What is the lifespan of a chinchilla?
What is the TPR of a chinchilla?
T 100.5-103, P 200-350, R 45-80
Describe dentition of chincillas.
open rooted teeth that grow continuously. yellow incisors. dental formula 1/1, 0/0,1/1, 3/3
What is the estrus cycle, gestation period and litter size of chinchillas?
estrous cycle 30-50 days, seasonally polyestrus in Nov - May, gestation period 105-115 days, litter size average 2.
Describe optimal environment for chinchillas.
wood housing with mesh wire and pine bedding (NOT cedar, it's toxic). Dust box allowed to roll in 1-2 times weekly for 10-15 minutes. Need cool temperature, over 82 degrees may result in heat stroke.
What is the diet for chinchillas?
commercial pellets supplemented with timothy hay is adequate.
Which species may display "fur slip" to get away during restraint?
What are the unique features of a chinchilla's GIT and what is the GI transit time?
smaller cecal capacity that guinea pigs but still holds up to 23% large intestinal contents. Cecotrophy is performed but more during the day because they feed at night. GI transit time 12-15 hours.
What are the signs of dental disease in the chinchilla?
epiphora, hypersalivation. Confirm with radiographs.
What predisposes chinchillas to esophageal choke?
if fed excessive amounts of treats (raisins, nuts,. fruits), also seen in postparturient females consuming placenta.
What are the causes of gut stasis in the chinchilla?
bloat (sudden food changes), impactions (trichobezoars), intussusceptions, bacterial overgrowth, constipation (low fiber diet), endotoxemia
How is gut stasis treated in the chinchilla?
fluid therapy, motility enhancers (cisapride or metoclopramide), analgesics (carprofen or meloxicam), antimicrobials if needed (fluoroquinalones, TMS, metronidazole, chloramphenicol, aminoglycosides)
Why are chinchillas considered excellent models for haemophilus influenza infections and vestibular ear diseases in humans?
they possess a large tympanic bulla
What is a palatial ostium and which species have it? What is the clinical relevance?
palatial ostium is a bone in the soft palate, guinea pigs and chinchillas have them. It makes ET intubation very difficult.
Resp infections in chinchillas are commonly a result of which organisms?
Strep, Pseudomonas aeruginosa, Pasteurella and Bordetella
What is a fur ring and which species does it affect?
fur around base of penis forms contriction, clinical signs of stranguria, excessive grooming, lethargy, paraphimosis and inflammation of penis. Happens with the chinchilla. Treat by applying 50% dextrose to decrease swelling and lubrication may be needed to replace penis.
How do chinchillas get Listeriosis, what clinical signs does it cause?
get it from eating molding hay or silage. see non specific GI or CNS signs. This usually results in death because it happens so fast. Can try abx.
How does a chinchilla get larval migrans?
mainly from eating hay contaminated with raccoon feces. Causes CNS signs, grave prognosis.