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Now it's not uncommon, by the way, for laboratory animals in these studies to triple their body weight.
顺便说下,在实验室,让动物体重变成普通的三倍,并不罕见
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It is, of course, important if you use animal testing to treat the animals with as much dignity as possible.
如果要用动物做实验的话，请给予这些动物最大的尊严，我认为一点十分重要。
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You can produce animals that have a disease that's similar in some ways to Alzheimer's disease by taking the genes that are involved in Alzheimer's and introducing them into mice, for example.
我们可以创造,带有类似病症的实验动物,比如说通过把阿尔茨海默氏症相关基因,导入小鼠的方法
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So the fact is those lab animals have a hard-wired preference for foods that are high in fat and high in sugar, primarily because of the energy density that those foods bring to one, and then the variety is important because you get a mix of nutrients.
事实上 实验动物对高脂肪高糖的食物,有着强烈的偏爱,而这种爱基于,该类食物能给我们提供高能量,多样性很重要,因为你能摄取多种营养
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Opponents of animal testing are quick to point out that it's not a humane way to learn scientific facts.
动物实验的反对者很快就指出，利用这种方法得到科学事实是不人道的。
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It only works within species. So, in another experiment they put a rabbit in the other room and the chimpanzee would slap the lever repeatedly to make the rabbit scream in pain and jump.
这种结果只出现在同种动物上，在另一个实验里,他们在另一个房间放一只兔子,结果黑猩猩不停地拍杠杆,让兔子痛得上跳下窜，大声尖叫。
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Let me ask another question, if you give this-- and we'll talk about this in a later lecture, but if you give this diet to laboratory animal-- rats, mice, whatever-- it's very common for animals to gain a good bit of weight when given access to this diet.
我们来看另一个问题,如果你给,我们将在以后的课上讨论这个话题,但如果你给实验室动物,像小白鼠之类的,给予某种类型的饮食,这种饮食习惯会使得体重增加
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I strongly believe that reasonable animal testing is a good thing for society overall.
我坚持认为，合理的动物实验是可以造福社会的。
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And we could not preserve the quality of human life
如果不使用动物做实验，我们就难以保持人类的生活质量，
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because of the use of animals in scientific experimentation.
原因就是我们在科学实验中运用了动物。
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What do you think about animal testing?
你是怎样看待动物实验的呢？
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So although it is controversial,
尽管动物实验具有争议性，
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And there are three properties of this diet that help promote overeating and obesity in laboratory animals.
而这种导致实验室动物,过度进食和肥胖的饮食具备三种特征
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So this diet, although it's processed by a company and sold for people doing animal studies, it more or less mimics what these animals might be eating under natural conditions.
尽管这些食物经过商业加工,并用于动物科学研究,但会尽可能的模拟,实验动物在自然环境下的饮食
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