白鹈鹕人工孵化与育雏的研究
为了提高白鹈鹕的繁育水平,将28只白鹈鹕(12♂,16♀)饲养于内有小岛的1 500 m<sup>2</sup>的湖中,以活鱼投喂,并对白鹈鹕卵进行人工孵化和人工育雏。结果显示:2012～2014年,人工孵化34枚白鹈鹕卵,其卵重165.4～196.2 g,平均卵重为179.4 g; 卵径(94.3±4.2)(89.1～101.2)mm×(58.2±1.9)(55.5～61.0)mm; 卵形指数1.51～1.74,卵受精率33.3%～62.5%,人工孵化温度为37.1～37.4℃,湿度为55%～65%,孵化期为37～38 d,白鹈鹕受精卵在人工孵化过程有平均12.43%...
Saved in:
| Main Author: | |
|---|---|
| Format: | Article |
| Language: | zho |
| Published: |
Editorial Department of Chinese Journal of Wildlife
2015-01-01
|
| Series: | 野生动物学报 |
| Subjects: | |
| Online Access: | http://ysdw.nefu.edu.cn/thesisDetails?columnId=67070994&Fpath=home&index=0 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|