The USDA mandated veterinary feed directive (VFD) goes into effect Jan. 1, 2017, and will require cattle producers to work with their veterinarian before administering antibiotics via feed. Newcastle, Okla., veterinarian Dr. L D Barker says a VFD is just a small part of the veterinary-client-patient relationship, which is essential to the overall health and productivity of a herd. Listen to Dr. Barker talk more about the benefits of developing a strong veterinary-client-patient relationship during the latest Oklahoma Farm Report Beef Buzz…