The incubationegg weight has important impact on the duck birth weight and the whole growth period.
肉鸭入孵蛋重对出生重有重要影响，同时肉鸭出生重对肉鸭全期生长结果有重要影响。
2
In this paper are presented the oviposition, the incubation behavior and the artificial egg-changing experiment of Ardea cinerea.
本文介绍了苍鹭的产卵、孵卵行为及人工换卵实验。
3
It is discovered that the general smoke which not contains insecticide can also kill the egg. The incubation rate is only 10.8% when the egg was treated by general smoke for 1.5 h.