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Small Mammal 5
| Question | Answer |
|---|---|
| Rat reproduction | • Gestation: 21 days • Average litter size: 4-7 • Altricial |
| What are the common diseases in rats? | • Respiratory Infections • Prone to tumors (especially females) |
| What physical characteristics differ between the rat and the mouse? | • Tail length • Face shape • Ear size proprtionally • Rats have scaly hairless tails, mice have flexible tails |
| Which order(s) have incisors that never stop growing? | Rodentia and lagamorphs |
| Which species are prone to scurvy? | Guinea pigs |
| In which species is “fur-slip” a risk? | Chinchillas (sometimes) and gerbils |
| Which senses are good and which are bad in eulipotyphla? | •Excellent sense of smell that is assisted by their snouts, which may be long and flexible, or short and stout. •Terrific sense of hearing • Eyesight is usually poor |
| What do Eulipotyphla feed on? | Feed on insects and other small invertebrates such as spiders and worms. |
| Animal research used to help: | • Eradicate diseases: Polio, rabies, distemper • Nutrition studies • Surgical advancement: Transplants, replacements, repairs, and techniques • Drug development: Clinical drug studies • Federal/State product testing: Laws and regulation |
| What types of animals make up 95% of lab animals | Rats and mice |
| Other common lab animals | • Rabbits • Guinea pigs • Cats • Dogs • Hamsters • Primates • Sheep • And more... |
| Mice restraints | Base of the Tail • ONLY grasp at the base of the tail • “Stripping” Scruff hold • Grasp the scruff between the thumb and forefinger |
| Rat and mice restraints | Body hold • Place thumb under the rat’s mandible, to prevent biting • Support hindlimbs with opposite hand |
| Gerbil restraints | • Grasp one hand around the body places the fore and middle finger on either side of the gerbils head. • DO NOT grab by the tail. Doing so could break/kink the tail |
| What are the restraints that can be used on hamsters? | Minimal restraint and scruff hold |
| Guinea pig restraints | • Gently secure one hand around torso • Place thumb beneath the jaw • Second hand supports the hindquarters • Hindlimbs should be supported by opposite hand |
| Rabbit restraints | Scruff hold • Firmly hold by the scruff with other hand supporting the hindquarters Football hold • Tuck head under the handler’s arm • One arm holds scruff and supports back • Opposite arm supports hindquarters ‘kitty’ burrito |
| Chinchilla restraint | •Place one hand under body •Opposite hand gently grasps the base of the tail •“fur slip”- DO NOT scruff or handle roughly |
| Ferret restraints | Scruff Hold • Grasp around the neck and shoulders • Relaxes like a kitten • Hold with one hand under the shoulders with a thumb under the jaw • Opposite hand supports the animal's hindquarters. |
| Chinchilla laniger | Chinchilla |
| Cobby vs. Racy | Cobby= Chiller thicker build rabbits Racey= Lean and active rabbits |
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