3. Gilt Anatomy

5. Estrous Cycle

6. "Back-Pressure Test"

7. *Red, swollen vulva which is usually more pronounced in gilts than in sows. * Increased nervous activity * Desire to seek boar Secondary Signs of Estrus

8. * Change in vocalization (grunts and growls). *Increase in vaginal mucous (thumb check) * Loss of appetite

9. Boar Anatomy

10. Breeding * Breeding naturally (with boar) * Artificial Insemination * Combination of both

12. Embryonic Position in the Uterine Horns

13. Embryonic Survival

14. Gestation * 114 Days…or commonly… 3 months… 3 weeks… 3 days.

15. Farrowing

16. After Birth: * Needle teeth are clipped * Ears are notched * Injected with iron shot * Tail docked

17. Clipping of Needle Teeth

18. http://www.ansc.purdue.edu/swine Credits World Book Encyclopedia 2002 (Computer Software) http://www.aps.uoguelph.ca/