Integrative Genomics for Next-Generation Goat Breeding: Integrating Selection, Multi-Omics, and CRISPR Technologies

The global demand for sustainable and efficient livestock production necessitates continuous innovation in animal breeding. Goats, renowned for their adaptability and diverse products, stand at the forefront of this evolutionary trajectory. This abstract delves into the transformative potential of cutting-edge genomic technologies and gene editing, poised to revolutionize traditional breeding paradigms and usher in an era of precision livestock farming. We explore the synergistic integration of genomic selection (GS) and CRISPR- Cas۹-mediated gene editing as powerful tools for accelerating genetic gain in goats. GS enables the accurate prediction of breeding values for economically important traits, including milk yield and composition (fat and protein content), disease resistance, feed conversion efficiency, and meat quality, even in young animals, thereby shortening selection cycles and enhancing accuracy. Simultaneously, targeted gene editing offers unprecedented precision in modifying specific genes, facilitating the development of breeds with enhanced disease resistance (e.g., to mastitis or parasitic infections), improved nutritional profiles in milk, and increased resilience to environmental stressors. Emerging research highlights the feasibility of editing genes like those affecting casein production for improved milk quality or genes involved in immune response pathways for disease tolerance. Furthermore, the integration of multi-omics data, including transcriptomics and epigenomics, alongside high-density genotyping, is providing a more comprehensive understanding of the genetic architecture underlying complex traits in goats. This multi-faceted approach not only accelerates the identification of elite breeding stock but also opens avenues for developing goats with superior adaptability to changing climatic conditions and reduced environmental impact. By embracing these advanced genomic tools, the goat industry can move towards more sustainable, productive, and resilient farming systems, ensuring food security and economic viability for producers worldwide. Future directions include refining gene editing techniques for greater specificity and safety, developing robust genomic evaluation models tailored to diverse goat populations, and exploring the potential of gene x environment interactions to optimize breeding strategies in varied agro-ecological zones. This paradigm shift promises to unlock the full genetic potential of goats, addressing both the challenges of modern agriculture and the increasing consumer demand for high-quality, sustainably produced animal products.

کلیدواژه ها:

Genomic Selection ، Gene Editing ، Multi-Omics Integration ، Sustainable Goat Production