Since its establishment by USDA regulation in the mid-1980s, the Institutional Animal Care and Use Committee (IACUC) has evolved as the premier instrument of animal welfare oversight within research institutions in the United States. By addressing questions and problems that often confront institutions, The IACUC Handbook, Second Edition provides accurate, succinct answers. It features comprehensive updates for all pertinent federal laws, regulations, and policies. It also contains an expanded survey of IACUC practices from institutions around the nation. With accessible information, this new editionprovides a foundation for those attempting to understand and implement the many and varied responsibilities of these committees.