The rapid growth in the global population, projected to reach 10 billion by 2050, underscores the urgent need for increased food production, particularly from livestock, which contributes significantly to human caloric and protein intake. Livestock also provides essential by-products for pharmaceutical, cosmetic, and industrial applications. Genomics and biotechnology have emerged as transformative fields in enhancing livestock productivity, reproductive efficiency, disease resistance, and climate resilience. Advances in genomic tools, such as SNP genotyping and genome-wide association studies, have enabled marker-assisted and genomic selection to improve economically important traits. These technologies also aid in the conservation of genetic resources, identifying genes for climate adaptation, and developing targeted vaccines for disease control. Biotechnological innovations in reproduction, such as artificial insemination, embryo transfer, and cloning, have significantly improved livestock breeding. Transgenic animals have been engineered for enhanced production traits and disease resistance. Additionally, molecular diagnostics and vaccine development have advanced livestock health management, addressing challenges like heat stress and infectious diseases. These scientific breakthroughs are pivotal in meeting the demands of the “Livestock Revolution,” ensuring sustainable food security and economic growth in the face of global challenges.