Hello hunting world.
I work at an RV park in the Texas Hill Country where we sell small bags for guests and regularly feed the local whitetail corn mixed with dog food.
This feed mix is not healthy for the deer and it shows. We even had to put down a baby buck who was very sick.

I've been doing a bit of research to find a cost effective feed with probiotics to present to my manager but haven't had the best of luck since maintaining a herd of deer is a little out of my scope of practice.
So any recommendations would be greatly appreciated.
Also a good seed mix to throw out in full sun would awesome too.

Thanks in advance.