Interesting... I have Cream Legbars from a hatchery (Meyer, via My Pet Chicken).
Consistency is like thick oatmeal. They pick a bit at it, they just don't eat much at all. I feed it to them in a small metal cat food bowl (they eat so little that I don't put enough out to fill the planned...
I began feeding my pullets fermented feed when they were about 3 weeks old. They did ok with it, but started not wanting to eat it as they got older. I restarted a batch thinking it got too funky, but they still ate somewhat reluctantly. As they have gotten older, they have been less and less...