Total US spending on pet health products and services will grow 7.1 percent annually through 2011. Services such as veterinary care, lab testing and pet insurance will outpace products. Dietary supplements will be the fastest growing product as pet owners look for ways to improve the health and lengthen the lifespan of their companion animals. The study analyzes the $21 billion US pet health industry. It presents historical demand data for the years 1996, 2001 and 2006, and forecasts for 2011 and 2016 by service (e.g., veterinary care, testing laboratories, pet insurance); product (e.g., parasiticides, pharmaceuticals, prescription food, dietary supplements, vaccines, diagnostics); condition (e.g., skin conditions, heart disease, gastrointestinal); and animal. The study also considers market environment factors, details industry structure, evaluates company market share and profiles 00 major providers including Merial, Pfizer, Bayer, Novartis and Wyeth .