Advances in Pig Welfare, Second Edition continues its complete coverage of the field with fully updated information and analysis of current issues in the key areas of pig welfare. It is a comprehensive review covering both recent developments and persistent welfare issues. The book has been expanded with 10 new chapters addressing the most relevant and significant issues in industry with a more global perspective. The book is divided into four sections, starting with an introduction (Part 1) to major topics in pig welfare, such as pigs' needs, including affective states and positive animal welfare. Part two provides an overview of production systems and reviews welfare hotspots and mitigation. Part three covers pig welfare management topics, such as pig-human interactions and precision livestock farming. Global perspectives on pig welfare, including economics, legislation, farmers attitudes and climate change, are covered in Part 4. Written by an international team of renowned researchers in the field, the book continues to be a useful resource for practicing vets involved in welfare assessment, welfare research scientists and students, and indeed, anyone with a professional interest in the welfare of pigs. Provides the most recent research findings related to pig welfare Includes factors that affect pig welfare, how to practically control these factors, and the impact that these factors have on animal health New chapters include topics on affective states, economics, sow longevity, environmental enrichment, climate change, farmer perspectives and precision livestock technologie