Hamsters (LS) Flashcards
Which hamster has the lowest number of chromosomes of any mammal & is used to research cytogenetics?
(2N=22)
Chinese Hamster
What can seeds cause in hamsters?
Osteoporosis
Toe arrangement of Hamsters?
- Forelimb → 5
- Hindlimb→ 3
What percentage of RBC will be decreased by castration in hamsters?
25-30%
What is not a dz. of the immunocompetent hamster?
TQ
Tyzzer’s Dz.
(in immunocompromised only)
Lesions of Tyzzer’s Dz?
- Milk spots on the liver
- poor hair coat
- depression
- diarrhea
- death w/o signs
What is a very common dz. of hamsters?
TQ
Wet tail /Lawsonia intracellularis
(diarrhea)
Sequella of Wet Tail?
- obstruction
- intessusception
- rectal prolapse
Which Antibiotics can cause Dysbiosis in Hamsters?
(LOTS)
ins, illins & sins
TX for Dysbiosis in Hamsters?
Metronidazole
What agent carried by hamsters can be a zoonotic potential for children?
TQ
Bordetella bronchiseptica
4 Nutritional Dzs of Hamsters?
- Nutrional 2° Hyperparathyroidism
- Osteoporosis
- Bladder Stones
- Molar Carries → w/ candy
What is the most common cause of death in aged hamsters & has no TX?
TQ
Amyloidosis
Which RARE virus of YOUNG hamsters is zoonotic and can cause meningitis in children?
TQ
Lymphocytic choriomeningitis virus
(Arenavirus)
What should you tell the owner to do if you DX Lymphocytic choriomeningitis virus?
TQ
Throw away the deceased hamster’s enclosure
(“Tough nut” makes the virus highly resistant to disinfectants)
5 C.S. of Hamster Parvovirus
(2-4 wks)
- Dome shaped crania
- Potbelly
- Testicular atrophy
- Incisor discoloration, malformation & loss
- Decreased litter size → if a breeding female
What species of Pinworms do Hamsters get?
Syphacia mesocriceti
What species is zoonotic, infects hamsters & is called “dwarf tapeworm”?
When will you see C.S?
Hymenolepis nana
only when there is a heavy, heavy parastitic load
Tx of Hymenolepis nana?
Praziquantel
4 most common tumors in aged hamsters (> 2 yrs)?
- Endocrine
- Lymphoreticular
- Dermatologic
- Gastrointestinal
Which rodent get’s Cushing’s Dz?
Hamsters
What are the different forms of Lymphoma in adult & young hamsters?
- Adult → multicentric, cutaneous
- Young → epizootic
Are ovarian tumors in hamsters benign or malignant?
Benign
Uterine adenocarcinoma is common in
what species of hamster > 100 wks old (~2 yrs)?
(rare in others)
Chinese hamster
What is the most common skin tumor of hamsters?
Melanoma
Susceptibility of Dysbiosis in Gerbils vs. Hamsters?
Hamsters>>gerbils
How do you TX a Cheek Pouch Eversion?
Cheek pouch pexy!
(Don’t withhold food & leave sutures in for 10-14 d)
