This activity will check students’ understanding of the swine ear-notching system of livestock identification. Credit @whiteoakffa and Sarah Nerswick

This lesson explores the swine industry:  locating major physical characteristics, describing common breeds, selection of superior animals, and contrasting production systems and marketing methods of swine and hogs.  Adapted from New Mexico Animal, Plant, and Science Lesson Plan Library.

This site shows the inexpensive and permanent ear-notching swine identification system, explaining significance of notch placement to create an individual identity number for each animal, and techniques for effective notching. Accessed 2022 from University of Nebraska–Lincoln Extension Publications.