Do pigs experience better welfare in smaller intensive units compared to larger ones?
The National pig association briefing from 2015 highlighted that large units most commonly house their pigs indoors, where large groups of pigs are housed together. This has an immediate impact on welfare, as individual pig behaviour or injury is more likely to go unnoticed. In this case, the ‘large unit’ is defined as a farm with 2,500 breeding sows and offspring, or potentially producing up to 1000 pigs for slaughter a week. The paper above also claims that larger units are