pigs are called nasty creatures because in biblical times there were people keeping hogs in deadful conditions, ate them and got real sick. and pigs are likely to play in mud and they are mostly seen in muddy condition.
pigs are wonderful creatures beacause Pigs are playful, friendly, sensitive, and intelligent animals. They've long been considered smarter than dogs, and the complexity of their social lives rivals those of primates. Much like people, pigs are soothed by music, love playing ball, and even enjoy getting massages.