青岛"三虾争霸" 年超16000吨养殖对虾走上餐桌
每年9月下旬开始,青岛中国对虾开始大量上市。即墨鳌山卫是虾争全国对虾交易的重要集散地之一,高峰时这里每天有十几万斤对虾运往全国各地。即墨当地养殖的霸年对虾主要是日本对虾,而在岛城的市场上,主要有日本对虾、南美白对虾、超吨餐桌中国对虾三个品种,养殖形成“三虾争霸”的局面。
在这三种对虾中,对虾中国对虾和南美白对虾外形很像,要想区分它们,可判断对虾的额剑和虾须。中国对虾的走上额剑很长,通俗来说就是长过嘴巴,而南美白对虾又称基围虾,它的额剑相对短;从虾须分辨,中国对虾的虾须相对南美白对虾更长。日本对虾则比较容易辨认,青岛虾壳硬、颜色较深,虾争并且有类似竹节的纹理,所以市场上又称“竹节虾”。
除了外形、霸年颜色不同外,超吨餐桌这三种对虾的上市时间也不尽相同。南美白对虾一般从5月初开始收获,养殖一直持续到10月,产量高、易养殖,对虾价格也比较便宜。中国对虾则多在9月底集中上市。走上日本对虾一年分两季收获,青岛春季对虾从6月下旬开始大量收获,秋季对虾在10月份会收获上市,一直持续到年底。所以喜欢吃对虾的市民,一年中从5月初到年底,都可以品尝到源源不断的鲜虾一饱口福。
中国对虾在养殖虾里面算是前辈了,也是青岛的本土虾,青岛海域捕捞的虾就是中国对虾。20世纪八九十年代,中国对虾曾独霸市场,一度难逢对手。直到20世纪90年代末,青岛在全国率先引进和推广日本对虾、南美白对虾等外来品种,开启了岛城“三虾争霸”的历史。统计资料显示,青岛一年有超过16000吨的养殖对虾走上餐桌。专家介绍,中国对虾和日本对虾属于肉食,为避免其在成长期间互相“残杀”,养殖密度较低;而南美白对虾则是多食性,成长期间互不侵犯,因此养殖密度大,产量也高。如今,随着养殖技术的升级和品种优化,中国对虾养殖开始重新焕发活力。
黄海水产研究所的水产专家介绍,自2010年以来,中国对虾“黄海3号”新品种已累计扩繁仔虾苗种10亿余尾,“黄海3号”新品种每年可培育优质亲虾10000尾以上,仔虾苗种10亿尾以上。
南美白对虾也有“科海1号”和“广泰1号”两个新品种。“科海1号”适合在我国广大海水及咸淡水区域(包括滩涂、湿地、河口地区)养殖,适应性强,生长速度较快,养殖效益比一般苗种增幅达20%。以海南和天津作为南北方的推广基地,2011年至今,累计培育“科海1号”健康虾苗300余亿尾,在辽宁、河北、天津、山东、江苏、广东、海南等均已推广养殖。“广泰1号”也适合在全国各地人工可控的海水及咸淡水水体中养殖,是兼具生长速度快、成活率高的新品种。
从20世纪90年代开始,日本对虾的养殖在即墨鳌山卫蓬勃发展,并已走出即墨到周边地方开发利用,养殖规模在全国占有较高的比例。每年到了竹节虾收获期,除了当地的日本对虾外,还会有烟台、威海、东营等省内各地养殖的竹节虾源源不断运输到这里交易,高峰期每天有十几万斤对虾销往全国各地。据介绍,每年到了6月,南方日本对虾养殖区水温较高不适合养殖,南方的客商便来到即墨采购,直到气温下降本地鲜虾收获才会离开。
-
Slot extends perfect Liverpool start5 best 'City Edition' uniforms revealed by Nike and the NBAThis tweet about Taylor Swift's vagina isn't just bizarre, it's medically incorrectThis tweet about Taylor Swift's vagina isn't just bizarre, it's medically incorrectFrom Prairie Grasslands to ManMiss America CEO resigns after sexist, offensive emails surfaceNetflix's password crackdown has so far been great … for NetflixTrump hails reported dismantling of NK missile test site21 Caves That Offer Otherworldly ExperiencesMoon gives eulogy to father of late prominent student activist
下一篇:Ruling bloc divided on foreign nannies' pay
- ·How much for Oasis tickets? Fans joke about splurging on reunion shows
- ·Ruling party holds primary for its leadership election in August
- ·Dog thrown from roof in viral video has been found alive
- ·S. Korea's nuke envoy meets British delegation over N. Korea
- ·7 Reasons to Explore Boston’s Lesser
- ·Twitter's new CEO is here to put a 'LinkedIn' corporate
- ·True wireless charging is about to become a thing
- ·S. Korean foreign minister vows to see NK denuclearization through
- ·We Bought the Cheapest DDR5 RAM Modules We Could Find, Are They Any Good?
- ·N. Korea likely to return remains of US troops this week: source
- ·886号巴士换“新衣”,“高桂”年菜畅游广州
- ·Uber messes up Facebook ad by confusing Puerto Rican and Cuban flags
- ·A global problem is preventing the wars in Ukraine and Gaza from coming to an end.
- ·S. Korea, US lawmakers discuss N. Korea, trade
- ·芦山震区 “彩虹图书角”开放
- ·石棉县 更好地解决群众关心的热点难点问题
- ·The Best AMD Ryzen Gaming Laptops (So Far)
- ·Miss America CEO resigns after sexist, offensive emails surface
- ·乡村披上“黄金甲”
- ·Korea's state pension fund to actively exercise its voting rights
- ·Ruling bloc seeks tougher sentences for deepfake sex crimes
- ·从指“枭”为“跍”说起
- ·S. Korea sends relief supplies to Laos
- ·True wireless charging is about to become a thing
- ·古物:回望时间的印记
- ·US official to visit Seoul for consultations on N. Korea
- ·US to oppose North Korean worker dispatch to occupied Ukrainian territory: State Dept.
- ·学习交流芦山地震应急抢险、过渡安置和科学重建经验
- ·芦山震区 “彩虹图书角”开放
- ·Experts advise caution over rush to declare end to Korean War
- ·广州市白云区供销联社携手6所院校15支队伍,加力提速推进“百千万工程”
- ·South Korea, US, Japan nuclear envoys condemn North Korean spy satellite launch attempt
- ·This man's 32
- ·眼耳鼻喉科省级继教项目培训在雅举行
- ·14 Heists, Robberies, and Other Great Capers
- ·S. Korea's nuke envoy meets British delegation over N. Korea