“跟跑”→“并跑”！中国肉牛育种技术跑出“加速度”

Core Insights - The livestock breeding industry, particularly in beef cattle, is crucial for meeting the growing consumer demand for quality meat and diverse meat options, with livestock genetics contributing over 40% to the development of the livestock sector [1] - The development of independent beef cattle breeds is essential to break foreign monopolies and ensure the sustainable growth of China's beef cattle industry [1] Group 1: Technological Advancements - In Inner Mongolia, a breeding company is utilizing embryo transfer technology to significantly enhance the utilization rate of quality bull embryos [3] - The rapid development of intelligent breeding for beef cattle is underway, employing computer vision for 3D reconstruction and genetic assessment, which has greatly improved accuracy [3] Group 2: Domestic Breed Development - Under the national seed industry revitalization plan, China has accelerated beef cattle breeding, resulting in the creation of the Huaxi breed, which has achieved international standards in daily weight gain, slaughter rate, and meat yield [5] - The Huaxi breed has expanded from 6 to 12 provinces, with a breeding population of 17,300 by the end of 2023, and currently accounts for 20% of the national frozen semen sales [5] Group 3: Genetic Evaluation and Innovation - The establishment of a national beef cattle genetic evaluation center has collected over 1 million data points from 32 beef cattle breeds, achieving initial conventional genetic assessments and domestic software and hardware replacements [7] - Advanced breeding technologies, such as genomic selection and gene editing, have allowed China to partially surpass developed countries in beef cattle breeding, with domestic gene detection chips holding an 85% market share [7] Group 4: Future Directions - Plans are in place to establish a global livestock genetic resource sharing platform and to accelerate the construction of the world's largest national livestock genetic resource bank [9]