摘要
为了摸索妊娠阶段树的生活习性,为其提供适宜的生活环境以保证胎儿在其体内能够正常发育,在2~8月份间对19只哺乳期间(含一只多次)的树的生活习性进行初步研究。结果表明树的妊娠天数大多为41~45d,妊娠的第二周树的体重稍有下降,以后逐周呈明显的增加趋势,采食量也增加,但到分娩前食欲下降。
This paper studied the life custom of19tree shrews during the course of lactation from february to august.The results indicate that the gestation period of tree shrews is between41and45days.They lost weights during the second week of gestation,then the weights kept on gaining week by week.Their appetite were well,but just before parturition,they ate few or nothing.
出处
《四川畜牧兽医》
2002年第3期27-28,共2页
Sichuan Animal & Veterinary Sciences
基金
上海市科技发展基金项目<树的实验动物化和HBV转基因树的初步研究>(编号004919072)