When we visited
Mr. Dennie's pig farm, we had lots of
   questions! What are pigs? Where do they come from?
What is a pig like? Why do people raise pigs? What do we
   get from raising pigs?
  What different kinds of pigs are there? Where
are they raised? What are the scientific names for pigs? After visiting the
  farm, we read the Encarta Online (www.encarta.com) entry on "hogs" to learn
some more. Here's what we found out:

Pigs are domesticated mammals in the swine family. They are raised in almost
every part of the world for food, but they cannot live where it is very dry. Pigs are also called swine and hogs. Pigs have two enlarged canine teeth that grow out of their mouths to make tusks.

There are two species of wild swine, one in Europe and the other in Asia.
Pigs were first domesticated in China about 9000 years ago. Later,
Europeans domesticated pigs. Then Christopher Columbus,
Hernando de Soto, and other Spanish explorers brought them
to the western hemisphere. Modern wild razorbacks,
in the American South, are descended from
the pigs these explorers brought.

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