目的在稳定的饲养环境条件下，观察NIH小鼠生长繁殖能力。
Objective To observe the growth and fecundity of NIH mice under a stable raising condition.
他们很难预言，并且这样的最好不要用于饲养动物去进步饲养环境。
They can be unpredictable and the best we can do is not use for breeding animals that develop the condition.
乳制品成分含量有明显不同的是因为饲料、饲养环境及气候存在差异。
Significant variations in milk composition occur as a result of differences in feeding regime, breed, stage of lactation and climate.
以昆明动物园为例，陈述动物饲养环境、管理和繁育等方面的基本情况；
The fundamental circumstances of feeding environment, management and breeding facilities of animals were described by analyzing Kunming Zoo as an example.
为优化育种环境，从德国引进了数字化全天候饲养环境的调节与控制设备；
In order to optimize the selection environment, digital all-weather reaing environment regulation and ctntrol device has been impored from Germany.
在动物饲养管理中，动物饲养环境里温度和湿度的控制是和产出量环环相扣的。
When feeding animals, the control of temperature and humidity in the environment links its quantity of production.
因为印度星龟不能承受潮湿或长期处于高湿度的环境，所以饲养环境必须保持乾燥。
This area must be kept dry as the Star tortoise cannot tolerate wet or constant high humidity conditions.
这些异乎寻常的“煎蛋”实际上是一种特殊的水母，最近在人工饲养环境下实现了成功繁殖。
For these bizarre Fried eggs are actually a peculiar type of jellyfish that has just been successfully born in captivity.
如果饲养环境足够大时，只需要增加一个比较潮湿的泥土区域，或一个潮湿的遮蔽处或洞穴。
This can be simply an area of damper soil, if the enclosure is large enough, or a humid hide-box or cave.
此外，处于应激状态的母鸡所孵出的雏鸡似乎也受到应激，即便在十分舒适的饲养环境中也是如此。
Moreover, chicks born to stressed hens act as though they too are stressed, even when they have been raised in a poultry paradise.
结论小鼠哮喘炎症程度受饲养环境、种属、佐剂及激发方法的影响，实验设计时应予充分的注意。
Conclusion The asthmatic inflammatory degree of mice was influenced by feeding surroundings, strains, adjuvant and challenge methods, which should be considered in experimental design.
有了模拟自然光的照射，能够加强爬虫与饲养环境的亲和性，减少因环境造成的拒食和心理恐惧；
The irradiation of simulated natural light can enhance the affinity of the reptiles and the environment they are raised in, reducing the possibility of their refusal to food and inner fears;
适宜的饲养环境、宽敞的兽舍、高纤维含量和多样化的食物是豚鹿正常生长发育、繁殖的重要因素。
Suitable feed, appropriate environment, adequate space, high fiber diet and a varied diet are the most important factors in the raising and breeding of hog deer.
如果所有的动物在最初的3-4家族一代在你的狗崽子血统被测试并且发现正常说明你的小狗的饲养环境进步了。
If all animals in the first 3-4 generations of your puppy's pedigree have been tested and found normal it is unlikely that your puppy will develop the condition.
包括喂一些独特的饮食，提供一些独特的锻炼和房子，可能包括试验去废除一些饲养环境或是避免一些疾病在饲养过程。
This includes feeding a proper diet, providing proper exercise and housing and may include testing for abnormal conditions or diseases that exist in the breed.
为了验证这一假设，研究人员将处于第四和第五阶段发育期的幼年龙虾放在能够操纵牡蛎片的实验室环境中饲养。
To test this hypothesis, researchers raised lobsters in the juvenile fourth and fifth stages of development in a laboratory environment in which the lobsters could manipulate oyster chips.
这些动物是在尽量近似自然的环境下饲养的。
The animals were reared in conditions which approximated the wild as closely as possible.
初步探讨了人工饲养条件下白鱀豚声音传播与环境适应的关系。
The relationship between sound transmission and environmental adaptation of Lipotes vexillifer in captivity was preliminarily studied.
这些病毒对于野鸟通常无害或仅造成轻微感染。但对于密集环境下饲养的家禽，它们通常会造成比较严重的疾病。
In wild birds, most of these viruses are relatively harmless or cause only mild disease; however, in poultry, under crowded conditions, they can evolve to cause more severe disease.
如果你们搬到乡村去，那就尽可能在自然环境中自己饲养肉和蛋。
If you move to the country, when possible, raise your own meat and eggs in a natural environment.
这些动物-奶牛、猪、鸡、火鸡、羊-绝大多数是在可怕拥挤的工厂环境中饲养的。
The overwhelming majority of those animals - cows, pigs, chickens, turkeys, lambs - are raised in hideous, overcrowded factory conditions.
专家们认为，吃植物性产品对环境更好，因为吃肉涉及到食用动物，而动物饲养又依赖植物，这样的食物获取过程比较低效。
Experts agree that eating plant products can be better for the environment, because eating meat involves consuming animals which are themselves raised on plants, a less efficient process.
研究者们设置了三种不同的环境来饲养轮虫：一种是可获取食物质量相当高的环境，一种是质量低的环境，还有一种趋于两者的混合。
The researchers bred rotifers in three different environments: one in which the quality of available food was high, one in which it was low and one in which it was mixed.
而后，研究人员又对饲养于舒适环境中、四组鸡的幼雏进行了相同的测试。
Then the offspring of the four groups, which were all raised in comfortable surroundings, were put through the same test.
有些是在严格控制的研究环境下饲养的。
在人工饲养的环境中，已经出现了两个雄性企鹅会在选择同性而不是异性的例子。
In captivity, there have been at least two cases of male penguins choosing each other over a females companion.
巴塞罗那动物园的饲养员说苏西现在的健康状况良好不过她的居住环境确实还不够理想。
Keepers at Barcelona zoo have said Susi is in good health but admitted that her living conditions were not ideal.
巴塞罗那动物园的饲养员说苏西现在的健康状况良好不过她的居住环境确实还不够理想。
Keepers at Barcelona zoo have said Susi is in good health but admitted that her living conditions were not ideal.
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