Prevalence of Escherichia coli O157:H7 in gallbladders of beef cattle

被引：25
|
作者：
Reinstein, S. [1 ]
Fox, J. T. [1 ]
Shi, X. [1 ]
Nagaraja, T. G. [1 ]
机构：
[1] Kansas State Univ, Coll Vet Med, Dept Diagnost Med & Pathobiol, Manhattan, KS 66506 USA
来源：
APPLIED AND ENVIRONMENTAL MICROBIOLOGY | 2007年 / 73卷 / 03期
关键词：
D O I：
10.1128/AEM.02037-06
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
Gallbladders and rectal contents were collected from cattle (n = 933) at slaughter to determine whether the gallbladder harbors Escherichia coli O157:H7. Both gallbladder mucosal swabs and homogenized mucosal tissues were used for isolation. Only five gallbladders (0.54%) were positive for E. coli O157:H7. Fecal prevalence averaged 7.1%; however, none of the cattle that had E. coli O157:H7 in the gallbladder was positive for E. coli O157:H7 in feces. Therefore, the gallbladder does not appear to be a common site of colonization for E. coli O157:H7 in beef cattle.
引用
收藏
页码：1002 / 1004
页数：3
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