A pdf . These labels must stay with the animal at all times. Additional information such as a researcher's animal identification number, or experimental information may also be written on those labels but must not obscure the CCM information. Dogs and cats are tattooed with their federal identification numbers. Pigs are ear-notched or tattooed.
Primates are tattooed.
Investigators may elect to identify rodents with receive eartags, ear punch, tattoo, toe clip, or transponder chip. Each animal room has an inventory sheet with records of additions and deletions from the animal population in the room. This is performed for per diem billing purposes only. All others species are individually counted. Room inventories are conducted weekly by the vivarium staff.