Salmonella Prevalence and Quantification in Market Hog Lymph Nodes and Tonsils in Several Regions and Seasons of the United States.
| Autor: | Fashenpour E; Department of Animal Sciences and Industry, Kansas State University, 1530 Mid-Campus Drive North, Manhattan, KS 66506, United States., Vargas DA; Department of Animal and Food Sciences, Texas Tech University, 2500 Broadway, Lubbock, TX 79409, United States., Betancourt-Barszcz GK; Department of Animal and Food Sciences, Texas Tech University, 2500 Broadway, Lubbock, TX 79409, United States., Blandon SE; Department of Animal and Food Sciences, Texas Tech University, 2500 Broadway, Lubbock, TX 79409, United States., Sanchez-Plata MX; Department of Animal and Food Sciences, Texas Tech University, 2500 Broadway, Lubbock, TX 79409, United States., Brashears MM; Department of Animal and Food Sciences, Texas Tech University, 2500 Broadway, Lubbock, TX 79409, United States., Miller MF; Department of Animal and Food Sciences, Texas Tech University, 2500 Broadway, Lubbock, TX 79409, United States., Kang Q; Department of Statistics, Kansas State University, 1116 Mid-Campus Drive North, Manhattan, KS 66506, United States., Trinetta V; Department of Animal Sciences and Industry, Kansas State University, 1530 Mid-Campus Drive North, Manhattan, KS 66506, United States., Vipham JL; Department of Animal Sciences and Industry, Kansas State University, 1530 Mid-Campus Drive North, Manhattan, KS 66506, United States., Phebus RK; Department of Animal Sciences and Industry, Kansas State University, 1530 Mid-Campus Drive North, Manhattan, KS 66506, United States., Gragg SE; Department of Animal Sciences and Industry, Kansas State University, 1530 Mid-Campus Drive North, Manhattan, KS 66506, United States. Electronic address: sgragg@wisc.edu. |
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| Jazyk: | angličtina |
| Zdroj: | Journal of food protection [J Food Prot] 2024 Oct; Vol. 87 (10), pp. 100357. Date of Electronic Publication: 2024 Sep 04. |
| DOI: | 10.1016/j.jfp.2024.100357 |
| Abstrakt: | Market hog lymph nodes (LNs) can contaminate carcasses with Salmonella, as well as ground and comminuted pork products. The objective of this study was to perform a qualitative and quantitative analysis of LNs from several regions and seasons in the United States to establish a Salmonella prevalence and concentration baseline. Six types of LNs (axillary, mesenteric, subiliac, tracheobronchial, superficial inguinal, prescapular), and tonsils were sampled from market hog carcasses from different regions (east, central, and west) and seasons (winter, spring, and summer/fall). Salmonella was detected and enumerated using BAX®-System-SalQuant® methods and the BAX®-System Real-Time Salmonella Assay. Salmonella prevalence (N = 4,132) was 36% for tonsils, 35% for mesenteric LN, and less than 10% for the other LN types. Of the 601 carcasses tested, 62% were positive for Salmonella, with the highest prevalence occurring during spring in the east (90.9%), and the lowest prevalence occurring during spring in the central region (26.0%). Tonsil prevalence was greatest in the eastern region during spring. Mesenteric LN prevalence was high (>20%) regardless of season or region. Salmonella prevalence in tracheobronchial, subiliac, axillary, and superficial inguinal LNs was generally greatest during the spring or fall and in the eastern region. The median SalQuant® Salmonella concentration was 2.18 log Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper. (Copyright © 2024 The Authors. Published by Elsevier Inc. All rights reserved.) |
| Databáze: | MEDLINE |
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