Here's why and how it happens:
* Identification: Ear notching is a way to permanently identify individual pigs. Each notch has a specific meaning, creating a unique combination that helps farmers track their animals.
* Record Keeping: Notches allow farmers to keep track of important information about each pig, such as its birthdate, breed, litter, and any health issues.
* Method: Notches are usually made with special pliers designed for this purpose. They are quick and relatively painless for the piglets.
It's important to note: Ear notching is a standard practice on many farms, but some people consider it a form of animal cruelty. There are alternative methods of identification, such as microchipping, that are becoming more common.