Part One Introduction 1 Pigs' needs and wants 2 Pain in pigs: Characterisation and indicators 3 Stress in pigs: History, assessment, and interpretation 4 Affective states and cognition in pigs 5 Positive welfare: What does it add to the debate over pig welfare? Part Two Pig welfare hotspots and mitigation 6 Overview of commercial pig production systems and their main welfare challenges 7 Mitigating hunger in pregnant sows 8 Sow longevity 9 Sow welfare in farrowing accommodation 10 Piglet mortality and morbidity: Inevitable or unacceptable? 11 Lifetime consequences of the early physical and social environment of piglets 12 Managing tail biting in pigs: Preventing risk factors or docking tails? 13 Gaining and maintaining interest: Recent advances in enrichment for pigs 14 Aggression in group-housed sows, weaners, and grower-finisher pigs 15 Transport of pigs to slaughter and associated handling 16 Slaughter of pigs Part Three Pig welfare management topics 17 On-farm and post-mortem health assessment 18 Pig-human interactions: Creating a positive perception of humans to ensure pig welfare 19 Breeding for pig welfare: Opportunities and challenges 20 Precision livestock farming and technology in pig husbandry 21 Pigs as laboratory animals Part Four Pig welfare from a global perspective 22 How much do people care about pig welfare, and how much will they pay for it? 23 Global developments in pig welfare: From legislation to market-driven change 24 The economics of pig welfare 000 25 Effects of climate change on pig welfare 26 Farmer attitudes towards pig welfare