Effets d’une alimentation par appel sonore chez les truies gestantes sur leur comportement et bien-être

Group housing of pregnant sows increases aggression around feeding stations, which decreases their welfare. This study evaluated effects of learning an individual acoustic signal (SSP) as a call to go to the feeder on the behaviour of pregnant sows. In a test room, “learning” sows (n = 16) underwent four individual…