Pigs have the personal qualities and may be pessimistic or optimistic, like humans, found British scientists at the University of Lincoln, BBC reports. The research team tested the behavior of 36 animals by offering them chocolate and less attractive coffee beans in two different bowls. Between these two put third bowl without treats. Pigs were recorded in the optimists, if they are first of all expressed interest in an empty bowl,. According to scientists, the pig-optimists chose her in the hope that there will be something even more delicious. Dr.

Lisa Collins, one of the researchers, said that the behavior of pigs and their manner of decisions similar to the human. In a study published in the journal Biology Letters, says that pigs mood and affect their living conditions. Pigs living in spacious and bright rooms on thick mats of clean straw, radiated love for life. Those who lived in crowded conditions without straw showed sadness, which, however, disappeared with the appearance of light and straw.

Original article: Scientists have found that pigs are pessimists and optimists.