The rule specifies ear tags for all sexually intact cattle and ... tags will no longer be counted as official unless they are applied to the animal before the November. 5 deadline.

Autonomous Rancher offers herd management software as well as GPS tags that can track an animal's location, health and more.

2000). External tags (e.g., ear and leg bands, dart tags, painted marks, scale clipping) have also facilitated animal tracking. These are relatively cost-effective, but their external nature makes ...