Driving advancements in veterinary science and sustainable animal agriculture, animal biotechnology & livestock engineering encompasses genetic modification, reproductive technologies, and molecular diagnostics to improve animal health and productivity. Genomic selection and marker-assisted breeding enable the development of disease-resistant and high-performance livestock breeds, while embryo transfer and cloning techniques ensure preservation of superior genetics. Animal Biotechnology & Livestock Engineering also contributes to the production of therapeutic proteins, vaccines, and organ models through transgenic animals. In addition, precision livestock farming integrates biosensors, robotics, and data analytics to monitor behavior, nutrition, and welfare in real time. These innovations not only enhance food security but also promote ethical practices, environmental sustainability, and efficient resource utilization in animal farming industries worldwide.