When wearing pig ear tags: The ear tag should be placed in the middle of the ear or a thicker part If an electronic ear tag is worn, the part of the secondary tag containing the electronic coil should be placed inside the ear tag

When wearing a cow ear tag: The ear tag should be placed between the two cartilages relatively close to the bull's head If an electronic ear tag is worn, the part of the secondary tag containing the electronic coil should be placed inside the ear tag

When wearing a sheep ear tag: The ear tag should be placed between the two cartilages close to the sheep's head If an electronic ear tag is worn, the part of the secondary tag containing the electronic coil should be placed inside the ear tag