Kelling, Clayton L., Dale M. Grotelueschen, David R. Smith, and Bruce W. Brodersen. 2019. “Testing and Management Strategies for Effective Beef and Dairy Herd BVDV Biosecurity Programs”. The Bovine Practitioner 34 (1):13-22. https://doi.org/10.21423/bovine-vol34no1p13-22.