首次成功克隆！世界屋脊濒危牛在我国诞生
<div class="wx_rich_media_content" id="jsWxContainer"><section style='text-size-adjust: none; margin-bottom: 30px; list-style: none; font-size: 18px; line-height: 32px; color: rgb(51, 51, 51); word-break: break-all; font-family: PingFangSC-Regular, Helvetica, Arial, "Microsoft Yahei", sans-serif; text-indent: 2em;'><span style='font-size: 16px;'>好消息来了。</span><span style='color: rgb(0, 122, 170);'><span style='font-size: 16px;'></span><strong><span style='font-size: 16px;text-indent: 2em;'>世界屋脊的濒危牛种——樟木牛和阿沛甲咂牛近日在重庆云阳成功克隆。</span></strong></span><span style='font-size: 16px;text-indent: 2em;'>这是世界上首次成功克隆雪域高原濒危牛种，也是我国西南地区第一次诞生克隆牛。</span></section><p style='text-size-adjust: none; margin-bottom: 30px; list-style: none; font-size: 18px; line-height: 0px; color: rgb(51, 51, 51); word-break: break-all; text-align: center; font-family: PingFangSC-Regular, Helvetica, Arial, "Microsoft Yahei", sans-serif;'><span class="wxart_image" wx-style='display:inline-block;border-width: 0px;border-style: initial;border-color: initial;display: block;max-width: 1000px;margin-right: auto;margin-left: auto;'></span></p><p style='text-size-adjust: none; margin-bottom: 30px; list-style: none; font-size: 18px; line-height: 0px; color: rgb(51, 51, 51); word-break: break-all; text-align: center; font-family: PingFangSC-Regular, Helvetica, Arial, "Microsoft Yahei", sans-serif;'><span class="wxart_image" wx-style='display:inline-block;border-width: 0px;border-style: initial;border-color: initial;display: block;max-width: 1000px;margin-right: auto;margin-left: auto;'></span></p><section style='text-size-adjust: none; margin-right: auto; margin-bottom: 30px; margin-left: auto; list-style: none; line-height: 23px; color: rgb(143, 143, 143); word-break: break-all; width: 1000px; text-align: center; font-family: PingFangSC-Regular, Helvetica, Arial, "Microsoft Yahei", sans-serif; text-indent: 2em;'><span style='font-size: 12px;'>成功克隆的樟木牛（上）和阿沛甲咂牛（下）。（重庆市云阳县农业农村委员会供图）</span></section><p style='text-size-adjust: none; margin-bottom: 30px; list-style: none; font-size: 18px; line-height: 32px; color: rgb(51, 51, 51); word-break: break-all; font-family: PingFangSC-Regular, Helvetica, Arial, "Microsoft Yahei", sans-serif;'><span style='font-size: 16px;'> 1月29日在云阳举行的樟木牛和阿沛甲咂牛抢救性保护工作推进会上，西藏濒危牛种资源抢救性保护和种质特性评价项目组宣布了这一消息。</span></p><section style='text-size-adjust: none; margin-bottom: 30px; list-style: none; font-size: 18px; line-height: 32px; color: rgb(51, 51, 51); word-break: break-all; font-family: PingFangSC-Regular, Helvetica, Arial, "Microsoft Yahei", sans-serif; text-indent: 2em;'><span style='color: rgb(0, 122, 170);'><strong><span style='font-size: 16px;'>为什么要克隆雪域高原的牛种资源？</span></strong></span></section><p style='text-size-adjust: none; margin-bottom: 30px; list-style: none; font-size: 18px; line-height: 32px; color: rgb(51, 51, 51); word-break: break-all; font-family: PingFangSC-Regular, Helvetica, Arial, "Microsoft Yahei", sans-serif;'><span style='font-size: 16px;'> 因为樟木牛和阿沛甲咂牛是世界珍稀地方黄牛品种，是国家培育适应高原环境品种的战略资源。据第三次全国畜禽遗传资源普查评估，樟木牛仅剩19头，阿沛甲咂牛仅有39头、可用种公牛仅1头，处于濒临灭绝状态。</span></p><p style='text-size-adjust: none; margin-bottom: 30px; list-style: none; font-size: 18px; line-height: 32px; color: rgb(51, 51, 51); word-break: break-all; font-family: PingFangSC-Regular, Helvetica, Arial, "Microsoft Yahei", sans-serif;'><span style='font-size: 16px;'> 绝不能让雪域高原濒危牛种质资源灭失。国家相关部门和藏渝两地紧急行动起来，通过活体保护、体细胞保种、克隆复原技术，实施抢救性保护。</span></p><p style='text-size-adjust: none; margin-bottom: 30px; list-style: none; font-size: 18px; line-height: 0px; color: rgb(51, 51, 51); word-break: break-all; text-align: center; font-family: PingFangSC-Regular, Helvetica, Arial, "Microsoft Yahei", sans-serif;'><span class="wxart_image" wx-style='display:inline-block;border-width: 0px;border-style: initial;border-color: initial;display: block;max-width: 1000px;margin-right: auto;margin-left: auto;'></span></p><p style='text-size-adjust: none; margin-bottom: 30px; list-style: none; font-size: 18px; line-height: 0px; color: rgb(51, 51, 51); word-break: break-all; text-align: center; font-family: PingFangSC-Regular, Helvetica, Arial, "Microsoft Yahei", sans-serif;'><span class="wxart_image" wx-style='display:inline-block;border-width: 0px;border-style: initial;border-color: initial;display: block;max-width: 1000px;margin-right: auto;margin-left: auto;'></span></p><p style='text-size-adjust: none; margin-right: auto; margin-bottom: 30px; margin-left: auto; list-style: none; line-height: 23px; color: rgb(143, 143, 143); word-break: break-all; width: 1000px; text-align: center; font-family: PingFangSC-Regular, Helvetica, Arial, "Microsoft Yahei", sans-serif;'><span style='font-size: 12px;'>西藏的樟木牛（上）和阿沛甲咂牛（下）。新华社记者 刘诗平 摄</span></p><p style='text-size-adjust: none; margin-bottom: 30px; list-style: none; font-size: 18px; line-height: 32px; color: rgb(51, 51, 51); word-break: break-all; font-family: PingFangSC-Regular, Helvetica, Arial, "Microsoft Yahei", sans-serif;'><span style='font-size: 16px;'> 2023年2月开始，西藏濒危牛在云阳县重庆肉牛繁育场进行克隆胚胎移植。突破高原牛种克隆技术难题，项目组近期成功克隆樟木牛和阿沛甲咂牛公牛各4头，保障濒危牛群公牛延续。</span></p><p style='text-size-adjust: none; margin-bottom: 30px; list-style: none; font-size: 18px; line-height: 32px; color: rgb(51, 51, 51); word-break: break-all; font-family: PingFangSC-Regular, Helvetica, Arial, "Microsoft Yahei", sans-serif;'><span style='font-size: 16px;'> </span><span style='font-size: 16px;color: rgb(0, 122, 170);'><strong>为什么选择在重庆云阳克隆？</strong></span></p><p style='text-size-adjust: none; margin-bottom: 30px; list-style: none; font-size: 18px; line-height: 32px; color: rgb(51, 51, 51); word-break: break-all; font-family: PingFangSC-Regular, Helvetica, Arial, "Microsoft Yahei", sans-serif;'><span style='font-size: 16px;'> 目前西藏本地克隆牛暂时还不具备条件。执行克隆技术攻关的专家选择了与樟木牛产地樟木镇气候和地形条件相似的云阳县，同时，当地拥有种牛繁育场，具备雄厚的技术力量，可保障克隆需要的软硬件条件。</span></p><p style='text-size-adjust: none; margin-bottom: 30px; list-style: none; font-size: 18px; line-height: 32px; color: rgb(51, 51, 51); word-break: break-all; font-family: PingFangSC-Regular, Helvetica, Arial, "Microsoft Yahei", sans-serif;'><span style='font-size: 16px;'> 重庆市相关部门负责人表示，重庆市长期帮扶和支持西藏社会经济发展，愿意为资源保护提供积极支持。</span></p><p style='text-size-adjust: none; margin-bottom: 30px; list-style: none; font-size: 18px; line-height: 32px; color: rgb(51, 51, 51); word-break: break-all; font-family: PingFangSC-Regular, Helvetica, Arial, "Microsoft Yahei", sans-serif;'><span style='font-size: 16px;'> 最新的“情报”是，计划今年夏天将樟木牛和阿沛甲咂牛克隆公牛各2头返回西藏，补充保种急需种公牛；另外4头继续留在云阳培育至成年，进行训练调教，采集制作冷冻精液。</span></p><p style='text-size-adjust: none; margin-bottom: 30px; list-style: none; font-size: 18px; line-height: 32px; color: rgb(51, 51, 51); word-break: break-all; font-family: PingFangSC-Regular, Helvetica, Arial, "Microsoft Yahei", sans-serif;'><span style='font-size: 16px;'> 那么，问题又来了：</span><strong><span style='font-size: 16px;color: rgb(0, 122, 170);'>出生在低海拔重庆的克隆牛回到高海拔西藏，能否生存和适应？</span></strong></p><p style='text-size-adjust: none; margin-bottom: 30px; list-style: none; font-size: 18px; line-height: 32px; color: rgb(51, 51, 51); word-break: break-all; font-family: PingFangSC-Regular, Helvetica, Arial, "Microsoft Yahei", sans-serif;'><span style='font-size: 16px;'> 政府部门相关负责人和科学家说，正在研究制定克隆牛相应后续保障措施，会循序渐进地从较低海拔向较高海拔递进，使其逐步适应高原正常生活。</span></p><p style='text-size-adjust: none; margin-bottom: 30px; list-style: none; font-size: 18px; line-height: 32px; color: rgb(51, 51, 51); word-break: break-all; font-family: PingFangSC-Regular, Helvetica, Arial, "Microsoft Yahei", sans-serif;'><span style='font-size: 16px;'> 下一步，将攻克高原环境下克隆牛生产体系缺乏的难题，探索在西藏本地克隆母牛，补充和丰富保种牛群血统，常规保种技术与克隆技术相结合，构建完善的雪域高原牛种遗传资源保护利用体系。</span></p><p style='text-align: right; text-size-adjust: none; margin-bottom: 30px; list-style: none; line-height: 32px; word-break: break-all;'><span style='letter-spacing: 0.544px; widows: 1; caret-color: rgb(51, 51, 51); background-color: white;'><font size="1" style='' face="微软雅黑" color="#c0c0c0">来源/新华社、秦闻APP</font></span></p><p style='text-align: center; text-size-adjust: none; margin-bottom: 30px; list-style: none; line-height: 32px; word-break: break-all;'><img src="https://www.yewn.cn/data/attachment/forum/202401/30/090528b8ecwg1cyb6443n6.png"></p><p><br></p><p style='display: none;'><mp-style-type data-value="3"></mp-style-type></p></div> 见牛思羊，多利 中国的科技力量确实牛 祝贺祝贺 反人类的行为{:14_515:}{:14_515:} 克隆羊多莉已经销声匿迹了 中国科技确实牛 中国科技确实牛
页:
[1]