Controlling horn flies in cattle: Is garlic the answer?

Horn flies can become a major issue for cattle during the summer. Commonly used fly control methods include sprays, drenches and dusts. However, a recent trend within the livestock industry is the search for alternative fly control methods. Among the methods gaining national attention is the use of garlic, cinnamon and other essential oil-based extracts in livestock feeds or minerals. The thought behind feeding livestock these aromatics is that their strong scents will deter flies. However, are these fragrant control methods effective, or are they all show? Alabama Cooperative Extension…