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谈“网红小龙虾”背后的养殖产业

2018-06-13 16:29:14 来源:农机网原创 作者:林言 阅读量:49989 评论

导读:近两年,每到了5、6月份,受欢迎、火爆的网红食品莫过于小龙虾了。这个季节长江以南的地区简直是吃小龙虾的天堂,各家餐馆店铺都在争相叫卖,食客络绎不绝。近些年随着消费升级和网络营销的快速发展,我国小龙虾产业发展迅猛,国内消费市场持续放大。火爆的小龙虾市场也带动了小龙虾产业的迅速发展。

  【中国农机网 编辑视角】近两年,每到了5、6月份,受欢迎、火爆的网红食品莫过于小龙虾了。这个季节长江以南的地区简直是吃小龙虾的天堂,各家餐馆店铺都在争相叫卖,食客络绎不绝。近些年随着消费升级和网络营销的快速发展,我国小龙虾产业发展迅猛,国内消费市场持续放大。火爆的小龙虾市场也带动了小龙虾产业的迅速发展。
 
  据6月12日农业农村部渔业渔政管理局联合全国水产技术推广总站、中国水产学会在江苏盱眙发布的《中国小龙虾产业发展报告(2018)》显示,2017年我国小龙虾养殖面积突破1000万亩,产量突破100万吨;2017年小龙虾全社会经济总产值约2685亿元,比2016年增长83.15%,其中,养殖业产值约485亿元,占社会经济总产值的18.06%。
 
  目前,小龙虾养殖已成为生态循环农业发展的主要模式之一,是新时代加快推进渔业绿色发展具活力、潜力和特色的朝阳产业。小龙虾养殖模式主要有稻虾综合种养、池塘主养、莲藕(苇)田套养、河蟹池混养、大水面人工增养殖等。其中,稻虾综合种养和池塘主养为各地主要养殖模式。
 
  稻虾共生,种养结合
 
  近年来,已有多个地区实行“稻虾共生”这种模式,它是一种将小龙虾在稻田里养殖的种养模式,这种模式能达到种养双赢的效果。龙虾在田间爬动松土,使得稻田土质不宜板结,有效防止水稻根茎腐烂,虾粪又能为水稻补充足量的养分;龙虾在稻田四处爬动,摄食害虫和虫卵,使得水稻的天敌无处存生,如此一来既能肥田又能降低水稻的病虫害,可以大幅提高稻田产值;除此之外,由于龙虾对化肥农药十分敏感,稻田不能使用化肥农药,在这种生态模式下,稻田减少农药用量超过50%,减少化肥用量超过30%,起到了明显的降本增效的作用。
 
  稻虾互利共生的复合循环种养生态模式,充分利用了稻田光、热、水及生物资源,把水田生态系统的种植业与养殖业有机结合了起来,在确保粮食稳产的前提下,形成了”一水两用,一田双收、种养双赢“的格局,大限度提高了稻田产出率,同步提升了品质和价格。
 
  人工池塘养殖:工厂化机械化
 
  工厂化、机械化是一切养殖产业扩大规模、提益的基础。小龙虾的工厂化养殖也是如此。目前我国小龙虾工厂化养殖还尚未成熟,下面笔者简单介绍一下养殖的关键。
 
  首先,育苗设施有讲究。工厂化育苗设施主要有室内孵化池、台苗池、供水系统、供气系统及应急供电设备等。繁殖池、育苗池的面积一般为12~20米²,池水1米左右,建有进排水系统及供气设施,进排水管道以塑料制品为好。
 
  其次,水源是基本也是重要的因素,它决定着水质条件和养殖成败。一般要求水源稳定、充足、清洁、卫生、水温适宜,水质良好,无任何污染,符合国家渔业水质标准,同时要求注、排水方便,且单排单注。在注、排水口要建好拦鱼网具,既避免敌害生物及野杂鱼入池,又可防止各种养殖品种的逃逸。
 
  第三,要增产须调节水质。精养池塘应配备专门的增氧机,增氧机具有增氧、搅水和曝气的功能,是目前有效的改善水质、防止浮头、提高产量的专用养殖机械之一。因此,在池塘养殖小龙虾时,高产池塘需要使用增氧机。目前,我国已生产出喷水式、水车式、管叶式、涌喷式、射流式和叶轮式等类型的增氧机,其中以叶轮式增氧机增氧效果好,在小龙虾池塘养殖中使用也广泛。
 
  结语
 
  我国人口众多,中国人自古以来讲究“民以食为天”,不管怎样,小龙虾这个生于稻田、火于网络的“网红食品”实实在在地带动了相关产业链的发展。随着消费热情的持续升温,小龙虾生产也在不断扩大。未来,希望在各产地政府的持续重视下,小龙虾养殖设施可以进一步完善,全面实现工厂化、机械化,并带动养殖、加工、运输、餐饮、节庆文化全产业链发展,使小龙虾真正成为可以走出的民族“网红食品”。
 
  本文由农机网(www.nongjx.com)原创,部分资料来源:农业农村部渔业渔政管理局、水产资料大全,如有侵权或异议请联系我们。
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