Nope. But they love it.
We feed protein pellets during bad times at our places. Just a little extra to help them when food is short.
They will attract hogs and coons without a doubt.
This mechanism actually works as advertised, but there are many good brands here in TX.
http://www.spintechspreaders.com/products/profile/deer-feeder-225-lb-capacity-poly-barrel-tripodstumpy