Machine learning based fog computing assisted data-driven approach for early lameness detection in dairy cattle

•Design and development of an IoT application leveraging the fog computing paradigm.•Validation of the application in IoT enabled smart dairy farming scenario.•A real-world smart farm setup with a full dairy herd of 150 cows.•Blended clustering & classification ML model for early lameness detection in cattle.•Early lameness detection window of 3 days before visual signs, with 87% accuracy.