粉红背鹈鹕的饲养与繁殖
为了研究粉红背鹈鹕的自然繁殖情况,将5只(2♂3♀)成体粉红背鹈鹕饲养在内有小岛的1500 m2湖中,通过饲料选择与搭配、投喂方式、行为观察、巢材选择等饲养手段,辅助粉红背鹈鹕的自然繁殖。结果显示:2017年粉红背鹈鹕共产卵3枚,其中弃卵1枚。平均卵重量约17472 g,长径约9274 mm,短径约5716 mm。粉红背鹈鹕幼雏出壳后不会吃食,必须由亲鸟用撕碎的肉条或乳糜哺育幼雏。30—90日龄幼鸟发育较快,躯干发育、喙部发育明显。100日龄能短距离飞翔。...
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Main Author: | 李毅苑徐义强刘志成 |
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Format: | Article |
Language: | zho |
Published: |
Editorial Department of Chinese Journal of Wildlife
2020-01-01
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Series: | 野生动物学报 |
Subjects: | |
Online Access: | http://ysdw.nefu.edu.cn/thesisDetails?columnId=67052176&Fpath=home&index=0 |
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