This is how we made our automatic pig waterer for our American Guinea Hogs. If you have swine, you know they push over anything they can, and this makes it hard to give them clean water. We took two 55 gallon barrels that cost $10 each. Clint drilled a hole and then used a 1/2" tap to put threads in the barrel. We have 110 gallons of clean water available for them all of the time. We will soon hook this up to a gutter on our barn that will top the barrels off when it rains. This can be modified to make sheep and goat waterers also. I've seen a few online saying they use them for cows and horses. It is important especially in hot weather to make sure the animals know how to get the water before you take their original water source away. We had one pig who took to it instantly, and our others learned within a day from watching him.
