That's why they roll around in the mud or water during hot weather. Then when the wind blows over them, the water from the mud evaporates,and cools them. The dried mud acts as a layer of sunscreen to protecttheir skin from the sun. Don't try this at home kids. A pig's most acute sense is smell.
Pigs are omnivores.
They willeat anything humans eat and more, a lot more in fact. Pigs gain weight very quickly. If they eat about 3 pounds of feed, they will gain 1 pound of body weight. Compare this to chickens or turkeys where about 2 pounds of feed produces 1 pound of body weight. And in steers, about 7 pounds of feed produces 1 pound of body weight.