Like this, Pigs weather Summer Heat better:

If pigs could choose, they would use a wallow in the mud to cool down in summer, for they can't sweat like humans. Unfortunately, wallows exist only in husbandries with access to natural ground. In pens with outdoor runs from concrete, a shower can offer chill to the pigs.

Want to know more? Read our leaflet: Pig wallows and showers - pigs can't sweat - that's why they wallow (PDF, german only)

(Photo: Inspection Service SAP)