笼养红斑羚生态生物学的初步观察

编号 zgly0000333670

文献类型 期刊论文

文献题名 笼养红斑羚生态生物学的初步观察

作者 郭文利  裴恩乐  李仲逵  王爱善  涂荣秀 

作者单位 上海动物园 

母体文献 兽类学报 

年卷期 2004,24(1)

页码 82-83

年份 2004 

分类号 Q959.842  Q958.1 

关键词 红斑羚  笼养  生态生物学  偶蹄目  牛科 

文摘内容 This study presents the results of a demographic analysis of 20 years of birth and death records of red gorals kept at the Shanghai Zoo.The age of the first successful breeding,sex ratio at birth,seasonality of reproduction and mortality rate are presented.The females or males of red goral born in captivity can give their first birth at the age of 2 or 3 separately.The births mainly occurred from May to July and peaked in June.Ratio of females to males at birth was 2.36:1.1 The mortality rate for infants and adults were 23.1% and 11.8%,respectively while there was no sub-adult death recorded during the 20 years period.There was a definite relation between mortality rate and seasons and mainly in July。