ABSTRACT: This trial was performed to determine the dietary digestible threonine-to-lysine (dig. Thr-to-Lys) ideal ratio for laying hens fed with low-protein diets from 24 to 40 weeks of age. At 24 weeks of age. two hundred forty Hy Line W-36 laying hens were randomly assigned to five treatments. https://shopredoners.shop/product-category/originals-classic-sweatshirt/