Pigs: Muddy But Clean Pigs may look messy, but their mud baths are essential for cooling down and protecting their sensitive skin from sunburn and parasites. <nis:link nis:type=tag nis:id=SpecialCampaign4 nis:value=SpecialCampaign4 nis:enabled=true nis:link/> <nis:link nis:type=tag nis:id=CleanIndia nis:value=CleanIndia nis:enabled=true nis:link/> <nis:link nis:type=tag nis:id=animalcare nis:value=animalcare nis:enabled=true nis:link/>