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Back浙江湖州:一尾“淡水虾王”铺就水乡特色共富路
浙江湖州:一尾“淡水虾王”铺就水乡特色共富路
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中国新闻网1 hour agoBusiness5 min readChinaView translation

浙江湖州:一尾“淡水虾王”铺就水乡特色共富路

当地攥紧水产种业“芯片”,从成虾销售到种业攻关助力农户增收

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浙江湖州吴兴区迎来罗氏沼虾新一轮繁育季。当地依托自主培育的“南太湖3号”良种,推进水产种业攻关与数字化繁育,不仅打破国外垄断并覆盖全国20余个省份,还带动上百位农户实现人均年增收约10万元。

AI-generated summary

Why It Matters

罗氏沼虾自1976年引入中国,浙江湖州通过持续育种攻关打破国外垄断,培育出“南太湖2号”和“南太湖3号”等良种。

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中新网湖州10月3日电(黄彦君 吴明宪)清风拂过浙江湖州的连片水产养殖塘口,水面泛起阵阵涟漪。碧水之下,有着“淡水虾王”之称的罗氏沼虾在池中铆足劲头生长。从成虾销售到种业攻关,当地攥紧水产种业“芯片”,用一尾沼虾铺就水乡特色共富路。

一大早,一辆水产运输车驶入湖州市吴兴区八里店镇潞村的一处水产种业基地。车里满载今年该基地的第一批“重要来客”——罗氏沼虾种虾。

工人们登上车顶,打开水箱仔细查验种虾活力。随后,一尾尾泛着青蓝色光泽的种虾,被稳妥送进一旁的繁育车间,开启新一年的繁育季。

浙江湖州一处水产种业基地,工人搬运罗氏沼虾种虾。吴明宪 摄

“在种虾进场之前,基地已对所有养殖场地、养殖池、工具以及输水管道开展全方位消杀工作。”基地工作人员姚剑介绍,整个繁育周期内,基地工人和技术人员会定时巡查、监测水温,严格把控温度环境,保障种虾顺利繁育。

罗氏沼虾是世界上最大的淡水虾类之一。作为全国罗氏沼虾苗种的核心集散地,湖州与罗氏沼虾“结缘”的背后,是一段种业强基、夯实农业自主发展底气的故事。

罗氏沼虾最早于1976年从东南亚引入中国,20世纪90年代初开始在两广和江浙地区推广养殖。2009年,浙江省淡水水产研究所牵头培育的“南太湖2号”罗氏沼虾通过国家水产新品种审定,成功打破国外垄断,育种工作主要在湖州开展;2022年,新品种“南太湖3号”罗氏沼虾在湖州问世,生长速度、养殖存活率进一步提高。

据介绍,“南太湖3号”虾苗适宜培育大规格商品虾,成虾单尾重量普遍在3两至5两,养殖优势显著。眼下,该良种已经覆盖全国20余个省份。每逢繁育季,湖州一座座育苗车间便满负荷运转,一批批虾苗从水乡出发,输送到大江南北的养殖塘口。

浙江湖州,罗氏沼虾种虾。吴明宪 摄

“基地本次繁育采用的就是‘南太湖3号’,今年首批引进的种虾数量约5000公斤。该品种生长速度快、抗病能力强,优质的种虾种质能够有效提升虾卵品质,让后续的孵化、育苗过程更加顺利。”上述基地负责人李蓓蕾说。

走进罗氏沼虾繁育车间,300个标准化养殖水池整齐排列。各个水池均配备增氧管道,池底还铺设了专用钢管,主要用于池水恒温加热,保障水温稳定;水面铺设绿色网片,为种虾提供攀爬、活动的空间,满足其生长习性。

作为浙江省级水产良种场,该基地与浙江省淡水水产研究所开展深度合作,依托数字化养殖技术和标准化繁育模式,每年繁育大量优质虾苗,持续供应全国各地水产养殖户。同时,该基地产业发展有效带动当地上百位农户就业,助力农户人均年增收10万元左右。

“针对排期较早的订单,基地最快可在11月中旬出苗。按照当前繁育规划,基地今年的罗氏沼虾虾苗出苗量将力争突破15亿尾。”李蓓蕾介绍,种虾进入繁育车间后,会先进行一个月的休整适应,后续出苗时间将根据市场订单需求灵活调整。

What to Watch

AI outlook — possibilities, not facts

  • 基地罗氏沼虾虾苗出苗量将力争突破15亿尾

    Likely · Within months

Open Questions

  • 今年实际出苗量是否能突破15亿尾?
  • 未来新品种研发的下一步方向是什么?

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This article was originally published by 中国新闻网.

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