 it helps with not only keeping them a bit happy, but also it helps keep their production up, meaning they're going to keep gaining weight, they're going to keep producing milk, things like that, and their energy is going to be able to go into that production instead of trying to keep themselves cool. Evaporative coolers only have two working parts, the water pump and the fan motor, so they consume very little power. Learn more about evaporative coolers for livestock at livingthecountrylife.com. I'll see you in the country.