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Lab animal > Diseases of Mice and Rats > Flashcards

Diseases of Mice and Rats Flashcards

1
Q

Flea infestations are a common problem in mice and rats

A

false

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2
Q

rats and mice are primarily nocturnal animals

A

true

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3
Q

fighting is more common in mice than in rats

A

false

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4
Q

which viral disease of mice and rats is zoonotic

A

Sialodacryoadenitis

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5
Q

Which ectoparasites can affect mice and rats?

A

lice, mites, and fleas

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6
Q

It should be recommended to owners to bring their rodents into the vet clinic in what and why?

A

Their own cage because it allows examination of housing or care-related concerns

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7
Q

what 2 problems predispose animals to Tyzzer’s disease?

A

Poor sanitation and overcrowding

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8
Q

What are clinical signs of Tyzzers disease?

A

diarrhea and anorexia

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9
Q

What is the common, chronic bacterial infection that presents the greatest negative impact on scientific studies?

A

Murine Respiratory Mycoplasmosis

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10
Q

What often occurs with infections of murine respiratory mycoplasmosis and affected animals often have a head tilt?

A

dyspnea

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11
Q

Which bacterial infection can colonze in automatic watering systems if they are not flushed properly

A

Pasterellosis

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12
Q

Leptospira is a zoonotic bacterial infection that is spread through infected

A

urine

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13
Q

Bordatella bronchiseptica is a common inhabitant in the respiratory system of what animal?

A

Rats

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14
Q

Rats rarely develop clinical signs of bordatella bronchiseptica, but they act as what?

A

carriers

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15
Q

Pseudotuberculosis is a bacterial disease caused by what?

A

Corynebacterium Kutscheri

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16
Q

what is the most significant viral infection of rats?

A

Sialodacryoadenitis

17
Q

What is the incubation period for Sialodacryoadenitis and how long should affected animals isolate for?

A

Incubation period is 2 days and infected animals should isolate for 6-8 weeks.

18
Q

What is the primary causative agent of the viral respiratory disease in mice

A

Bordatella bronchiseptica

19
Q

mouse hepatitis virus is what kind of common virus that is highly contagious and widespread?

A

coronavirus

20
Q

Hepatozoon muris and Babesia muris are examples of

A

blood parasites

21
Q

Spontaneous tumor development in rats and mice can be as high as what percent in animals older than 2 years

A

87%

22
Q

What tumors are common in random-bred mice

A

Pulmonary tumors

23
Q

What are the 3 types of neoplasia viruses?

A

mouse mammary tumor virus, mouse leukemia virus, and mouse sarcoma virus.

24
Q

what virus is common in inbred mice?

A

neoplasia viruses

25
Q

What is the most common tumor in rats that can occur almost anywhere on the body and are typically benign

A

mammary fibroadenoma

26
Q

Age related diseases in mice and rats vary widely with the different stocks and strains. What plays a significant role in life span?

A

environmental factors

27
Q

most commercial rodent feeds are considered quality feed for mice and rats. These products should typically be used when?

A

6 months of the milling date

28
Q

what disease is prevalent in rodents that are kept in a low humidity environment.

A

Ringtail

29
Q

How can you prevent ringtail?

A

housing rats in an evironmental humidity of 50% or greater

30
Q

what can easily occur if mice and rats are given a soft diet and/or not privided with appropriate chew toys?

A

malocclusion

31
Q

What is the mycotic disease of mice and rats and what are the clinical signs

A

Trichophyton Mentagrophytes: crusty lesions and alopecia

32
Q

what are the bacterial disease and their causative agents

A

Tyzzer’s disease: clostridium piliforme
Murine Respiratory Mycoplasmosis: mycoplasma pulmonic
Pasturellosis: Pasturella pneumotropica
Streptococcosis: stretococcus pneumoniae
Streptobacillosis: Streptobacillus monillformis
Leptospira
Pseudomonas spp
Bordatella bronchiseptica
Corynebacterium Kutscheri

33
Q

How are blood parasites typically spread?

A

bite from a extoparasite

34
Q

what are the 5 major husbandry related diseases that can be found in mice and rats?

A

staphylococcus aureus, barbering, nutritional disease, ringtail, and malocclusion

35
Q

Most fighting in ratrs occurs at night, if they were to happen where would we see evidence of this?

A

bite and scratch wounds over the head, perineum, and lumbosacral skin which become infected.

36
Q

What are the characteristic signs of barbering in mice and rats, and how is it treated

A

Alopecia in absence of pruritis, chewing hair of cagemates. Treated by removing animal with no hair loss

37
Q

why should rats and mice not be fed fresh vegetables

A

the vegetables could be contaminated with salmonella, yersinia, or bacillus piliformis

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