Chinchilla Flashcards
True or false: chinchillas are rodents
True
What is the continent of origin for the chinchilla?
South America
What common lab aniomal species are chinchillas closely related to?
Guinea pigs
The North American population of chinchillas has been bred since ___ (what year) from 13 individuals.
1923
What’s is the chinchillas primary use in research?
Auditory research, resistant to middle ea infections so pathogenesis, treatment, and prevention of otitis media is studied in this species.
Whta is the lifespan of a chinchilla?
10-20 years
True or false: Chinchillas do not have premolars
False; I 1/1, C 0/0, P 1/1, M 3/3
What is the estrous cycle length in chinchillas?
38 days
Chinchillas are seasonally polyestrous with a breeding season of when to when?
November to May
Gestation length for a chinchilla?
111 days
At what age should chinchillas be weaned?
6-8 weeks
Sexual maturity occurs at what age in chinchillas?
8 months
Sexing male chinchillas is differenent from mice and rats because…
Male chinchillas do not have a true external scrotum
Risk factors for bloat (gastric tympany) in chinchillas include …
Lactation
Hay rich in clover
Sudden diet change
Gastroenteritis
What bone is commonly fractured in the chinchilla?
Tibia, longer than femur and thin
