Oh, you can feed them whatever you like. As long as you're feeding them and watering them, chickens tend to not care. I just don't agree with the whole vegetarian thing because I seriously doubt you can keep a chicken from eating bugs or even picking their own feathers out and eating them. So the whole "vegetarian" chicken thing is a bunch of crock to me.
You'll know by their appearance and behavior if they're getting all of the nutrients they need.
You'll know by their appearance and behavior if they're getting all of the nutrients they need.