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孵化鸡蛋需要多少度啊
更新时间: 2020-11-05 00:00:00  

母鸡的正常体温是40.5℃~42℃,传导到种蛋上面一般为38.5℃左右,所以孵化的适宜温度是38℃~39℃。1~6天为38.5℃;7~14天为38℃;15天为37.9℃;16~21天为37.3~37.5℃,孵化期为21天。温度过高或过低都会影响胚胎的发育。如高于正常温度,会使胚胎过快地发育,出壳早,雏鸡软弱不易成活。如超过43℃胚胎便可能死亡。如果低于正常温度,胚胎发育缓慢,出壳晚而不齐,甚至死亡。如果低于32℃胚胎便会停止发育以至死亡。因此,在孵化过程中应根据胚胎不同的发育时期合理地调节孵化温度。

关键词: 孵化 鸡蛋 需要 多少

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