Yes there is a difference and if your brand consists of beef or poultry, you need to know. Richard Perlmutter, M.S. Abington Nutrition Services LLC. a contributing author gives you a clear and simple explanation. So don't try to sift through the FDA and USDA sites that can make your head spin.
If you are developing products that contain me you must read FDA vs. USDA... You Need to Know the Difference.