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Abstract

Cattle are noted carriers of the foodborne pathogen Salmonella enterica. The perceived need to decrease the potential human health risk posed by excretion of this pathogen has resulted in numerous studies examining the factors that influence Salmonella shedding in cattle. Fecal grab (FG) samples...

Author(s)
Agga, G. E.; Arthur, T. M.; Schmidt, J. W.; Wang Rong; Brichta-Harhay, D. M.
Publisher
International Association for Food Protection, Des Moines, USA
Citation
Journal of Food Protection, 2016, 79, 4, pp 531-537
Abstract

To more fully characterize the burden of Salmonella enterica in bovine peripheral lymph nodes (PLN), PLN (n=5,450) were collected from healthy cattle at slaughter in 12 commercial abattoirs that slaughtered feedlot-fattened (FF) cattle exclusively (n=7), cattle removed (or culled) from breeding...

Author(s)
Webb, H. E.; Brichta-Harhay, D. M.; Brashears, M. M.; Nightingale, K. K.; Arthur, T. M.; Bosilevac, J. M.; Kalchayanand, N.; Schmidt, J. W.; Wang Rong; Granier, S. A.; Brown, T. R.; Edrington, T. S.; Shackelford, S. D.; Wheeler, T. L.; Loneragan, G. H.
Publisher
Frontiers Media S.A., Lausanne, Switzerland
Citation
Frontiers in Microbiology, 2017, 8, November, pp 2214
Abstract

Ground beef products have been implicated as the vehicle for the transmission of Salmonella in a number of outbreaks. Although carcass surface interventions have proven effective, Salmonella contamination in ground beef still occurs. Recent studies indicate that deep tissue lymph nodes (DTLNs) may...

Author(s)
Li, M.; Malladi, S.; Hurd, H. S.; Goldsmith, T. J.; Brichta-Harhay, D. M.; Loneragan, G. H.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Food Control, 2015, 50, pp 423-434
Abstract

Recent investigations have found that Salmonella can be routinely recovered from peripheral lymph nodes (PLNs) of cattle presented for harvest. When contained within the PLNs, this foodborne pathogen is protected from currently used postharvest, in-plant intervention strategies and, therefore, PLNs ...

Author(s)
Edrington, T. S.; Loneragan, G. H.; Hill, J.; Genovese, K. J.; He, H.; Callaway, T. R.; Anderson, R. C.; Brichta-Harhay, D. M.; Nisbet, D. J.
Publisher
International Association for Food Protection, Des Moines, USA
Citation
Journal of Food Protection, 2013, 76, 7, pp 1255-1258
Abstract

Because challenge models to infect peripheral lymph nodes (PLNs) with Salmonella have not been reported, we performed a series of experiments to develop and refine challenge models to evaluate an intervention applied at the animal level and to provide initial estimates of efficacy of an...

Author(s)
Edrington, T. S.; Loneragan, G. H.; Hill, J.; Genovese, K. J.; Brichta-Harhay, D. M.; Farrow, R. L.; Krueger, N. A.; Callaway, T. R.; Anderson, R. C.; Nisbet, D. J.
Publisher
International Association for Food Protection, Des Moines, USA
Citation
Journal of Food Protection, 2013, 76, 7, pp 1259-1263
Abstract

Bovine peripheral lymph nodes (LNs), including subiliac LNs, have been identified as a potential source of human exposure to Salmonella enterica, when adipose trim containing these nodes is incorporated into ground beef. In order to gain a better understanding of the burden of S. enterica in...

Author(s)
Gragg, S. E.; Loneragan, G. H.; Brashears, M. M.; Arthur, T. M.; Bosilevac, J. M.; Kalchayanand, N.; Wang, R.; Schmidt, J. W.; Brooks, J. C.; Shackelford, S. D.; Wheeler, T. L.; Brown, T. R.; Edrington, T. S.; Brichta-Harhay, D. M.
Publisher
Mary Ann Liebert, Inc., New Rochelle, USA
Citation
Foodborne Pathogens and Disease, 2013, 10, 4, pp 368-374
Abstract

Transportation from the feedlot and lairage at the processing plant have been identified as potential sources of Escherichia coli O157:H7 and Salmonella hide contamination. The objective of this study was to perform a comprehensive tracking analysis of E. coli O157:H7 and Salmonella associated with ...

Author(s)
Arthur, T. M.; Bosilevac, J. M.; Brichta-Harhay, D. M.; Kalchayanand, N.; King, D. A.; Shackelford, S. D.; Wheeler, T. L.; Koohmaraie, M.
Publisher
International Association for Food Protection, Des Moines, USA
Citation
Journal of Food Protection, 2008, 71, 9, pp 1752-1760
Abstract

A potential source of pathogenic bacteria in ground beef is the lymphatic system, specifically the lymph nodes. Bacteria have been isolated from the lymph nodes of cattle at slaughter; however, most studies have dealt with mesenteric lymph nodes, which are not normally incorporated into ground...

Author(s)
Arthur, T. M.; Brichta-Harhay, D. M.; Bosilevac, J. M.; Guerini, M. N.; Kalchayanand, N.; Wells, J. E.; Shackelford, S. D.; Wheeler, T. L.; Koohmaraie, M.
Publisher
International Association for Food Protection, Des Moines, USA
Citation
Journal of Food Protection, 2008, 71, 8, pp 1685-1688
Abstract

The prevalence rates of Escherichia coli O157:H7 and Salmonella at different sampling sites on cattle hides were determined at a feedlot and a processing plant. Sponge samples were collected from six hide surface sites at the feedlot (left and right shoulders, left and right ribs, back, and belly)...

Author(s)
Kalchayanand, N.; Brichta-Harhay, D. M.; Arthur, T. M.; Bosilevac, J. M.; Guerini, M. N.; Wheeler, T. L.; Shackelford, S. D.; Koohmaraie, M.
Publisher
International Association for Food Protection, Des Moines, USA
Citation
Journal of Food Protection, 2009, 72, 6, pp 1267-1271
Abstract

A significant portion (15 to 20%) of beef in the United States is produced in small beef processing plants that harvest fewer than 1,000 cattle per day. However, there are little data on the prevalence and levels of Escherichia coli O157:H7 and Salmonella in these processing plants. To address this ...

Author(s)
Bosilevac, J. M.; Arthur, T. M.; Bono, J. L.; Brichta-Harhay, D. M.; Kalchayanand, N.; King, D. A.; Shackelford, S. D.; Wheeler, T. L.; Koohmaraie, M.
Publisher
International Association for Food Protection, Des Moines, USA
Citation
Journal of Food Protection, 2009, 72, 6, pp 1272-1278

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