1. Evaluate the pictures before you and determine the common link.

8. What do all of the pictures have in common?

9. IDENTIFICATION! How do you use identification in your everyday life? Why is identification important in your life? What identification systems are used in the agriculture industry? Why? More specifically, how is identification used in the animal agriculture?

10. Pig Identification - Necessary for accurate performance records.

11. Pigs can be marked with… - Ear notches - Ear tattoos - Ear tags

12. Ear Notching - Most practical method for swine farms Ear Tags - Useful for re-identifying breeding stock - Useful for re-identifying market show hogs (fair tags)

13. Electronic Identification, if it becomes cheaper, may be more widely used in the future.

14. Ear Notching Right Ear = Litter Ear Left Ear = Individual Ear Pig Number Read As… Litter Ear –Individual Ear

15. Quadrants Four quadrants per ear No more than two notches allowed in each quadrant Minimum: 1 notch on each ear Maximum: 9 notches on each ear

16. Pig 30-4 Right Ear = 27+3 Left Ear = 3+1 Pig 30-4

17. Guided Practice What is this pig number?