Summer flies are a real pain. They come into the shed with the herd and then hang about in the shade of the milking area, biting cows and people alike. For many years farmers have tried various garden-sprinkler systems to reduce flies and heat. But these are generally employed in the yard, rather than on the milking platform. Cool Cow is the new fly and heat control system from the young New Zealand company Pesky Ideas. Cool Cow is the whole kit you need. It includes 65m of 4mm-i.d. heavy-wall plastic delivery line, plus all the fittings required to plumb it from your washdown pump pressure line. The plastic line is routed around the milking platform, herring bone, or rotary. It is then cut at regular points for the push-fit mister couplings to be installed (up to 30 of). A line cutting tool is supplied. The brass misters are then screwed into the couplings. A main tap and line filter are supplied. With the main tap on, the mist system operates as the yard pump is turned on and off as required. Cool Cow is a great system for control of biting flies, and also for keeping cows cool and comfortable in the dairy. You will see immediate reduction in cow fidgeting, tail swinging, and cups kicked off.