• Discusses the role of poor herd health management in the development of disorders and outbreaks of disease
• Highlights the impact of intensive pig production systems on animal behaviour
• Addresses the use of environmental enrichment as a means of mitigating aggressive behaviour in pigs, such as tail biting

Contributions by: Arlene Garcia and John J. McGlone, Texas Tech University, USA; Jonathan Amory, Writtle University College, UK; and Nina Wainwright, British Pig Executive (BPEX), UK; Luigi Faucitano, Agriculture and Agri-Food Canada, Canada; and Antonio Velarde, Institute of Agrifood Research and Technology, Spain; Edgar Garcia Manzanilla, Pig Development Department, Teagasc, The Irish Agriculture and Food Development Authority, Ireland