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Sodagari HR, Agrawal I, Sohail MN, Yudhanto S, Varga C. Monitoring antimicrobial resistance in Campylobacter isolates of chickens and turkeys at the slaughter establishment level across the United States, 2013-2021. Epidemiol Infect 2024; 152:e41. [PMID: 38403893 PMCID: PMC10945939 DOI: 10.1017/s0950268824000359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 02/06/2024] [Accepted: 02/07/2024] [Indexed: 02/27/2024] Open
Abstract
Foodborne infections with antimicrobial-resistant Campylobacter spp. remain an important public health concern. Publicly available data collected by the National Antimicrobial Resistance Monitoring System for Enteric Bacteria related to antimicrobial resistance (AMR) in Campylobacter spp. isolated from broiler chickens and turkeys at the slaughterhouse level across the United States between 2013 and 2021 were analysed. A total of 1,899 chicken-origin (1,031 Campylobacter coli (C. coli) and 868 Campylobacter jejuni (C. jejuni)) and 798 turkey-origin (673 C. coli and 123 C. jejuni) isolates were assessed. Chicken isolates exhibited high resistance to tetracycline (43.65%), moderate resistance to ciprofloxacin (19.5%), and low resistance to clindamycin (4.32%) and azithromycin (3.84%). Turkey isolates exhibited very high resistance to tetracycline (69%) and high resistance to ciprofloxacin (39%). The probability of resistance to all tested antimicrobials, except for tetracycline, significantly decreased during the latter part of the study period. Turkey-origin Campylobacter isolates had higher odds of resistance to all antimicrobials than isolates from chickens. Compared to C. jejuni isolates, C. coli isolates had higher odds of resistance to all antimicrobials, except for ciprofloxacin. The study findings emphasize the need for poultry-type-specific strategies to address differences in AMR among Campylobacter isolates.
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Affiliation(s)
- Hamid R. Sodagari
- Department of Pathobiology, College of Veterinary Medicine, University of Illinois Urbana-Champaign, Urbana, IL, USA
| | - Isha Agrawal
- Department of Pathobiology, College of Veterinary Medicine, University of Illinois Urbana-Champaign, Urbana, IL, USA
| | - Mohammad N. Sohail
- Department of Pathobiology, College of Veterinary Medicine, University of Illinois Urbana-Champaign, Urbana, IL, USA
| | - Setyo Yudhanto
- Department of Pathobiology, College of Veterinary Medicine, University of Illinois Urbana-Champaign, Urbana, IL, USA
| | - Csaba Varga
- Department of Pathobiology, College of Veterinary Medicine, University of Illinois Urbana-Champaign, Urbana, IL, USA
- Carl R. Woese Institute for Genomic Biology, University of Illinois Urbana-Champaign, Urbana, IL, USA
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Zeller-Péronnet V, Bretschneider N, Lausch J, Hanifi N, Pavlovic M, Zarske M, Luu HQ, Busch U, Stingl K, Huber I. Multiplex Real-Time PCR for the Detection of Tetracycline, Ciprofloxacin, and Erythromycin Resistance Determinants from Human and Foodborne Campylobacter jejuni and Campylobacter coli. Microorganisms 2023; 11:2927. [PMID: 38138071 PMCID: PMC10745765 DOI: 10.3390/microorganisms11122927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 11/28/2023] [Accepted: 11/30/2023] [Indexed: 12/24/2023] Open
Abstract
Campylobacter jejuni and Campylobacter coli are the predominant thermophilic species responsible for foodborne gastroenteritis worldwide. Elevated resistance to certain antibiotics was observed due to antimicrobial therapy in farm animals and humans, while reduced antimicrobial usage partially reduced antibiotic resistance. Monitoring the antimicrobial resistance demonstrated a substantial fraction of multi-resistant isolates, indicating the necessity of reliable tools for their detection. In this study, resistance determinants in 129 German and 21 Vietnamese isolates were selected to establish a novel multiplex real-time PCR (qPCR), facilitating the simultaneous detection of four resistance determinants. These comprised tet(O) gene variants associated with tetracycline resistance, point mutations GyrA_T86I and GyrA_T86V associated with ciprofloxacin resistance, and the erm(B) gene together with the point mutation A2075G in the 23S rRNA gene, associated with erythromycin resistance. Moreover, the performance of the qPCR assay was evaluated by comparing the results of qPCR to phenotypic antimicrobial resistance profiles, obtained with standardized EUCAMP3 microdilution panel, which showed 100% similarity (inclusivity and exclusivity). Variation in measurement methods, including qPCR machines and master mixes showed robustness, essential for laboratories. The assay can be used for the rapid detection of resistance determinants, and is beneficial for monitoring the spread of antibiotic resistance in C. jejuni and C. coli.
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Affiliation(s)
- Véronique Zeller-Péronnet
- Department for Food and Food Hygiene, Bavarian Health and Food Safety Authority (LGL), 85764 Oberschleissheim, Germany; (V.Z.-P.); (N.B.); (N.H.); (M.P.); (U.B.)
| | - Nancy Bretschneider
- Department for Food and Food Hygiene, Bavarian Health and Food Safety Authority (LGL), 85764 Oberschleissheim, Germany; (V.Z.-P.); (N.B.); (N.H.); (M.P.); (U.B.)
| | - Johanna Lausch
- Department for Food and Food Hygiene, Bavarian Health and Food Safety Authority (LGL), 85764 Oberschleissheim, Germany; (V.Z.-P.); (N.B.); (N.H.); (M.P.); (U.B.)
| | - Nadera Hanifi
- Department for Food and Food Hygiene, Bavarian Health and Food Safety Authority (LGL), 85764 Oberschleissheim, Germany; (V.Z.-P.); (N.B.); (N.H.); (M.P.); (U.B.)
| | - Melanie Pavlovic
- Department for Food and Food Hygiene, Bavarian Health and Food Safety Authority (LGL), 85764 Oberschleissheim, Germany; (V.Z.-P.); (N.B.); (N.H.); (M.P.); (U.B.)
| | - Michael Zarske
- National Reference Laboratory for Campylobacter, Department of Biological Safety, German Federal Institute for Risk Assessment (BfR), 10589 Berlin, Germany; (M.Z.); (K.S.)
| | - Huong Quynh Luu
- National Institute of Veterinary Research (NIVR), Hanoi 100000, Vietnam;
| | - Ulrich Busch
- Department for Food and Food Hygiene, Bavarian Health and Food Safety Authority (LGL), 85764 Oberschleissheim, Germany; (V.Z.-P.); (N.B.); (N.H.); (M.P.); (U.B.)
| | - Kerstin Stingl
- National Reference Laboratory for Campylobacter, Department of Biological Safety, German Federal Institute for Risk Assessment (BfR), 10589 Berlin, Germany; (M.Z.); (K.S.)
| | - Ingrid Huber
- Department for Food and Food Hygiene, Bavarian Health and Food Safety Authority (LGL), 85764 Oberschleissheim, Germany; (V.Z.-P.); (N.B.); (N.H.); (M.P.); (U.B.)
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Okafor CC, Ekakoro JE, Caldwell M, Strand EB. Emotive Themes from Tennessee Cattle Producers Regarding Responsible Antibiotic Use. Animals (Basel) 2022; 12:ani12162088. [PMID: 36009678 PMCID: PMC9405180 DOI: 10.3390/ani12162088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 08/05/2022] [Accepted: 08/08/2022] [Indexed: 11/16/2022] Open
Abstract
To improve judicious antimicrobial use (AMU) in food animals in the United States, all feed additives that were medically important antimicrobials were moved from over the counter to Veterinary Feed Directive in 2017. This action required a change in behavior of producers’ AMU practices. Because emotions are important aspects of behavior, several behavioral interventions have targeted people’s emotions as means of effecting change. Hence, understanding and incorporating the emotional experiences of producers towards current AMU practices can be a starting point to making future behavioral changes that could reduce the emergence of antimicrobial resistance challenge. Between June 2017 and March 2018, seven focus group meetings of Tennessee (TN) beef and dairy cattle producers were conducted to evaluate producers’ emotional views regarding responsible AMU in TN cattle. Sixty-two TN cattle producers participated and emotively expressed the following: (1) deep connections to animals in ways that improve animal and public health; (2) pride in their quality of products; (3) distress that consumers misconceive their AMU practices as indiscriminate; and (4) recommended that producers be more transparent about their AMU practices and the public improve their awareness for detecting marketers’ deceptive product labels that take advantage of public ignorance. Knowledge of these producers’ emotions would help educators target more successful behavioral change campaigns, improving stewardship in AMU practices among producers.
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Affiliation(s)
- Chika C. Okafor
- Department of Biomedical and Diagnostic Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, TN 37996, USA
- Correspondence:
| | - John E. Ekakoro
- Department of Biomedical and Diagnostic Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, TN 37996, USA
| | - Marc Caldwell
- Department of Large Animal Clinical Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, TN 37996, USA
| | - Elizabeth B. Strand
- Department of Large Animal Clinical Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, TN 37996, USA
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