Most of the 100 million pigs killed in the U.S. for their flesh each year spend their lives in cramped metal pens inside filthy sheds—they don't live fairytale lives like Babe or Wilbur. Mother pigs are intensively confined and forcibly impregnated, then confined to a gestation crate—a metal crate so small that she can't even turn around or lie down comfortably—for their entire adult lives.

At least one industry player has agreed to begin phasing out use of gestation crating in favor of less cruel practices.  Story