The amount of space required per pig was given little attention when pigs were reared on dirt lots or pasture. As confinement production developed, the amount of space needed per pig for optimal performance became an important planning-management considerations. Too few pigs per pen reduces the return on initial building investment. However, overcrowding may result in: tail biting or cannibalism, reduced gain, increase feed required per unit gain, gastric ulcers, and additive stress factors. This NebGuide discusses the space requirements needed to raise swine
