Pigs are very misunderstood animals. These facts can help change the world’s perception of them.
Pigs are very smart! They are one of the smartest animals in the world, usually ranking around number 5 or 6 when scientific rankings are put out (just behind primates and dolphins). Their intelligence level is equal to a 3-4 year old human child.
Pigs share many of the same emotions that we do. They experience happiness, and do in fact, smile when happy! Pigs get excited and share moments of joy with each other (especially when treats are handed out). They also can go through depression, especially when taken from a home that they were used to and loved. If abused and greatly hurt, pigs also cry real tears when sad.
Pigs are very clean animals! A pig will use a dedicated area of its pen for the bathroom area, usually furthest away from where it sleeps and eats. It is a misconception that they are dirty since they can be seen in the mud during summertime, which leads us to the next fact…
Pigs do NOT sweat. Despite the common phrase “sweating like a pig”, pigs do not sweat. That is why you will find them in the mud during the summertime, as it helps keep them cool and protects their skin from the sun like sunscreen does for us. The term comes from the days of industrial steel production and refers to pig iron, which was shaped in molds that had the pieces branching off to look like piglets suckling on a sow. Once produced, pig iron was cool enough to move once it had water vapor condensing on its surface, thereby producing “sweat.”