The 27 were mixed between the hoop houses.
As side note: I start all my birds for the first 3 weeks on Gamebird feed that is 27% protein to help feather growth. Then on week 4 I switch them over to my feed and there has never been any issues)
As for the feed I have been using the same mix all year for all my broilers and nothing has gone awry until I this past weekend.
I will try to get some photos of them tonight.
As for the mix:
It is roasted soybeans. I never said raw.
Corn (cracked or med rolled)
roasted soybeans (med rolled)
crimped oats (med rolled)
Kelp
Poultry Pellets (Poultry Pellets are lime chips or calcium carbonate)
Egg Innovations (The Egg innovations is a vitamin premix consisting of
Vitamin A 2,000,000 IU/lb.
Vitamin D3 670,000 IU/lb.
Vitamin E 2,660 IU/lb.
Vitamin K 400IU/lb.
Choline Chloride, Managanese Sulfate, Zinc Sulfate, Iron Sulfate, Copper Sulfate, Sodium Selenite, Diatomoaceous EArth, Vitamin K Supplement, Niacin, Vitamin E Supplement, Organic Soy Oil, Pantothenic Acid, Vitamin A Acetate, Thiamine, Cholecalciferol, Vitamin B12 Supplement, Riboflavin, Biotin, Calcium Iodate, Pyridoxine, Folic Acid.)
That is my mix and has been great. And on occasion I throw in hulled sunflower seeds from the mill. Couple of handfuls a week to have them scratch.