Ear tag ear is tagged. Australian sheep and goats are required to have visually readable ear tags printed with a Property Identification Code (PIC). They are complemented by movement documents supplied by consignors that are used for identification and tracking. Very small ear tags are available for laboratory animals such as mice and rats. They are usually sold with a device that pierces the animal's ear and installs the tag at the same time. Lab animals can also be identified by other methods such as ear punching or marking (also used for livestock; see below), implanted RFID tags (mice are too small
Maine Eye and Ear Infirmary to be used for medical functions until 1980. It has since been converted to primarily residential use. Maine Eye and Ear Infirmary The Maine Eye and Ear Infirmary is a historic medical facility that was located at 794-800 Congress Street in Portland, Maine. Also known as Holt Hall, the structure, designed by John Calvin Stevens, was redeveloped into a residential building in 1997, after standing dormant for nearly 10 years. The Maine Eye and Ear Infirmary was built in 1891. In 1951 the hospital merged with the Children's Hospital and Maine General Hospital to become Maine Medical Center. The facility