I am kind of curious if laying hens can have non-medicated chick starter crumble. They currently eat a layer crumble, but I wonder if a non-medicated chick starter crumble would be harmful to them. Why or why not? Here and the ingredients: Ingredients: Wheat Middlings, Corn, Soybean Meal, Corn Distillers Dried Grains with Solubles, Calcium Carbonate, Monocalcium Phosphate, Dicalcium Phosphate, Sodium Bentonite, Salt, L-Lysine, DL-Methionine, Ferrous Carbonate, Ferrous Sulfate, Copper Sulfate, Manganous Oxide, Manganese Sulfate, Zinc Oxide, Zinc Sulfate, Cobalt Carbonate, Calcium Iodate, Sodium Selenite, Vitamin A Supplement, Vitamin D3 Supplement, Vitamin E Supplement, Menadione Dimethylpyrimidinol Bisulfite, Thiamine Mononitrate, Riboflavin Supplement, Niacin Supplement, Choline Chloride, Calcium Pantothenate, Pyridoxine Hydrochloride, Biotin, Folic Acid, Vitamin B12 Supplement, Propionic Acid (A Preservative). Guaranteed Analysis: Crude Protein (min.) 20.00% Lysine (min.) 1.00% Methionine (min.) 0.50% Crude Fat (min.) 3.00% Crude Fiber (max.) 6.00% Calcium (min.) 1.00% Calcium (max.) 1.50% Phosphorus (min.) 0.70% Salt (min.) 0.25% Salt (max.) 0.75% Sodium (max.) 0.50%.