09/06 Flashcards
Mus musculus is the scientific name for what species?
mouse
Mouse males have houw much larger spleens thatn females?
50%
How many left lung lobes do mice have?
1
How many right lung lobes do mice have?
4
How many mammary gland pairs do mice have?
5 pairs
How many mammary glands do mice have?
10
Can mice be territorial?
Yes
Are mice both polygamous and monogamous?
yes
Cannibalism of young will opccur in mice if litter is disturbed whtin how many days of birth?
2-3d
Large groups of females will go into what stage of the estrus cycle?
anestrus
What is the effect where female estrus cycles will synchronize after a male is introduced?
Whitten effect
What is the effect where a female will terminate her litter due to introduction of a strange male?
Bruce effect
Within how many hours of introduction of a male will the Whitten effect occur?
24-48h
How many grams of solid food per day should mice consume?
3-5g
What protein content do mice need?
more than 16%
What fat content do mice need?
4-5%
How many mL of water per day do mice need?
6-7mL
What should the room temperature for mice be?
64-79 F
What should the humidity for mice be?
30-70%
What light cycle should the mouse have?
12-12
How often must a mouse cage be changed?
1-3x/wk
By what section of the tail must a mouse be picked up?
1/3 closest to body
Do mice have an increased number of platelets?
Yes
What dilution is commonly used for anesthetics and medications in mice?
1:10
What gauge needle should bee used in mice?
29/28g
How many ML can a mouse be injected IM?
0.05mL
How many mL can a mouse be injected SQ?
1-3mL
What are the two most common surgeries in mice?
tail amputation
castration
How long should a mouse be on towel for recovery post sx?
48h
What are mice prone to post-sx?
hypothermia
What is another name for ring tail?
avascular necrosis
What occurs due to decreased humidity with high temperatures with mice?
ring tail/avascular necrosis
What percent of the tail must often be amputated in avascular necrosis?
20% or less
CRD
chronic respiratory disease
CRD in mice is caused by what?
Mycoplasma pulmonis
What is another namefor CRD?
murine respiratory mycoplasmosis
What is the common mammary tumor in mice?
Malignant mammary adenocarcinoma
LCM
Lymphocytic choriomenengitis
LCM is naturally found in what mice?
Wild
Is LCM zoonotic?
Yes
Is photophobia present in LCM?
Yes
What kind system of virus is the Sendai virus?
Respiratory
Sendai virus spreads in what mice?
Young
How is Sendai virus spread?
Respiratory secretions
MHV
Mouse hepatitis virus
What are the two clinical signs if MHV?
Diarrhea
Death
Is MHV contagious?
Yes
In what mice is MHV most contagious and common?
1-2 wks
MPV
Mouse parvovirus
What are the two clinical signs of MPV?
Diarrhea
Enteritis
What is the random mating among unrelated litters?
Outbred stock
What is the brother-to-sister or parent-to-offspring mating?
Inbred strain
In order to be considered a strain how many mating must occur?
More than 20
What is the first offspring from the mating of two different inbred strains?
F1
What is a a nous in which DNA is introduced to the developing embryo?
Transgenic
What is a facility surveillance program that checks the health if the animals housed in the rooms?
Sentinel program
