Feed grade L-Threonine is a crucial amino acid supplement extensively utilized in animal nutrition, particularly in the feed industry. As an essential amino acid, L-Threonine plays a vital role in protein synthesis, promoting optimal growth, maintaining tissue integrity, and supporting various metabolic functions in livestock and poultry. Its significance lies in being a building block for proteins essential for muscle development and overall health. By supplementing animal feeds with L-Threonine, nutritional imbalances are addressed, leading to improved feed efficiency, enhanced weight gain, and better utilization of dietary protein. Additionally, L-Threonine contributes to immune function, disease resistance, and, in the case of poultry, positively impacts feather quality, making it an indispensable component for ensuring the well-being and productivity of various animal species.