Marjan van der HaarMarjan van der Haar, Ph.D., is a market development specialist for Thermo Fisher Scientific.From the AuthorHomeManaging livestock antibiotic resistance with diagnosticsIn recent years, the broad-spectrum approach to antibiotic use has put pressure on the economics of animal production. The result is stronger regulation of first-line antibiotics usage to ensure their ability to control infections or cure a disease.Page 1 of 1