The Rooster Farms 1-100 Round Cattle Number Ear Tag Set is perfect for signing small or larger size livestock, cattle and animals, such as pigs, sheep, goats, cows, rabbits, dogs and so on. You can easily and conveniently identify individual livestock in an instance using a numbered system. Also, it can be applied in breeding populations for epidemic prevention and control, meat quarantine, and all information needed for management of livestock.