Sampling size for animal welfare audits; how many pigs is enough?

Pig welfare is of growing concern for swine producers across the planet. Various systems have been put in place to assess that welfare standards do in fact get applied on-farm. Yet how are the assessment systems assessed? Health and welfare expert Prof Monique Pairis-Garcia shares her views. In the last decade, consumers have demanded greater transparency with how animals are kept and managed on farms to ensure the products in which they are consuming are sourced from verifiable companies in