Pig issue: The animals are optimistic and pessimistic just like humans

Pro-active, optimistic pigs always looked on the bright side while moody pigs with less space and no straw tended to be negative and pessimistic (file image)

by John von Radowitz
Pigs have personalities that can be trough half-full or trough half-empty, a study has shown. Just like humans, some pigs are go-getting, optimistic and positive while others are moody pessimists, new research reveals...http://www.independent.co.uk/news/science/pigs-optimistic-pessimistic-just-like-humans-a7419901.html