The concrete screws hold better than a wedge anchor. Keep in mind if you do use them and you screw them in and out often enough in the same hole, they will start holding less and less because it wears the sides of the hole. If you need to take them out often a threaded insert is your best option.
The herd I managed was just under 200 cows. Here in Canada animal welfare is a big deal, partly brought on by animal rights groups sneaking around on farms and looking for bad situations they can put exploit. It was a naturally ventilated barn with no fans. It worked good down to 10 degrees F...
Where did scc and bacteria count have to be to get the premium and how many years ago di you quit? I have experience as a herd manager but never a owner and I am still interested in dairy.
You didn't milk 80 cows with that thing did you? Did your cows go from tiestall to freestall? That's a tough transition.
A saying for dairy farmers: Beef guys might wear the nice hat but dairy farmers are the real cowboys.
From a personal perspective I would rather just pay more for milk, simple because I don't consume much. From a farmers perspective I would almost think I would prefer to be able to make a living without assistance. I suppose if it didn't work you wouldn't be doing it.
I feel there is no other livelihood where you can feel the Lord's Hand on you successes and failures so profoundly as in farming. When you watch approaching storm clouds and know they can bring a much needed or crop damaging hail or wind, it brings into context how small your own contribution...