I forget that you readers can't read my mind. I wasn't promoting a vegetarian diet for chickens nor was I thinking that it was a good idea. Oh never mind, there are too many intertwined posts and what I think may have been a response to me in reality may not have been
I'll have to check my feed bags but it seems like most, if not all, claim to have to added animal byproducts or whatever. I was taking that to mean it didn't have beef, poultry, (pork?), etc. added to it like it seems is happening in many feedlots. One way Bovine Spongiform Encephalopathy (BSE), is probably spread.
I have a bag of Sunfresh but my chickens are definately not vegetarians. They spend too much time running around the yard.
Bottom line for me right now. Chickens are ominivores just like humans. If fed a vegetarian diet they need some sort of supplements or controlled diet to ensure nutrional requirements are met. Chickens will also need a controlled environment to prevent them from eating that stray bit of live animal protein that comes their way. Caged chicken factory is what comes to mind. Vegetarian fed is better tha pure vegetarian. More humane and more natural.
Read the label.