1. Ms. Skinner’s Principles of AFNR
Swine!
Ms. Skinner’s Principles of AFNR

2. Vocabulary
Barrow: a male swine castrated while young, in which physical traits of the boar have not developed.
Boar: a male swine that has not been castrated.
Copulation: the mating of a male and female.
Ear-notching: Notches made in pig ears to identify them.
Farrow: The act of giving birth in pigs.
Farrowing Crate: A special cage that holds sows and prevents her from harming her babies.

3. Vocabulary Feeder pig: a young pig, recently weaned. (25-55 pounds)
Gilt: a young female swine that has not farrowed and is not showing any signs of pregnancy.
Litter: group of piglets born at the same time by the same sow.
Market hog: pig being prepared for slaughter. About 5-6 months old and weights roughly 250 pounds.
Market weight: ideal weight for slaughter.
Multiple farrowing: arranging breeding programs so that groups of sows farrow at regular intervals throughout the year.

4. Vocabulary Parturition: the act of giving birth. Piglet: baby swine.
Porcine: Latin name for pigs.
Sow: an older female swine that has farrowed or is showing signs of pregnancy.

5. 4,900 BC

6. 1493

7. 1539

8. 1607

9. 1887

10. 1961

11. From the pig… Normal Unfamiliar Pork chops Pork roast Bacon Ham
Sausage
Hot dogs
Unfamiliar
Medicine
Heart valves
Insulin
Chalk
Fertilizers
Floor wax
Glass
Adhesives
Plastics
Shoes
Gum
Paint
Cosmetics

12. Yorkshire

13. Yorkshire History: Originated in England.
Characteristics: White, good meat production, good crossbreeder
Main Uses: Meat

14. Hampshire

15. Hampshire
History: Originated in Hampsire county in England- Known as "Old English Breed"
Characteristics: Black with white band, good meat production, good crossbreeder
Main Uses: Meat

16. Poland China

17. Poland China History: Started as a crossbreed.
Characteristics: “Spots,” good mothering pig, meat production, not good for crossing
Main Uses: Meat

18. Duroc

19. Duroc
History: Originated in the eastern United States in the Corn Belt.
Characteristics: Red, good mothering, meat production, not good for crosses
Main Uses: Meat

20. Chester White

21. Chester White
History: Originated in Chester County, Pennslyvania in the early 1800s.
Characteristics: White in color, Good meat production, floppy eared pig, slight crosses
Main Uses: Meat

22. Landrace

23. Landrace
History: Descendants of the famous Danish Landraces. Shipped to the US in 1934.
Characteristics: Longer body, roughly extra rib length
Main Uses: Meat