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THE GROWTH AND BREEDING HABIT OF MILU(ElAPHURU DAVIDIANUS)IN DAFENG RESERVE

YU Changqing, LIANG Chongqi,LU Jun   

  • Online:2006-07-24 Published:2008-07-07

半自然条件下糜鹿的生长发育与繁殖习性

于长青,梁崇歧, 陆军   

  1. 中国林业科学研究院森林保护研究所,北京

Abstract: In semi-natural condition of Dafeng Reserve,the difference of weight of neonatal males and females was 2.24 times that in eaptivity.The hind foot length of 4 years old was significantly more than that of introduced deer (> 5 years old).Females conceived in the third year in which the body weight was about 89 of an adult,and m ales began
to have the opportunity to copulate in the fifth year .The rutting seas on concentrated in the first half of JuneI and the gestation length was 287 days.71.2% of the births oecurred betw een M arch 16 and A pril 4 with the m edian birth date on M arch 27.The resuits discussed the biologied characteristics of wild Milu and the genetic diversity conservation.

Key words: Milu (Elaphurus davidianus), Growth and development, Reproduction

摘要: 在大丰保护区的半自然条件下,麇鹿新产仔鹿性二型差异大于圈养条件下的仔鹿;1龄幼鹿第1年生长发育迅速,其后足长已基本造成体后足长;4岁时后足长即巳显著太于引进的成体鹿。大丰雌性麇鹿3岁开始产仔,比圈养条件下晚1年,4岁时体重方达成体重。雄性5岁后方能达成体重井才有机会获得交配权。发情期主要集中于6月上、中旬,产仔期主要集中于3月中、下旬,产仔半数时间为3月27日,产仔期比圈养麋鹿更趋集中。仔鹿产后1~3天为“印记 ”的敏感期,1周龄后耶开始随群活动井有觅食行为。

关键词: 麋鹿, 生长发育, 繁殖