Date: Wed Oct 13 12:42:07 2010
Posted By: Forrest Howell, Staff, none, none
Area of science: Zoology
ID: 1286906235.Zo
Message:
Pigs like the mud for three reasons:
1. To help keep cool. Pigs do not have sweat glands and the cool mud helps them to lower their body
temperature.
2. Pigs are susceptible to sun burn and the mud/dirt helps block the sun.
3. The mud can act as a physical barrier to parasitic insects.
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