I put one in the run when I was trying to break a feather picking problems. It took about 1 month for 12 girls to go through it. It was under the overhang in a dry place.
If memory serves me right... I think they are only 10% protien.
Nope, I was wrong 8+% protien.
http://poultry.purinamills.com/OURPRODUCTS/Products/FlockBlock/default.aspx
Guaranteed Analysis
Protein, not less than 8.0%
Lysine, not less than 0.30%
Methionine, not less than 0.25%
Crude Fat, not less than 2.5%
Crude Fiber, not more than 4.0%
Calcium (Ca), not less than 2.3%
Calcium (Ca), not more than 2.7%
Phosphorus (P), not less than 0.65%
Salt (Nacl), not less than 0.70%
Salt (Nacl), not more than 1.2%
Sodium (Na), not less than .35%
Ingredients:
Cracked Corn, Whole Wheat, Whole Milo, Whole Barley, Whole Sunflower Seed, Molasses, Oyster Shell, Calcium Lignin Sulfonate, Dicalcium Phosphate, Granite Grit, Salt, Propionic Acit (A Preservative), Choline Chloride, DL-Methionine, L-Lysine, Pyridoxine Hydrochloride, Thiamine, Biotin, Vitamin A Acetate, Nicotinic Acid, Riboflavin, DL-Alpha Tocopheryl Acetate, Cholecalciferol, Menadione Dimethylpyrimidinol Bisulfite (source of Vitamin K), Folic Acid, Cyanocobalamin, Manganous Oxide, Zinc Oxide, Copper Sulfate, Calcium Iodate, Sodium Selenite.