World Dairy Expo interview United States Download Dairy Herd Management’s Pam Fretwell caught up with Select Sires’ Vice President of Technical Service Programs, Dr. Ray Nebel, at World Dairy Expo to talk about the CowManager system. Dr. Nebel shares more about CowManager’s ability to monitor heat, health and rumination and how the computer microchip tag works. He explains why dairy producers should invest in the CowManager system. The system has expanded with two new features: Fertility Insights and Find My Cow.