1. Detection of Aggressive Group Behavior of Laying Hens in Free Henhouses

Harmful social behaviors among laying hens, such as feather pecking and aggressive chasing, pose a significant challenge to animal welfare and productivity in cage-free poultry systems. While cage-free housing allows hens to express natural behaviors, it also increases the risk of injurious interactions that can lead to stress, injury, and economic losses. Existing mitigation strategies, including environmental enrichment and housing design improvements, reduce but do not eliminate harmful behavior,... Y. Heller, S. Druyan, A. Godo, V. Bloch