Pig feed formulations for antibiotic-free production

In North America challenges remain regarding antibiotic-free production. In Canada, regulations are being eased to allow the use of some ingredients already available internationally. An update. Little is known about the long-term consequences of withdrawing prophylactic antibiotics from pig feed, according to Dr Diana Alessia of the Teagasc Animal and Grassland Research and Innovation Centre in Ireland. However, Dr Alessia and her colleagues recently found that the removal of these antibiotics