MANAGEMENT

Detailed explanation-1: -Ear notches are read with the litter number (right ear) first followed by the individual identification number (left ear) read second.

Detailed explanation-2: -The litter mark ear is divided into five sections, and each section has a numerical value, either 1, 3, 9, 27, or 81 (Figure 2). Each section, except for 81, can have 1 or 2 notches only. Individual Pig Marks: The left ear is used for notches to show an individual pig’s number in the litter.

Detailed explanation-3: -The pig’s right ear is the Litter Ear (where the litter number is notched) and the pig’s left ear is the Individual Pig Ear (where the pig number within the litter is notched). Pigs within the same litter will all have the same litter number, but will have different pig numbers.

Detailed explanation-4: -Ear Notching (Figure 1) Ear notching is widely used in the swine industry as a system of animal identification. There are variations in systems, but all of them identify a pig by litter number and indi-vidual pig number.

Detailed explanation-5: -Recording the number of the pig Look at the notches on the right and the left ears then add up the number on each ear to give the number of the animal.