Extreme Heat

How is everyone dealing with the extreme heat?  Keeping calves eating? Keeping them cool without cooler room?

We are in extreme SE OK and it was 101 here yesterday with a light wind.  Today is our local Ag booster Jackpot and it's supposed to be 106.  Thankfully it's just sheep, goats and pigs.  No way we are pulling our calves out of the cool room.  That said, Tyson is letting us use a special trailer they have that has huge fans with misters on it for the show.  They are a huge industry in this area and are for the most part really good to the community.

For us in Indiana, we've gotten a much needed rain the last few days. We've gotten about 3/5 of an inch. (1/2and then 1/10). Therefore, it has been cooler and my steer is eating pretty well and has kept most of his hair. Wondering if anyone else has had luck without a cool room?

I am in northern Illinois and it has been quite warm for the last month with several week long stretches of 100+ heat index. We have been lucky that it lasts about 7 days and then a day or 2 of cooler weather to have everything feeling better before the heat hits again. We didn't get the rain they thought we might get this week but it has cooled off a bit before another 7 day stretch. We don't have a cool room. We do heifers only and have heard too many bad things about lung damage from the cooler. Not worth it to us. We use plenty of fans and rinse twice a day and our calves look just as good. Ours have not went off feed in fact I have a calf I weaned at the end of June that is eating like crazy all through the heat. I am so thankful right now for that and like many people I am wishing for fall.

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We are hooked on our "low budget" mister system.  It took me a couple tries and parts to figure out what works the best.  So if you are looking for a cheap relief that can lower your stall temps by up to 20 degrees head to the hardware store.
Buy a piece of 1/2 in poly pipe for however long you need.  Then buy a small roll of the 1/4 flexible tube / lines.  You will then need to buy the plastic barbs that poke into the larger pipe and then you hook the smaller line to those barbs.
Now here is the important part, - the misters!
From my experience they HAVE to be 1/2 a gallon per hour or less! The cheap plastic ones I found were .5 gallons per hour at 60-80psi I believe.  Any more and they make everything wet.  Remember the goal is the water to evaporate in the air before it hits the ground.  You also have to get a female end so you can scew your garden hose into the end, and a plug for the other end.  I think my entire system cost less than $10.00  Only problem I've ran into is the misters are easy to clog and it seems I have to clean them all the time, but it's simple.
Our steer's pen is 10x20  I put two misters in the rafters about 3 feet from steer's head.  I have a regular box cheap house fan on one end of the lean to mounted high.  It blows through the mister.  The steer stays in one spot all day with his nose in the mister / fan air like he is in hog heaven.  Using a cheesy thermometer, it was between 15-20 degrees cooler than outside.
Hope this helps.