By mouth, orally, or as is known in the medical field "p.o."
Yes the oral route for drug administration is the safest route.
Depends on the animal and the circumstances on why it is being used. IM and SQ most common.
The oral route of administration.
biovability of intral nasal route
Topical
yes
Usually used in connection with how a medication is given into the body, as the oral route, the intramuscular or intravenous route of administration.
Intravenous
buccal
route 66
per oral- which means oral route of administration.
Intravenous (IV)