Ads ran last year from the pig farming industry showing pigs outside and laying on clean hay. The advertising campaign slogan was "Pigs are worth it". Recent raids by activists show this isn't the case.

"Activists from the welfare group Animal Aid entered 10 farms in March and April. Two of the farms were operated by companies run by members of the industry's governing body the British Pig Executive (BPEX), while others were linked to other senior figures in the industry."

http://www.independent.co.uk/life-style/food-and-drink/news/inquiry-into-pigs-at-british-farms-covered-in-excrement-and-sores-849200.html