13-11-2005, 08:39 PM
:thumbs:
Pigs roll in mud primarily to cool down, but this activity also causes a durable layer of mud to form on the skin, which protects them from sunburn. Other pale-skinned animals are subject to sunburn, too, including cows and sheep.
Pigs roll in mud primarily to cool down, but this activity also causes a durable layer of mud to form on the skin, which protects them from sunburn. Other pale-skinned animals are subject to sunburn, too, including cows and sheep.