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Swine Reproduction!!!

Swine Reproduction!!!. Gilt Anatomy. Estrous Cycle. "Back-Pressure Test". Secondary Signs of Estrus. *Red, swollen vulva which is usually more pronounced in gilts than in sows. . * Increased nervous activity. * Desire to seek boar. * Change in vocalization (grunts and growls). .

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Swine Reproduction!!!

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  1. Swine Reproduction!!!

  2. Gilt Anatomy

  3. Estrous Cycle

  4. "Back-Pressure Test"

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

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

  7. Boar Anatomy

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

  9. Embryonic Position in the Uterine Horns

  10. Embryonic Survival

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

  12. Farrowing

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

  14. Clipping of Needle Teeth

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

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