在动物培育方面，这种瓶颈已然显现：火鸡已经肥胖到无法行走的地步，鸡禽生长速度过快，导致应力性骨折的发生。
In animals biological limits are already clear: turkeys are so bloated that they can no longer walk; chickens grow so quickly that they suffer stress fractures.
到2000年，世界人口预计将达到70亿，但是科学家已经培育出了新的、更好的小麦、水稻和动物品种。
The world's population is expected to reach 7,000 million by the year 2000, but already scientists have produced new and better varieties of wheat and rice and animal.
其中包括培育和收获我们所食用的全部植物、动物和动物产品，以及将食品加工、包装和运输到世界各地的市场。
That includes raising and harvesting all the plants, animals, and animal products we eat, as well as processing, packaging, and shipping food to markets all over the world.
数千年的选择性培育已经造成了食用植物和动物广泛的基因改变，并非所有的改变都是好的。
Thousands of years of selective breeding have produced extensive genetic changes in the plants and animals we eat, not all of them good.
科学家还试图在动物身上栽培人体器官，寄望有一天可能将之移植回人类身体_例如科学家在老鼠背上培育人的耳朵。
Scientists also have tried to grow human organs in animals that could one day be transplanted back into humans _ like a mouse onto whose back scientists grew a human ear.
然而现在对于这块肉的味道如何还没有任何显示，因为严格的规章制度阻止任何一个人去品尝在实验室用动物生成物培育出来的组织。
There is no indication yet of how the meat tastes because strict regulations prevent anyone from consuming tissue grown in a lab which has been fed on animal products.
但是他们各自所研究的细胞类型不能用来培育基因靶向动物。
But the kinds of cells they independently studied could not be used to create gene-targeted animals.
鲍勃种植花园时在他的院子周围圈了一圈很小的篱笆，这样做是为了使他精心培育的名贵植物不受动物的践踏。
When Bob planted a garden, he put up little hedges all around the perimeter of his yard to help keep out pests that would eat the prized vegetables he worked so hard to nurture.
欧洲关于实验动物数量的法规可以回顾到1986年，很久以后，研究才开始培育第一代携带其他物种基因的动物。
The European directive on how such animals should be treated dates from 1986, long before research led to the breeding of the first creatures that carried the genes of another species.
尼克拉森成立了一家名为Humacyte的生物技术公司，并已开始按这种方法培育动物动脉。
A biotech company Niklason founded, called Humacyte, has begun animal testing on arteries grown this way.
肌肉干细胞——可通过培育形成其它肌肉细胞——是通过一个相对简单的手术从诸如奶牛或猪之类的动物上身提取出来的，而不必去杀死或严重伤害这些动物。
Muscle stem cells - which multiply to form other muscle cells - are taken from an animal such as a cow or pig in a relatively simple procedure which avoids the need to kill or seriously harm it.
通常一只还未出生的实验室老鼠很难引人关注，除非这个长毛的动物将是首个用干细胞培育出的老鼠（不涉及胚胎版细胞）。
The birth of yet another laboratory mouse is hardly worth noting — unless the furry creature is the first to be developed from stem cells that do not involve embryonic cells.
《每日邮报》-对于喜欢动物但又对它们过敏的人来说，他们的祈祷应验了。一家美国的动物公司已经培育出一种据称是“防过敏”的猫咪。
The Daily Mail - For allergic animal lovers, it's the answer to a prayer. An American firm has bred a cat it claims is' allergy free '.
1997年，绵羊多莉成为世界上首个通过克隆技术培育出来的动物。
In 1997, Dolly the Sheep was the first animal to be created through cloning.
他和他的两个同族兄弟，富足和法塔基，计划在2013年告别塔朗加去组建位于新西兰的奥拉纳野生动物公园，组建第一个培育基地。
Kibabu and two of his male offspring, Fuzu and Fataki, are scheduled to leave Taronga in 2013 to form a bachelor group at Orana Wildlife Park in New Zealand.
为了加速疫苗生产的进程，许多公司和科研机构已经发明或正在研发一套用哺乳动物细胞或者昆虫细胞来培育病毒的新体系。
To speed up the process, various companies and research groups have developed/are developing new virus-growing systems that use mammal cells or insect cells.
人工培育的大熊猫为动物园所带来的收入不可能冲抵在它们身上所花费的费用。
But the income that captive pandas can generate for a zoo is unlikely to match the expense.
假如你拿起一块多汁汉堡排，美美地咬上一口，却发现肉馅不是取自动物，而是在实验室培育出来的，有何感想？
Imagine picking up a nice juicy burger and taking a bite, only to find out that the meaty burger you're biting into didn't come from an animal - it was grown in a lab.
Jensen博士说，我们没有培育两栖动物干细胞的经验，并且我们担心会杀死我们仅有的这百十个干细胞。
"We had no experience cultivating amphibian stem cells and were worried we would kill the few hundred that we had," says Dr Jensen.
在这一研究中所报道的大部分测试是在实验室中培育的人体和动物体细胞中进行的，但研究人员还在被H 1 N 1流感病毒感染的老鼠上测试了DRACO。
Most of the tests reported in this study were done in human and animal cells cultured in the lab, but the researchers also tested DRACO in mice infected with the H1N1 influenza virus.
如果我是那位生育专家，我会利用这项技术去培育更多新的动物品种来供人们使用。
I would utilize the technique to produce more new RACES of animals that could be used by humans if I am the breeding professor.
建立了一种新的快速培育近交系动物的方法。
It established a new method of quickly cultivation inbred rats.
他们用同样的技术在实验室培育出新的动物物种甚至人类的生命。
With the same technology they can breed new species of animals and even human life in the laboratory.
在开始的研究中，为了观察矿物质和微量元素的含量，他们用两个季节三种培育方法种植的农作物喂养实验动物。
In the first study ever to look at retention of minerals and trace elements, animals were fed a diet consisting of crops grown using three different cultivation methods in two seasons.
有动物的陪伴给了他们再一次培育的机会。
Having a companion animal gives them a chance to nurture once more.
有动物的陪伴给了他们再一次培育的机会。
Having a companion animal gives them a chance to nurture once more.
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