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This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute?

 

It sure is a pig-eat-anchovy world out there. While that may sound like a joke, the results of a newly released study say it's no laughing matter. Farmers are fattening1 up their animals with anchovies2 and sardines3 at an alarming rate. In fact, one-third of the world's commercially harvested seafood4 now is used to feed pigs, chickens and farm-raised fish.

 

Researchers from the University of British Columbia and Stony5 Brook6 University spent nine years compiling data on how humans caught, processed and consumed seafood. They report that 37 percent of all the fish caught are small forage7 fish like sardines and anchovies. And 90 percent of that catch ends up as fishmeal or fish oil, used primarily in animal feed. Forage fish are popular because they can be caught in massive quantities and sold at cheap prices. But, researchers say, these fish support the marine8 food web, and they’re nutritious9 staples10 for coastal-dwelling people in developing countries. So it might be time to rethink the menu. If you feed a pig a fish, it'll eat for a day. But if you feed fish to millions of pigs, well, you might just run out of fish.

 

Thanks for the minute for Scientific American's 60-Second Science. I'm Adam Hinterthuer.

 


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1 fattening 3lDxY     
adj.（食物）要使人发胖的v.喂肥( fatten的现在分词 )；养肥（牲畜）；使（钱）增多；使（公司）升值
参考例句：
  • The doctor has advised him to keep off fattening food. 医生已建议他不要吃致肥食物。 来自《简明英汉词典》
  • We substitute margarine for cream because cream is fattening. 我们用人造黄油代替奶油，因为奶油会使人发胖。 来自《简明英汉词典》
2 anchovies anchovies     
n. 鯷鱼，凤尾鱼
参考例句：
  • a pizza topped with cheese and anchovies 奶酪鳀鱼比萨饼
  • Pesto, mozzarella, parma ham, sun dried tomatoes, egg, anchovies. 核桃香蒜，马苏里拉，巴马火腿，干番茄，鸡蛋，咸鱼。
3 sardines sardines     
n. 沙丁鱼
参考例句：
  • The young of some kinds of herring are canned as sardines. 有些种类的鲱鱼幼鱼可制成罐头。
  • Sardines can be eaten fresh but are often preserved in tins. 沙丁鱼可以吃新鲜的，但常常是装听的。
4 seafood 7j6zUl     
n.海产食品，海味，海鲜
参考例句：
  • There's an excellent seafood restaurant near here.离这儿不远有家非常不错的海鲜馆。
  • Shrimps are a popular type of seafood.小虾是比较普遍的一种海味。
5 stony qu1wX     
adj.石头的，多石头的，冷酷的，无情的
参考例句：
  • The ground is too dry and stony.这块地太干，而且布满了石头。
  • He listened to her story with a stony expression.他带着冷漠的表情听她讲经历。
6 brook PSIyg     
n.小河，溪；v.忍受，容让
参考例句：
  • In our room we could hear the murmur of a distant brook.在我们房间能听到远处小溪汩汩的流水声。
  • The brook trickled through the valley.小溪涓涓流过峡谷。
7 forage QgyzP     
n.(牛马的)饲料，粮草；v.搜寻，翻寻
参考例句：
  • They were forced to forage for clothing and fuel.他们不得不去寻找衣服和燃料。
  • Now the nutritive value of the forage is reduced.此时牧草的营养价值也下降了。
8 marine 77Izo     
adj.海的；海生的；航海的；海事的；n.水兵
参考例句：
  • Marine creatures are those which live in the sea. 海洋生物是生存在海里的生物。
  • When the war broke out,he volunteered for the Marine Corps.战争爆发时，他自愿参加了海军陆战队。
9 nutritious xHzxO     
adj.有营养的，营养价值高的
参考例句：
  • Fresh vegetables are very nutritious.新鲜蔬菜富于营养。
  • Hummingbirds have discovered that nectar and pollen are very nutritious.蜂鸟发现花蜜和花粉是很有营养的。
10 staples a4d18fc84a927940d1294e253001ce3d     
n.（某国的）主要产品( staple的名词复数 )；钉书钉；U 形钉；主要部份v.用钉书钉钉住( staple的第三人称单数 )
参考例句：
  • The anvil onto which the staples are pressed was not assemble correctly. 订书机上的铁砧安装错位。 来自辞典例句
  • I'm trying to make an analysis of the staples of his talk. 我在试行分析他的谈话的要旨。 来自辞典例句

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