Sow stalls are narrow metal cages used to confine pregnant sows. They allow only enough space for sows to stand and prevent them from turning around or engaging in natural behaviors. Sows spend most of their pregnancy, about 3-4 months each time and over 10 months per year, confined in these stalls. While stalls improve farm productivity and economics, they severely restrict the freedom and natural behaviors of sows. Alternative group housing systems, like electronic sow feeding (ESF) systems, allow sows more space and freedom of movement but come with their own challenges in managing aggression and ensuring individual feeding. Overall, ESF systems have been shown to be economically viable in the long run compared to stalls despite