Pig (Sus scrofa domesticus)
Pig (Sus scrofa domesticus) is a livestock animal which is efficient in feed conversion, rapid growth rate, and high reproductive potential.

Common Terms used for Pigs
- Farrowing: The act of giving birth to a young one.
- Boar: An adult uncastrated male pig used for breeding.
- Sow: An adult female pig used for breeding.
- Stag or Hog or barrow: A castrated male pig.
- Gilt: A young female pig kept for breeding.
- Open Gilt: A young female pig which has not been served
- Closed Gilt: A Young female pig which has become pregnant.
- Store Pig: Pigs between weaning and fattening usually between 8 and about 15 weeks old.
- Runt or cad or crit or critling: The last young one farrowed in a litter. It is usually small.
Breeds of Pigs
Following list consist some of important breeds of pigs for meat production:
- Large White
- Landrace
- Duroc
- Hampshire
- Berkshire
- Pietrain
- Tamworth
- Chester White
- Yorkshire
- Meishan