Ear tag for animals has removable strip attached to one of its sections which carries patch of absorbent material on one end, blood flowing on to this when e ear is pierced and strip being removed for DNA analysis

摘要

The ear tag for animals has a removable strip (7) attached to one of its sections. This carries a patch of absorbent material (9) on one end. When the ear is pierced blood flows on to this and the strip can be removed for DNA analysis.