通过模拟常压低氧和高海拔增氧孵化试验，研究了氧气浓度对低地良种鸡蛋胚胎死亡率和孵化率的影响。
Incubation experiments in simulated normobaric hypoxia condition and at high altitude with adding oxygen were conducted to explore influences of oxygen on embryonic mortality of chicken.
用降雨机增氧，能有效提高孵化用水的溶氧水平，改良水质，使孵化生产顺利进行。
Using rainmaking machine to increase the dissolved oxygen can effectively raise its level and improve the water quality, so that the incubation can go on well.
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