Pigs in an indoor unit© FLPA/John Eveson/REX/Shutterstock
Aggression in commercial pig units appears to be increasing and genetics could be playing a part. A great deal of pig aggression research has been undertaken over the past 40 years but the issue of pigs fighting has not improved, according to Simon Turner, animal welfare researcher at Scotland’s Rural College. He says selecting for lifetime daily gain, feed efficiency and hot carcass weight could be indirectly producing more aggressive pigs. “There could be a situation where we are accidentally […]