A small study suggests that when two pigs are fighting, a bystander pig can intervene to either reduce the number of attacks by the aggressor or to help reduce the anxiety of the victim. The study of 104 domestic pigs, published in the journal Animal Cognition, reveals the complex social groups that pigs form and how they may resolve conflict.
Click here for original story, Piggy in the middle: Pig aggression reduced when a bystander pig steps in
Source: Phys.org