鸸鹋卵人工孵化初探
JOURNAL OF ECONOMIC ANIMAL(2005)
Abstract
对1998~2002年哈尔滨北方森林动物园鸸鹋卵人工孵化条件进行综合分析,以初步确定鸸鹋人工孵化的适宜条件,结果表明,卵型指数为1.52~1.56的鸸鹋卵,孵化温度控制在36.5~37.4℃,孵化湿度为 50%~61%,孵化期失重在10%~15%之间能获得最佳孵化率和健雏率.Hoty方程计算出鸸鹋卵特异系数CSS为0.000 565(n=60).鸸鹋卵平放180°,每2 h翻1次卵,晾1次卵,翻卵角度为90°能明显提高鸸鹋出雏率和健雏率,及时熟练的人工助产是避免鸸鹋后期死亡的重要手段.
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artificial incubation
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