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解惑“大BBBw大BBBW另类”-知识课堂

福建首次对花大BBBw大BBBW另类鲈注射芯片 推进优种繁育与产业升级

来源: 中国商报
2024-12-20 05:39:50

最佳回答

“大BBBw大BBBW另类”福建首次对花大BBBw大BBBW另类鲈注射芯片 推进优种繁育与产业升级

  中新大BBBw大BBBW另类网宁德12月19日电 (夏大BBBw大BBBW另类岩缘 陈永远)在福建省宁德福鼎市店下镇巽城村的花鲈养殖基地里,一场关于花鲈生长基因组选择育种技术的研发实验正在开展,只见工作人员拿起注射器,对准花鲈背鳍下方1至2厘米的位置,轻轻一推,一个米粒大小的圆柱体芯片便悄然进入鱼身,而这也是福建省首次对花鲈注射芯片,用于开展优种繁育工作。

技术人员向鲈鱼注射芯片。 夏岩缘 供图

  “这个小小的圆柱体就是花鲈的选育芯片。”福建农林大学海洋学院副教授邵光明指着长仅0.7厘米的芯片介绍,每个芯片都有一个编码,相当于花鲈的专属“身份证”,它也将成为技术人员选拔、定位花鲈基因“优等生”的有效凭证。

  在实验现场,工作人员还小心翼翼地剪下花鲈尾鳍上的部分组织放入试管,以便后期对每条鱼的基因组进行测序,并通过追踪搭载芯片的花鲈生长情况,从中选择具有优良生长性能的花鲈进行繁育。

芯片只有米粒大小。 夏岩缘 供图

  邵光明表示,目前巽城村周边海区平均水温为15度左右,海域水质优良,病害发生率较低,因此眼下进行该实验最为合适。

  据悉,此次实验由福建闽威实业股份有限公司与福建农林大学海洋学院的师生团队共同组织开展。福建闽威实业股份有限大BBBw大BBBW另类公司总经理汪晴称,希望通过此次花鲈生长基因组选择育种技术的研发,培育出具有优良生长性能和抗病能力的新品种花鲈,更好地推动花鲈种业科技创新和产业升级。

技术人员剪下尾鳍部分组织用于基因测序。 夏岩缘 摄

  作为“中国鲈鱼之乡”,福鼎市盛产的鲈鱼,以个大肥美,肉嫩味鲜闻名。近年来,该市深入实施“海洋强市”战略,持续推动渔业种业振兴行动,围绕鲈鱼种业创新不断强化科研攻关,建设福建省花鲈水产良种场,通过深化企校合作,成功掌握花鲈生殖调控和室内人工育苗技术,实现鲈鱼产卵周期由1年1次提升至1年3次,每年培育优质鱼苗超1亿尾。

  此外,福鼎市还在鲈鱼生态化养殖、精深加工以及文化推广等方面下足功夫,让一尾鲈鱼“游”出了一条富民产业链。目前,福鼎市培育的优质鲈鱼苗数量占全国市场的六成,鲈鱼养殖面积达11.5万亩,年总产值突破25亿元。(完)

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