Many animals breed only at certain times of the year.
很多动物只在一年的某个时候交配繁殖。
Even though we have the technology to track, capture, protect, and breed endangered animals, that doesn't imply that we should actually do it.
尽管我们拥有追踪、捕获、保护和繁殖濒危动物的技术，但并不意味着我们真的应该这么做。
It closed, but it sold much of its stock to the laboratory it supplied so that it could breed the animals needed in-house.
该狗场关闭了，但他把大部分的狗狗卖给了他们的实验室客户，这样，实验室就能自己饲养实验所需要的动物了。
Vets contend it's impossible for the two animals to engage in cross breed delivery.
一位兽医表示，两种动物杂交生出一种新物种是不可能的。
"We're worried that these endangered animals won't breed any more, which would hamper animal protection programmes," Berlin's animal rights association said in a statement.
柏林动物权利保护协会在一份声明中说：“真正让我们担心的是，那些濒临险境的动物将会无法繁育后代，而这也会在很大程度上妨碍相关动物保护计划的实行。”
If you are responsible, you will assist in population control and not allow your animals to over breed.
如果你有责任感，你应该协助控制动物总数，不要允许你的动物过度繁殖。
Henry Wu: You're implying that a group composed entirely of female animals will... breed?
亨利：你是暗示说一个全部是雌性动物构成的群体也会……繁殖？
Some animals will not breed in cages.
有些动物在笼子里不产崽。
They specialise in cloning cattle and pigs for medical research and breed preservation as well, particularly developing genetically-engineered animals for use as disease models.
他们擅长为医疗领域克隆牛和猪、保存好幼崽，尤其擅长培养基因工程学的动物以用作疾病研究范本。
Mongooses breed communally and individual pups form stable relationships with “escort” animals.
猫鼬在群居的环境中长大，它们的幼崽与“陪护”它们的猫鼬会形成一种稳定的关系。
Yeah, you will be able to breed animals.
是的，你可以繁殖动物。
So don't be afraid of a breed or breeder that is active in health research and testing of their breeding animals.
所以，不要担心饲养和饲养者那些活跃在健康探索和测试他们的饲养动物。
Many animals are on the verge of disappearing from the face of the Earth and zoos can provide them with a safe place to live and breed.
许多动物正处于即将从地表消失的边缘，而动物园能提供这些动物安全生活和繁衍下一代的环境。
Wild animals don't breed well in captivity.
野生动物圈养时不好繁殖。
Tarim Basin is surrounded by mountains, the huge glaciers and snow hills on the high mountains are natural reservoir, which breed the forest grassland and many kinds of animals and plants.
塔里木盆地周围群山环抱，高山上巨大的冰川雪岭是天然水库，养育了森林草原和种类繁多的动植物。
Wild animals don't breed well in captivity.
圈着的动物繁殖不好。
Henry Wu: Youre implying that a group composed entirely of female animals will... breed?
亨利：你是暗示说一个全部是雌性动物构成的群体也会……繁殖？
Their plan was to capture and separate tortoises with high levels of Pinta and Floreana DNA, and then breed animals that are genetically closest to the original species.
他们计划捕捉几只象龟，根据其携带的平塔岛象龟和弗罗里安那象龟dna数量进行区分，并对遗传学上最接近原始物种的象龟进行人工哺育。
With the same technology they can breed new species of animals and even human life in the laboratory.
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。
Great effort is made to re-create and ensure natural habitat for animals and birds to settle-down, breed, and nest.
在设计中，我们充分考虑了为动物和鸟类的定居、繁衍提供自然栖息地。
Frankly speaking, I don't think it good to cage animals. But sometimes we have to do so. Some wild animals are almost extinct, we should cage them to protect them and help them breed.
坦白说，把动物关进笼子是不好的，但是有时我们又不得不这样做，有些野生动物面临着绝种，我们应该保护它们帮助饲养它们。
Erosion is of course bad for people trying to grow crops or breed animals on that terrain.
对想要在那块地上种植庄稼或者放牧动物的人来说，土壤侵蚀当然是件坏事。
There are a lot more mixed-breed animals needing homes.
有很多的混合品种的动物没有家。
Many exhibitors continually breed the animals just so they'll have a constant supply of young animals in order to sell photo ops to people like Beyonce and Jay Z.
许多展览者一直不断地让动物繁殖，就是为了让动物幼崽能够源源不断地得到补充，以此能向碧昂斯和Jay Z这样的名人来售卖拍照的机会。
During a food shortage, many animals do not breed very well or, in some cases, at all.
在食物短缺时，很多动物的繁殖情况很差，有时甚至完全不繁殖。
During a food shortage, many animals do not breed very well or, in some cases, at all.
在食物短缺时，很多动物的繁殖情况很差，有时甚至完全不繁殖。
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