1. Swine Reproduction!!!

2. Gilt Anatomy

4. Estrous Cycle

5. "Back-Pressure Test"

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

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

8. Boar Anatomy

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

11. Embryonic Position in the Uterine Horns

12. Embryonic Survival

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

14. Farrowing

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

16. Clipping of Needle Teeth

17. Credits http://www.ansc.purdue.edu/swine
World Book Encyclopedia 2002 (Computer Software)