【作者】 赵京； 肖方； 卢雁平； 张敬；

【Author】 Zhao Jing Xiao Fang Lu Yanping Zhang Jing(Beijing Zoo Beijing, 100044)

【机构】 北京动物园；

【摘要】 1996～2000年对北京动物园圈养条件下自然死亡的9种30例鹤的消化道进行了观察.测量了消化道的长度值,建立了与体长的比值关系.消化道各段的长度占体长的比值由高至低分别为:黑颈鹤、加拿大鹤、白枕鹤、丹顶鹤、蓑羽鹤、灰鹤、赤颈鹤、冠鹤、白鹤;幼鹤的胃、小肠各段与体长的比值高于成体鹤.黑颈鹤盲肠与体长的比值为37.3%,大于其他8种鹤.更多还原

【Abstract】 The article analyses 9 species (30 individual) which died from 1996 to 2000 in captivity measure the length of digestive tract. The ratio of body length to digestive tract has been bulit. The ratio of body length to digestive tract as follows from small to big: Black - necked Crane, Sand hill Crane, White - naped Crane, Red - crowned Crane, Demoiselle Crane, Crane, Sarus Crane, Balearica, Siberian White Crane. The ratio of stomach and small intestine of the young is bigger than that of adult . In black - necked crane, the ratio of caecum to body length is 37.3% , which is bigger than that of other 8 species.更多还原