Biggest or smallest mammalian order?
biggest
4 special teeth
2 upper/2lower chisel like incisors
- no canines
- molars
Cecum function
digest fiber
teeth need to be ___
worn down
youngs are ____
altricial
nocturnal
active at night (RATS)
Feed
Commercial pellets, fruits/veggies, human foods
housing
2 cubic feet per rat
- metal
bed: shavings
Disease ___ very common
Tumors
Sendai virus
Flu in rats, mice, …
SDA
Coronavirus
- swollen eyes, drain, lymph nodes
- IMMUNE SUPPRESS