关键词: 生猪育种, 现代种业, 基因组选择, 联合育种, 高质量发展

Abstract: The pig breeding industry serves as a critical foundation for ensuring a stable supply of pork， enhancing the core competitiveness of the industry，and promoting the high?quality development of animal husbandry. With the advancement of technologies such as genomic selection，marker?assisted selection，genome?wide association studies，and intelligent phenotyping，pig breeding is gradually transitioning from traditional phenotype?based selection and pedigree?based breeding toward genomic breeding，intelligent breeding，and whole?industry?chain collaborative breeding. This review systematically outlines the developmental trajectory and core elements of pig breeding technologies，analyzes the construction logic of a modern seed industry system and the synergistic development trends among core breeding populations，multiplication systems，and commercial pig production. It further explores the major challenges faced by China’s pig breeding industry in areas such as independent innovation of core germplasm resources，collection of high?quality phenotypic data，joint breeding mechanisms，disease resistance selection，and the utilization of local pig breeds. Prospects for strategic directions and technological breakthroughs toward 2035 are also discussed. This review aims to provide theoretical references and practical guidance for the high ? quality development of the pig seed industry.

Key words: Swine breeding, Modern seed industry, Genomic selection, Collaborative breeding, High-quality development