大刺鳅新品系“广联1号”培育成功!广东唯一省级水产原种场即将亮相水产种博会
11月16日,在江门开平市月山镇,水即广东联一水产科技发展有限公司(以下简称“联一水产”)省级水产原种场揭牌,种场种博这也是亮相广东唯一一家省级水产原种场。在当天,水产还举办了联一水产与广州大学“产学研”签约仪式,广联1号双方将就大刺鳅种质资源保护,大刺良种扩繁,鳅新健康养殖等方面进行深入合作,品系培育为推动这一优良产业发展而努力。
江门是广东重要的水产产区,联一水产专注于水产种苗繁育与养殖,主营大刺鳅和黄颡鱼苗种,拥有850亩的育苗场和13600亩的养殖合作水面,在当地及珠三角地区赢得良好口碑。
资料显示,大刺鳅是一种环境适应能力较强的鱼类,但由于多年来捕捞压力过大,江河环境被污染等原因,野生大刺鳅资源遭到严重破坏,被广东、福建、贵州等省列入重点保护的野生水生动物。
据悉,为保护大刺鳅的种质资源,探索品种开发利用,从十年前开始,联一水产与广州大学生命科学学院舒琥教授团队开始合作,在开平潭江等流域收集大刺鳅野生群体,对华南及邻近地区各流域大刺鳅的遗传多样性进行了检测和评价,建立长期产学研合作,开展了大刺鳅的种质资源保护和新品种(系)选育工作。
“现在,我们的工作已初见成效,一方面保存的亲本种群持续增长,另一方面人工繁育技术不断成熟,现在已能小批量供应养殖。”联一水产负责人崔明祥介绍,通过和舒琥教授团队合作,经过十年大刺鳅的选育和保种工作,现在已成功培育出生长速度更快的大刺鳅新品系“广联1号”,目前亲本达1万多尾,并计划在明年申报水产新品种。
舒琥介绍,“广联1号”以生长速度和抗逆性能为主要选育指标,采用群体选育技术、现代分子生物学技术及多组学技术相结合的多种育种手段,经过多代连续选育,具有生长快、肉质好的优势。接下来,他将继续与联一水产等深化合作,科教融合、产教协同,推进选择育种、杂交育种、全雄单性育种及分子设计育种等多种选育路线,为大刺鳅产业化筑牢种业根基。
11月24-26日,联一水产将参加第四届中国水产种业博览会暨首届广东(国际)现代化海洋牧场产业大会。届时,“广联1号”以及黄颡鱼、甲鱼等苗种将登场亮相,为水产行业供应更多优质种苗,助力水产种业振兴。
【记者】孙岁寒
【来源】南方农村报
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