Raising thousands of birds is clearly not in the backyard chicken keeping realm that we are talking about in this forum and which was the basis of my argument. If this is your thing, fine. I would not recommend it to anyone raising a backyard flock.I raised thousands of birds in brooders just like this. Yes there are better systems. But if you want to restore Granny’s antique then that s a different situation entirely and it will successfully raise birds. I love my birds and antique farm goodies. Combining the two are pure heaven to me.