rodents Flashcards
(45 cards)
definition of rodent
mammals with single pair of continuously growing incisors on the upper and lower jaw
examples of rodents
mice, rats, hamsters, and gerbils
rodents are…
nocturnal
mice
small, busy rodents, long hairless tails
rats
large, intelligent rodents, long hairless tails
gerbils
desert adapted, short hairy tail
hamsters
stocky, loose skin, short tail, cheek pouches
rodents are unable to…
regurgitate
rats do not have a…
gallbladder
red porphyrin
red tinge around the eyes from harderian glands
rodents have extensive _____ tissue
mammary
gerbils and hamsters use ______ to mark territory
sebaceous glands
gap between incisors and cheek teeth
diastema
in case of malocclusion…
teeth trimming is necessary
hamsters cheek patches extend all the way to their…
scapula
hamsters can use their cheek pouches to…
move babies from one place to another
tail slip
rodents twists and tail will fall off as escape mechanism
rodents are _____ polyestrous and _____ ovulators
seasonally, spontaneous
when do rodents hit puberty
50 days
rodent gestation period
21-23 days
males have
os penis and retractable testicles
anogenital distance
space between anus and genitalia
wire bottom cages can cause
lameness
bedding
absorbent paper products, pine and ash wood shavings, NO CEDAR, corn cob (fungal growth)