Animal health concerns are not new to agriculture. Animal health breakthroughs have been occurring with regularity. They represent an advancement in technology. Likewise, the need for evaluation of technologies is not new. While animal health represents an arena where some dramatic new discoveries are likely, approaches for their evaluation and effective implementation into American agriculture will likely Include standard tools now available. This would involve tools such as budgeting, cash flow analysis, systems simulation analysis, and welfare analysis to measure benefits from improved animal health or disease control.