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N China's Inner Mongolia launches homegrown ‘Breeding No.2’ gene chip for quality dairy cattle breeding_我的网站
A | 日前，《杭州市体育发展“十五五”规划》（规划期限为2026-2030年）发布。《规划》提出，到2030年，高水平建设体育强市取得突破进展，全面打响“国际赛事名城”品牌，力争在全球体育城市指数排名中争先进位，重点将在五大方面实现突破。赛事综合影响力上，体育赛事体系进一步完善，争取承办一至两项世界杯或世锦赛，每年举办3至5项高水平国际赛事、50项以上全国性赛事，打造5项具有国际影响力的品牌赛事，创成3至5项与城市特质相符的自主品牌赛事。公共服务体系上，区、县（市）“一场两馆”基本实现全覆盖，体育公共服务一体化水平持续提升，人均体育场地面积达到4.0平方米以上，经常参加体育锻炼人数比例达到50%以上，国民体质监测优良率达45%以上，市民体质状况居于全国前列。
North China's Inner Mongolia Autonomous Region has launched a genomic breeding tool for dairy cattle, also known as a gene chip, enabling precise screening for key traits such as high milk yield, high fertility, disease resistance and longevity, and marking a fresh breakthrough in China's dairy cattle breeding technology, the Inner Mongolia Daily reported on Saturday.
As an iteration of the previous generation dairy cattle breeding array, which holds proprietary intellectual property rights, the new-generation "Breeding No.2" breeding array was led by the National Center of Technology Innovation for Dairy and developed by Youran Dairy Saikexing, with upgrades in loci coverage, compatibility and gene-trait prediction algorithms.
The "Breeding No.2" breeding array covers about 50,000 loci across the dairy cattle genome, with a focus on functional loci tied to milk production, reproduction, disease resistance and length of productive life. It has achieved a sample call rate of 99.65 percent and a genotyping concordance rate of 99.91 percent for duplicate samples, and is compatible with mainstream international chips, allowing historical breeding data to be shared and reused.
Drawing on a phenotype database and genome resequencing data to optimize a proprietary algorithm, advancing breeding evaluation from qualitative screening to quantitative assessment, bringing the accuracy of breeding stock selection up to advanced international levels, according to the report.
The breeding array enables more precise genomic selection of calves at an early stage, substantially shortening the generation interval in breeding bull selection and cutting spending on raising low-performing replacement heifers. Compared with imported high-density chips, the "Breeding No.2" chip carries a lower per-sample testing cost and delivers stronger input-output returns, making it highly suited to large-scale dairy cattle breeding operations in China, the report said.
Global Times
。竞技综合实力上，全市竞技体育管理体制和运行机制更具活力，新周期奥运会、亚运会、全运会、学青会等赛事运动员成绩力争实现新突破，入选国家队人数及奖牌数达到全国同类城市前列，每年向省队、国家队输送高水平运动员突破45人。省运会上继续保持金牌总数、奖牌总数、团体总分“三个第一”。产业发展能级上，体育产业规模明显扩大，产业总产出规模达2000亿元，体育产业增加值占GDP比重达1.8%，人均体育消费支出达4200元。体育产业综合实力和影响力迈上新台阶，在稳经济、带就业、促消费方面的能力持续增强，成为我市国民经济发展新增长点。体育跨界融合上，形成一批体育与数字技术、文化创意、休闲旅游、医药健康等相关行业深度融合的标杆场景，体育公共服务“一站式”应用覆盖全市公共体育场地，体育数字化治理水平全国领先，核心业务数字化覆盖率达100%，“跟着赛事游杭州”品牌进一步打响，体育文化软实力与影响力全面提升。《规划》同时部署了“国际赛事名城”“全民健身热城”“竞技体育强城”“体育产业旺城”“体育服务智城”“体育开放融城”六大主要任务。比如，打造国际赛事名城方面，高效抓好“后亚运”时期亚运场馆综合利用，构建国际化赛事品牌矩阵，培育发展赛事经济，全面推进国际赛事名城建设。
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