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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
一 |
“为国出征，义不容辞！”7日早上，中国男篮球员高诗岩在社交平台晒出5人在机场候机的照片并配文，另外4人是进入中国篮协征调名单的队员翟晓川、范子铭、贺希宁和姜伟泽。 
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
。2022年男篮亚洲杯12日在印尼雅加达开打，然而在墨尔本备战中的中国男篮陆续有人感染新冠，中国篮协第一时间启动应急预案，“国家队紧急征调5名国内球员飞往雅加达备赛。目前留在墨尔本的人员若开赛前身体康复，将前往雅加达与队伍汇合。”据悉，篮协发布公告的同时，接到调令的队员就已经在路上了。在澳大利亚墨尔本举行的2023年世界杯预选赛第三窗口期比赛日前结束，新一届中国男篮取得2胜2负。本届亚洲杯将于12日至24日在雅加达举行，这也是2019年世界杯后中国男篮的首个洲际大赛，中国男篮与韩国、中国台北、巴林同分在B组。
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
。2022年男篮亚洲杯12日在印尼雅加达开打，然而在墨尔本备战中的中国男篮陆续有人感染新冠，中国篮协第一时间启动应急预案，“国家队紧急征调5名国内球员飞往雅加达备赛。目前留在墨尔本的人员若开赛前身体康复，将前往雅加达与队伍汇合。”据悉，篮协发布公告的同时，接到调令的队员就已经在路上了。在澳大利亚墨尔本举行的2023年世界杯预选赛第三窗口期比赛日前结束，新一届中国男篮取得2胜2负。本届亚洲杯将于12日至24日在雅加达举行，这也是2019年世界杯后中国男篮的首个洲际大赛，中国男篮与韩国、中国台北、巴林同分在B组。
二 | 按照赛程安排，中国男篮将于12日晚首战韩国男篮。
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