Abstract: A method of smart cattle reproduction management and digital farm to market transparency metrics tracks, monitors, and predicts reproductive efficiency, providing actionable information that allows the cattle rancher to optimize operations to ensure a high calf crop percentage. Using conventional ear tags to track and monitor the location, temperature, and movement of each animal in the herd, a highly accurate and data-driven reproductive performance score may be calculated for open heifers, cows, and bulls, thereby allowing actions to be taken to enhance reproductive efficiency. In addition, given the high risk of losing a heifer during calving, a method provides a means to detect, in advance and remotely, when a pregnant heifer is about to start calving to allow the cattle rancher to go on site, locate the animal, and provide any veterinary assistance that may be required should the delivery be difficult.