| bacterial agents detected in a 10-year study of bovine abortions and stillbirths. | in a 10-year survey started in 1980, specimens from 8,995 bovine abortions and stillbirths were submitted to the south dakota animal disease research and diagnostic laboratory. of these, 8,962 were suitable for some type of examination. bacteria were determined to be the cause of 1,299 (14.49%). the 5 bacteria most commonly associated with bovine abortion or stillbirth were actinomyces pyogenes, 378 (4.22%); bacillus spp., 321 (3.58%); listeria spp., 121 (1.35%); escherichia coli, 98 (1.09%); an ... | 1993 | 8466983 |
| verotoxigenic escherichia coli in slaughter cattle and ground beef in south dakota. | | 1997 | 9191996 |
| 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 |