There are an estimated 2 billion domesticated pigs on our planet, which are derived mainly from Eurasian Wild Pigs (Sus scrofa) and Sulawesi Warty Pigs (Sus celebensis). There is evidence that local pigs were domesticated independently in Europe, Asia Minor, the Far East (including Japan), and various parts of Southeast Asia. The earliest evidence of domestication dates back more than 10,000 years.
- Meijaard, E., J.P. d'Huart, and W.L.R. Oliver. 2011. Family Suidae (Pigs). Pp. 248-291 in: Wilson, D.E. and Mittermeier, R.A., eds. Handbook of the Mammals of the World. Volume 2. Hoofed Mammals. Lynx Edicions, Barcelona.
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