This issue of Veterinary Clinics: Food Animal Practice, edited by Dr. Pamela Ruegg and Dr. Christina Petersson-Wolfe, focuses on Mastitis, with topics including: Methods for Diagnosing Mastitis; Implementing OFC in a Veterinary Practice; Antibiotic Usage for Mastitis; Impementing Effective Dry Cow; Mastitis and Animal Welfare; Genetic Selection for Mastitis Resistance; Teat Condition and Diseases; Maximizing Udder Health in a Robotic Milking System; Impact and Mitigation of Heat Stress for Mastitis Control; Optimizing Mastitis Records; Mastitis Immunology; and Communicating with Dairy Workers.