1.Previous
3.Next

1967, there were one million pig farms in America; as of 2002, there were 114,000. In 1992, 28% of American pigs were raised on farms selling >5,000 pigs per year; as of 2022 this grew to 94.5%. From its American and West European heartland, intensive animal farming became globalized in the later years of the 20th century and is still expanding and replacing traditional practices of stock rearing in an increasing number of countries. In 1990 intensive animal farming accounted for 30% of world meat production and by 2005, this had risen to 40%.

1.Previous
3.Next