Ear tagging or notching allows you to identify your pigs by sight. Notching is easy to do and costs nothing. You can identify up to 121 pigs in this way. This method can be used to identify other animals, e.g. sheep and goats.
Need for Identify Animals
If you have a few pigs or other animals, identifying them is no problem. You will be able to identify them by sight and may well have given them a name. You will need some way to identify a large number of animals especially if you are going to keep records . There are many ways to identify animals including numbered collars, tattoos, and plastic tags. Notching the ear is easy and is the cheapest way.