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2龄前扬子鳄肠道的年龄结构变化
引用本文:张盛周,聂继山,吴孝兵,陈壁辉,王朝林,谢万树.2龄前扬子鳄肠道的年龄结构变化[J].动物学杂志,1999,34(5):30-33.
作者姓名:张盛周  聂继山  吴孝兵  陈壁辉  王朝林  谢万树
作者单位:1. 安徽师范大学生物系,芜湖,241000
2. 安徽省扬子鳄繁殖研究中心,宣州,242000
摘    要:光镜下,用组织学和组织化学的方法对四个不同年龄段扬子鳄不同肠段进行了研究。扬子鳄肠道长度随年龄增大而增加,相对长度从初生至8月龄逐减,从8月龄至2龄增大。肠道各项组织学参数绝对值均年龄增长而增加,相对值从初生至5月龄变化很大,5月龄至2龄变化不明显。

关 键 词:扬子鳄  肠道  年龄变化

INTESTINAL STRUCTURE OF ALLIGATOR SINENSIS BEFORE TWO YEARS OLD
ZHANG Sheng-Zhou,WU Xiao-Bin,CHEN Bi-Hui,NIE Ji-Shan,WANG Chao-Lin,XIE Wan-Shu.INTESTINAL STRUCTURE OF ALLIGATOR SINENSIS BEFORE TWO YEARS OLD[J].Chinese Journal of Zoology,1999,34(5):30-33.
Authors:ZHANG Sheng-Zhou  WU Xiao-Bin  CHEN Bi-Hui  NIE Ji-Shan  WANG Chao-Lin  XIE Wan-Shu
Abstract:The intestines of Alligator sinensis of four different ages were studied by histological and histochemical methods under light microscope.The intestine length increased with the increase of age,the relative length of intestines decreased from the newborn chinese alligators to those of 8\|month of age,increased from those of 8\|month of age to those of 2\|year of age.The absolute value of the histological parameters of intestines increased with the increase of age.Their relative value changed significantly from the newborn alligators to those of 5\|month of age,but not significantly from those of 5\|month of age to those of 2\|year of age.The level of PAS\|reaction also increased with the increase of age.The PAS\|reaction level was different between the newborn alligators and 5\|month\|old alligators,and changed little from the alligators of 5\|month of age to those of 2\|year of age.It can be concluded that the intestines of newborn alligators were undeveloped.According to the results,we gave some advice to artificial culture of chinese alligators.
Keywords:Alligator sinensis\  Intestinal structure\ Different ages
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