TY - RPRT TI - Assessment of pupillometry across different commercial systems of laying hens to validate its potential as an objective indicator of welfare AU - Mosco, E. AU - Kilroy, D. AU - Kumar, A. H. PY - 2025 DO - 10.1101/2025.06.06.658220 UR - https://www.biorxiv.org/content/10.1101/2025.06.06.658220v1 ID - 10.1101/2025.06.06.658220 ER -