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Terms in this set (45)
Where do chinchillas come from?
Andes mountains of South America in Peru and Chile
What is the average lifespan of a chinchilla in captivity?
What animal is the chinchilla closely related to?
What are two distinctive features in the external anatomy of the chinchilla?
dense fur, locomotory apparatus
True or False: Chinchillas have very short front legs, kissing digit one, that are used for support and to hold food and their rear legs are very large, powerful, and designed for jumping.
How many incisors and molar-type teeth do adult chinchillas have and which teeth are open rooted and grow continuously?
4 incisors, 16 molars
grinding and cutting teeth are open
What is the most distinctive part of a chinchilla's mouth?
What is the longest portion of the small intestine in a chinchilla?
Do chinchillas possess a gallbladder?
Why can the pancreas in a chinchilla be difficult to locate?
has many lobes
What is the outside of each narrow nostril in a chinchilla called?
What is unique about the urethra in a female chinchilla?
terminates outside the vagina
What is unique about the testicles, scrotum, and penis in a male chinchilla?
testicles do not descend down into scrotum - no scrotum - penis is s-shaped
Do chinchillas have anal sacs/glands?
What age do chinchillas first go into heat?
3-4 months of age
What is the gestation period of a chinchilla?
How many young can chinchillas have per pregnancy?
How many litters can chinchillas have per year?
Are chinchillas born precocial?
How often will a female chinchilla return to heat if she does not conceive?
every 25-35 days
Do chinchillas tolerate heat or humidity well and what must their enclosure contain to make their living space as close to their natural environment as possible?
no - must be ample hiding places, multiple levels to jump
What types of bedding for chinchillas are suitable to use and what types are not recommended?
aspen shavings, newspaper, or recycled newspaper products
not recommended - pine and cedar shavings
Why is a "dust bath" important and how often should it be given?
helps keep the coat and skin healthy - given daily
True or False: Chinchillas are herbivorous and because their digestive tract is similar to that of the horse, they need large amounts of roughage.
Are chinchillas coprophagic and in captivity, what type of diet should they be offered?
yes - hay supplemented with good quality pelleted diet
If a chinchilla is given an inadequate amount of hay, the low amount of fiber may lead to what?
Can small amounts of fruits, veggies, seeds, and grains be offered to chinchillas as treats and how often should fresh water be made available?
yes - at all times
What is another term used for malocclusion in a chinchilla?
What are some clinical signs of malocclusion in a chinchilla and what are two causes of it?
drooling, pawing at mouth, weight loss, poor coat condition, anorexia, decrease in stool volume, constipation, soiled or wet fur around mouth, chin, and forefeet, and lethargy
-caused by hereditary factors, lack of objects to gnaw on
What is the leading cause of skin disorders in chinchillas?
What is a common way for a chinchilla to get dermatophytosis?
contaminated hay or bedding
Can chinchillas vomit and why is this of concern?
no - esophageal choke can result if animal ingests an object too large to swallow
How does a chinchilla suffering from bloat present and how is it treated?
distended and painful abdomen, dyspnea, reluctance to move
- exercise in mild cases to decompression by trans abdominal trocar
True or False: Hairballs are as common of a problem in chinchillas as they are in rabbits and is usually caused by excessive fur chewing in combination with low dietary fiber.
What can cause constipation in chinchillas, what are some clinical signs seen, and how is it treated?
diets of pelleted exclusively, low fiber diet
-signs: straining to defecate and fecal pellets that may be small hard, and some cases bloodstained
- treatment: slowly increasing the amount of fiber in diet by feeding a small amount of fresh vegetables or high-quality grass hay
What respiratory disease are chinchillas susceptible to and what are some clinical signs?
signs: depression, dyspnea, and nasal discharge
True or False: Chinchillas are very prone to hypothermia.
What aspects of a chinchillas behavior has made them popular as pets?
inquisitive personality, gentle nature, and rarely bit
Why are chinchillas difficult to handle and how should healthy chinchilla appear during physical exam?
very excitable and nervous - alert with bright eyes and twitching nose
Should chinchillas be scruffed for restraint and what is the appropriate method for chinchilla restraint?
no - base of tail and hind legs should be held gently with one hand while the other supports the chest and shoulders
What is "fur-slip"?
release of large portions of fur in areas where its being held
What is the average weight of a chinchilla and which are smaller in size; male or females?
1-2 lbs, males are smaller
What is the normal rectal temperature in a chinchilla?
What is the normal heart rate in a chinchilla?
What is the normal respiratory rate in chinchillas?
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