no fighting

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8
Q

What temperature should mice and rats be kept at?

A

72F

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9
Q

What should the humidity level be for mice and rats?

A

40-70%

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10
Q

How much light do mice and rats need?

A

12hrs

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11
Q

What is coprophagic?

A

Eats feces

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12
Q

What type of eater is a mouse or rat?

A

Omnivore

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13
Q

What ID methods are used for lab mice and rats?

A

Cage cards, hair coat, ear knotch or punch, ear tag or stud, dye staining of fur, tattooing, microchips

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14
Q

What can confirm a pregnancy?

A

Copulatory plugs

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15
Q

What are copulatory plugs?

A

Waxy white to yellow material that plugs the vagina

16
Q

What are three common medical problems in rats?

A

Mammary gland tumors
Respiratory infections
Tail necrosis

17
Q

What are mammary gland tumors normally made of?

A

Normally benign firm subcutaneous circular masses

18
Q

How big are mammary gland tumors normally?

A

8-10cm in diameter

19
Q

What is mycoplasma pulmonis?

A

Caused by Sendai virus

20
Q

What are the clinical signs of mycoplasma pulmonis?

A

Nasal discharge, teeth chattering, wt. loss, ruffled hair coat, bunched posteur

21
Q

When are respiratory infections usually seen in rats?

A

When they are stressed

22
Q

What is tail necrosis?

A

Instituted blood supply to the tail

23
Q

What type and age of rats usually have tail necrosis?

A

Lab rats 7-15 days old

24
Q

What is associated with tail necrosis?

A

Decreased humidity and essential fatty acids in diet

Exotic Animal Nursing (12 decks)

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