… , a high occurrence (71%) of stx sequences was found in healthy cattle from Rio de Janeiro
… Differences on the stx frequency between beef and dairy cattle were also observed in this …

… of O157 STEC is usually high in dairy cattle, while high … described the occurrence of STEC
in 71% cattle from Rio de … survey on the STEC occurrence in healthy cattle in RJ during …

… In six studies, the presence of STEC in beef was assessed, with … However, any data about
the frequency of STEC isolation … present review demonstrated high STEC contamination rates …

… prevalence of STEC in healthy dairy cattle (lactating cows and … A higher prevalence of STEC
in young cattle has been related … The frequency of eae was similar in dairy cows and heifers. …

… a high number of cases of human STEC infections and because of the lack of data on the
occurrence of STEC in cattle … Escherichia coli isolated from raw beef products in Rio de Janeiro …

… the prevalence of STEC strains in healthy young beef steers (14… young beef steers, finished
by grain fed, presented a high … the real incidence of this serotype in beef cattle in our country. …

… Another objective of this study was to characterize STEC from dairy cows for their virulence
… 2002) reported a high frequency (55·8%) of eae‐positive STEC isolates from healthy cattle in …

… enables the prediction of possible risk for public health. … In the present study, we report on
the rate of isolation of STEC … A high diversity of STEC serotypes was identified in both dairy …

… of STEC in beef cattle, and (ii) determine the potential health … older cattle and the highest
prevalence rates in middle-age cattle (… Occurrence of Shiga toxin–producing Escherichia coli in …

… currently applied, to focus on the occurrence of STEC in beef. … to the high prevalence and
the main source of STEC in cattle … with major impact on public health was caused by the O157: …