Abstract Towards a better understanding of anti-nutritional factors, reactive lysine, KOH protein solubility, and rooster amino acid digestibility in commercial soybean meals Hack, A., B. Parsons, P. Utterback, J. Emmert and C. Parsons September 2023 Amino Acid Digestibility | Antinutritional Factors | Chymotrypsin Inhibitor | KOH Protein Solubility | Mechanically Extracted Soybean Meal | Poultry | Reactive Lysine | Rooster Model | Solvent Extracted Soybean Meal | Soybean Meal | Soybean Processing | Trypsin Inhibitor