生物钟控制动物吃东西、睡眠及繁殖的时间：生物钟有助于动物适应四季的变化，这一点极其重要。
This clock governs when an animal eats, sleeps and reproduces: it is hard to overstate how important it is at helping animals adapt to changing conditions throughout the seasons.
专家说所有幸存的动物以及它们繁殖的后代都是野生的，为了避免它们的数量每年双倍的增加，这些动物都会被细致的管理控制宰杀。
Experts say all the surviving animals and their descendants are now wild, and to avoid the population doubling every year the animals are subject to a carefully managed cull.
就像收获庄稼一样，野生动物有时候也必须被“收获”，通过允许有限的捕猎，好的管理部门能控制某些物种，使它们不至因过度繁殖而威胁到栖息地。
Just as crops are harvested wildlife too must sometimes be "harvested". By allowing limited hunting, good management can control certain species that threaten to overpopulate their habitat.
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。
If you are responsible, you will assist in population control and not allow your animals to over breed.
了解卵泡发育动态及其调控机理对于提高动物繁殖率和控制人类生育，都具有重要的意义。
A better understanding of follicular dynamics and its regulation is of great importance both for the improvement of animal reproductive productivity and birth control in human beings.
就像庄稼收获一样，野生动物有时候也必须被“收获”，通过允许有限的捕猎，好的管理部门能控制某些物种使他们不至因过度繁殖而威胁到他们的栖息地。
Just as crops are harvested, wildlife too must sometimes be "harvested". By allowing limited hunting, good management can control certain species that threaten to overpopulate their habitat.
遗传学控制在非人灵长类动物人工繁殖种群诸多管理环节具有至关重要的作用。
Genetic control is an important component of the general management of nonhuman primate colonies.
遗传学控制在非人灵长类动物人工繁殖种群诸多管理环节具有至关重要的作用。
Genetic control is an important component of the general management of nonhuman primate colonies.
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