The document provides information about pigs including the wild boar, domestic pig, and warthog. It discusses:
1) The wild boar is the ancestor of the domestic pig. It lives in forests and weighs 50-90 kg on average.
2) Pigs were domesticated from wild boars as early as 13,000 years ago in the Near East. Domestic pigs have been used for their meat, hides, bristles, and bones by early civilizations.
3) The document then briefly mentions that Muslims do not eat pork but does not provide any details as to why.