Social & Preventive Medicine obstetrics,pediatrics and geriatrics 8c6daaec Cow's milk contains what % proteins - A 1.1 B 3.2 C 3.5 D 4.1 High-Yield Explanation Cow milk contain 3.2%of proteinREF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO - 582