I nvited R eview : Designing a grazing experiment that can reliably detect meaningful differences 1 1This review article is based on a presentation by the authors in the symposium “Design, Analysis, and Execution of Quality Grazing Research” at the meeting of the American Society of Animal Science Southern Section, February 1, 2015, Atlanta, Georgia, in conjunction with the SERA-41 Beef Cattle Forage Utilization Group and the South Central Chapter of the American Registry of Professional Animal Scientists. Appreciation is expressed to the symposium sponsors: The Samuel Roberts Noble Foundation, Elanco Animal Health—Stocker District, Vigortone, and Barenbrug USA. Publication of this manuscript was sponsored by Elanco Animal Health—Stocker District.