The identification method carried out on the part labelled Il is called ear_______

The identification method carried out on the part labelled Il is called ear notching. Ear notching is a method used to identify and keep track of animals, especially livestock. It involves cutting a small, distinctive shape out of the ear of an animal. This shape can be used to identify the animal and track its movements and history, making it easier to manage a herd or flock. The notches are usually made with a special tool and are permanent, so they can be used to identify the animal even if it changes hands or is lost and later found.