热带、亚热带牧草银合欢的开发利用——涠洲岛黄牛、山羊瘤胃液的接种转移及我国 DHP—降解细菌资源的发现  

EXPLOITATION AND UTILIZATION OF TROPICAL AND SUBTROPICAL FORAGE LEUCAENA INFUSION AND TRANSFER OF THE RUMEN FLUID OF WEIZHOU CATTLE AND GOAT AND DISCOVERY OF THE DHP-DEGRADING BACTERIA IN CHINA

作　　者：汪儆[1] 雷祖玉[1] 冯学勤[1] 何胜才[1] 黄增法 王运芳 

机构地区：[1]中国农业科学院畜牧研究所,北京100094 [2]广西壮族自治区北海市农牧局,北海536000

出　　处：《草业科学》1992年第1期20-23,共4页Pratacultural Science

基　　金：本研究为国家自然科学基金资助课题。

摘　　要：本研究将广西北海市涠洲岛黄牛和山羊的瘤胃液用胃管分别接种转移到广西大陆地区采食100%银合欢的合浦黄牛和山羊的瘤胃中,观察能否使其尿中排出的毒素 DHP 浓度下降或不再排出。结果表明,在接种后第3或第4日12头合浦黄牛尿中DHP 浓度分别由0.22%和0.21%下降至0,2头合浦山羊尿中 DHP 浓度分别由0.42%和0.52%下降至0。由此可见,我国广西涠洲岛黄牛和山羊瘤胃中都存在可使银合欢脱毒的 DHP—降解细菌资源。The objective of the experiment is to find out whether the concentration of toxin DHP in cattle and go- at's urine could be decreased gradually or to zero.The rumen fluid of a cattle and a goat in Weizhou Island, Beihai City,Guangxi Zhuang Autonomous Region,was infused into the rumens of 2 Hepu cattle and 2 Hepu goats in Guangxi continental area fed a 100% Leucaena diet through a stomach tube,respectively. The results showed that at day 3 or 4 after infusion,the DHP concentration in the urine of 2 Hepu cat- tle decreased from 0.22%and 0.21%to0%,and of 2 Hepu goats from 0.42% and 0.52% to 0%,respec- tively.Therefore it is concluded that there is“DHP—degrading bacteria”in the rumens of both cattle and go- ats in Weizhou lsland,Guangxi,China.

关 键 词：银合欢 利用 瘤胃液 

分 类 号：S541.909.9[农业科学—作物学]