Automated walk-over-weigh system to track daily body mass and growth in grazing steers

•Body weight is a critical component for monitoring body mass, body condition, in grazing animals, but traditional methods are stressful, costly, and impractical to conduct frequently in extensive landscapes.•Remote systems automatically collecting body mass measurements often collect spurious weight measurements.•Multiple methods to identify and remove spurious weight points exist, each with a varying degree of accuracy, and it is important for researchers to identify and use the appropriate means which best fits their research objectives.•Robust regression provides a repeatable means of identifying and removing potentially spurious weight points in an automated fashion, with a high degree of precision and accuracy observed in the final body weights.