Even farmed fish and shrimps are fed a part-grain diet.
甚至农家鱼和基围虾的饲料也得需要粮食。
The world produced 48m tonnes of farmed fish in 2005, worth $71 billion.
2005年世界生产了4800万吨养殖鱼，价值710亿美元。
He says it's important to find ways of increasing production of farmed fish.
他说，寻找方法让人工养殖鱼类增加产量非常重要。
To his surprise, some farmed fish actually meets Seafood Watch's rigorous standards.
但是令他吃惊的是，一些养殖的鱼实际上符合严格的标准看的海鲜。
There have long been concerns about farmed fish, just as with other massed produced and processed foods.
一直以来，人们都对批量生产的食物和加工过的食物表示担忧，对大规模养殖的鱼类也是如此。
The risk of transmission of BSE to humans who eat farmed fish would appear to be low because of perceived barriers between species.
由于之前所认为疯牛病在物种之间存在壁垒，所以认为对人类吃养殖鱼类而被传播疯牛病的危险似乎是很低。
Farmed fish are also prone to parasites, one of which, Gyrodactylus salaris, has infected about 10% of Norway’s rivers, wiping out the wild salmon.
养殖场也易遭寄生虫的侵害，三代虫病是其中之一，挪威的河流大约10％被其感染，灭绝了野生鲑鱼。
The fact that no cases of Creutzfeldt Jakob disease have been linked to eating farmed fish does not assure that feeding rendered cow parts to fish is safe.
事实上没有一个克雅氏病案例与食用养殖鱼类有关，但并不能保证牛的副产品饲养鱼是安全的。
Critics say that no sterilization system is perfect, farmed fish invariably escape and the impact of a genetically engineered salmon on wild stocks is unknown.
批评者认为没有绝育系统是百分之百有效的，饲养的鱼类将不可避免地逃出来。同时，这种基因工程三文鱼对野生三文鱼的冲击也是未知的。
For aquaculture, they affect the performance of farmed fish, help fish farmers satisfy consumer demands and even influence how farmed and wild fish interact in nature.
就水产养殖来讲，鱼类遗传资源会影响养殖鱼的性能，有助于养殖渔民满足消费者的需求，甚至可以影响养殖鱼类与野生鱼类在自然环境中相互作用的方式。
A huge variety of fish, including cod, bream, mussels, salmon and sturgeon, is being farmed, providing food for people all over the world.
非常多的鱼类已被养殖，包括鳕鱼、鲤科鱼、贻贝、鲑鱼和鲟鱼，为世界各地的人们提供了食物。
Equally, when the Chicago researchers looked at fish, they found that farmed prawns were even more carbon-intensive than grain-fed lamb and beef, with 30.86g per Kcal.
同样，当芝加哥的研究者研究鱼类时，他们发现养殖对虾比谷物饲养的羊肉和牛肉有更高的碳强度，每大卡30.86克。
A huge variety of fish, including cod, crayfish, bream, halibut, mussels, salmon, sea bass and sturgeon, are all farmed, providing jobs and food for people all over the world.
非常多的鱼类已被养殖，包括鳕鱼、小龙虾、鲤科鱼、大比目鱼、贻贝、鲑鱼、黑鲈和鲟鱼，为世界各地的人们提供了食物和工作岗位。
If fish are to be farmed in ever greater Numbers, most had better be plant-eaters.
如果以更大的数量养鱼，最好是饲养植食鱼类。
Certainly fish processors are happy to have you believe this, but in reality much of what is sold in supermarkets is actually farmed Salmon.
无疑地，鱼类加工商很高兴你有这一想法。但事实上大多数在超级市场出售的都是人工繁殖鲑鱼。
First, insects could be used to feed farmed animals such as chicken and fish which eat them naturally.
首先，昆虫可能用来喂养饲养动物，如鸡和鱼，它们本来就吃虫子。
It takes up to three kilos of fish meal to add one kilo to the weight of a farmed salmon.
增加养殖鲑鱼一千克的重量需要至少三千克鱼粉。
It takes at least three kilos of fish meal to add one kilo to the weight of a farmed salmon.
增加养殖鲑鱼一千克的重量需要至少三千克鱼粉。
The omega-3 fats in fatty fish like salmon can help reduce the risk of sudden-death heart attacks. And wild-caught salmon has less PCB contaminants than farmed salmon.
含有脂肪的三文鱼可以防止心脏病的突发，而且野生三文鱼比起人工饲养的三文鱼来说受到更少的污染。
Three herbivorous fish were farmed by freshwater, while mercury in Bighead carp and Bluntsnout bream were higher than Grass carp.
草食性的三种鱼类均为淡水养殖，团头鲂与鳙鱼的含量显著高于草鱼。
Equally, when the Chicago researches looked at fish, they found that farmed prawns were even more carbon-intensive than grain-fed lamb and beef, with 30.86g per Kcal.
同样，当芝加哥的研究者研究鱼类时，他们发现养殖对虾比谷物饲养的羊肉和牛肉有更高的碳强度，每大卡30.86克。
It takes three to five pounds of caught fish to make one pound of farmed salmon.
生产一磅养殖鲑鱼需要三到五磅的捕捞鱼类。
This is why food does not grow in plenty, and humans have learned to rely upon artificial fertilizers to force the plants to grow. Now are also hatcheries in which fish are farmed.
这就是为什么食物不能充足成长的原因，而人类已学会依赖化肥去逼迫植物成长。
By 2020 the world will be eating more farmed than wild fish, Marine bacteria may yield the cure for cancer and deep-sea bacteria may be exploited to gobble up oil spills.
与更耕种的野生的鱼相比较，到2020年世界将吃，海上细菌可以产生治疗癌症的药，深海细菌可能被利用贪婪地吃漏油。
By 2020 the world will be eating more farmed than wild fish, Marine bacteria may yield the cure for cancer and deep-sea bacteria may be exploited to gobble up oil spills.
与更耕种的野生的鱼相比较，到2020年世界将吃，海上细菌可以产生治疗癌症的药，深海细菌可能被利用贪婪地吃漏油。
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