| enterobacteriaceae and aeromonas hydrophila in minnesota frogs and tadpoles (rana pipiens). | in 222 rana pipiens frogs and 34 tadpoles captured in and near minnesota, aeromonas hydrophila and 29 species of enterobacteriaceae, including yersinia enterocolitica and salmonella arizonae, were isolated from intestines. the prevalence of members of the family enterobacteriaceae was lowest in frogs captured in early spring and highest in frogs captured in late summer. | 1983 | 6607034 |
| prevalence of foodborne pathogens in bulk tank milk. | bulk tank milk from 131 dairy herds in eastern south dakota and western minnesota was examined for the presence of for foodborne pathogens. campylobacter jejuni, shiga-toxin producing escherichia coli, listeria monocytogenes, salmonella spp., and yersinia enterocolitica were detected in 9.2, 3.8, 4.6, 6.1, and 6.1% of bulk tank milk samples, respectively. thirty-five of 131 (26.7%) bulk tank milk samples contained one or more species of pathogenic bacteria. isolates of salmonella belonged to gro ... | 2001 | 11699446 |
| population-based surveillance for yersinia enterocolitica infections in foodnet sites, 1996-1999: higher risk of disease in infants and minority populations. | active surveillance for laboratory-confirmed yersinia enterocolitica (ye) infections was conducted at 5 foodborne diseases active surveillance network (foodnet) sites in the united states during 1996-1999. the annual incidence averaged 0.9 cases/100,000 population. after adjusting for missing data, the average annual incidence by race/ethnicity was 3.2 cases/100,000 population among black persons, 1.5 cases/100,000 population among asian persons, 0.6 cases/100,000 population among hispanic perso ... | 2004 | 15095188 |