FOR USE IN SCHOOLS AND LIBRARIES ONLY. Why do pigs roll around in the mud? Is it because they just like being dirty? No, that is silly! Pigs do not have sweat glands to cool them, so they roll in the mud because the mud keeps them cool! Come along on a farm adventure and have fun learning the special things about farm animals that help them survive on a farm, because even though they have the farmer to help take care of them, they are on their own most of the time.FOR USE IN SCHOOLS AND LIBRARIES ONLY. Why do pigs roll around in the mud? Is it because they just like being dirty? No, that is silly! Pigs do not have sweat glands to cool them, so they roll in the mud because the mud keeps them cool! Come along on a farm adventure and have fun learning the special things about farm animals that help them survive on a farm, because even though they have the farmer to help take care of them, they are on their own most of the time.
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