乌鱼胃瘘手术法和其胃消化过程的观察

乌鱼胃瘘手术法和其胃消化过程的观察 THE SURGICAL OPERATION OF SETTING GASTRIC FISTULA ON OPHIOCEPHALUS SP. AND THE OBSERVATION ON THE PROCESS OF DIGESTION IN ITS STOMACH 温璋文 first-author 夏质彬 王元香 刘红 安装乌鱼（Ophiocephalus Sp.）胃瘘管手术的操作技术,基本上与哺乳动物的相同。手术切口选择在乌鱼左侧腹壁,腹鳍上方。胃瘘管安装在胃左侧囊状部分。乌鱼空腹时,胃内容物量少。食泥鳅后,胃内容物的量增加。摄食后1～3天,胃内容物酸度较高,胃蛋白酶活性也较强,4～6天胃消化基本完毕。 The surgical operation of setting gastric fistula on Ophiocephalus Sp. is in principle similar to that on mammals. The locaticn of incision was selected at the place over the left ventral fin of Ophiocephalus Sp. The gastric fistula was set into the saccate portion on the lest side of the stomach. During hungry its gastric contents was less After swallowing loaches the gastric contents increased, 1～3 days later, the acidity of the gastric contents was higher and the activity of pepsin was stronger. In 4～6 days the digestion finished. 1986-04-01 2021-04-01 4