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Li XP, Liang J, Li ZE, Duan MH, Dai Y, Zhang YN, Liu Y, Jin YG, Yang F. Comparison of gamithromycin residue depletion in yellow-feather and white-feather broilers after one single subcutaneous injection. Poult Sci 2024; 103:103571. [PMID: 38428356 PMCID: PMC10912904 DOI: 10.1016/j.psj.2024.103571] [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: 01/20/2024] [Revised: 02/12/2024] [Accepted: 02/14/2024] [Indexed: 03/03/2024] Open
Abstract
This study aimed to compare the residue depletion of gamithromycin in yellow-feather and white-feather broilers, using Sanhuang and Arbor Acres chickens as typical examples, respectively. Each breed (54 chickens) received a single subcutaneous dose of gamithromycin at 7.5 mg/kg bodyweight (BW). Tissues, including muscle, skin + fat, liver, kidney, and injection site, were collected at 6 h, 3, 5, 7, 10, 14, 21, 28, and 35 d postdrug administration. Gamithromycin concentrations in these tissues were determined using ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). The kinetics of gamithromycin were analyzed in different tissues using a noncompartmental method in the Phoenix software. Differences were observed in gamithromycin concentrations and kinetic characteristics in both breeds of chickens, with higher residue concentrations and longer residue times found in yellow-feathered broilers. In Sanhuang broilers, the elimination rates of gamithromycin followed this order: injection site > muscle > liver > kidney > skin + fat. The corresponding elimination half-lives (t1/2λzs) in these samples were 1.22, 1.30, 1.71, 2.04, and 2.52 d, respectively. In contrast, in Arbor Acres broilers, a different order was noted: muscle > injection site > kidney > liver > skin + fat, with corresponding t1/2λzs of 1, 1.23, 1.88, 1.93, and 2.21 d, respectively. These differences may be related to variations in pigments in various tissues of chickens of the 2 breeds. However, further investigations are warranted to discern the underlying reasons.
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Affiliation(s)
- Xing-Ping Li
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, 471023, China
| | - Jun Liang
- Zhengzhou Institute of Veterinary Drug and Feed Control, Zhengzhou, 450002, China
| | - Ze-En Li
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, 471023, China
| | - Ming-Hui Duan
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, 471023, China
| | - Yan Dai
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, 471023, China
| | - Yan-Ni Zhang
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, 471023, China
| | - Yue Liu
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, 471023, China
| | - Yang-Guang Jin
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, 471023, China
| | - Fan Yang
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, 471023, China.
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Sánchez-Ortiz E, Blanco Gutiérrez MDM, Calvo-Fernandez C, Mencía-Gutiérrez A, Pastor Tiburón N, Alvarado Piqueras A, Pablos-Tanarro A, Martín-Maldonado B. Addressing Challenges in Wildlife Rehabilitation: Antimicrobial-Resistant Bacteria from Wounds and Fractures in Wild Birds. Animals (Basel) 2024; 14:1151. [PMID: 38672299 PMCID: PMC11047587 DOI: 10.3390/ani14081151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2024] [Revised: 04/03/2024] [Accepted: 04/09/2024] [Indexed: 04/28/2024] Open
Abstract
Injuries and bone fractures are the most frequent causes of admission at wildlife rescue centers. Wild birds are more susceptible to open fractures due to their anatomical structure, which can lead to osteomyelitis and necrosis. Antibiotic therapy in these cases is indispensable, but the increase of antimicrobial-resistant isolates in wildlife has become a significant concern in recent years. In this context, the likelihood of antibiotic failure and death of animals with infectious issues is high. This study aimed to isolate, identify, and assess the antimicrobial resistance pattern of bacteria in wounds and open fractures in wild birds. To this end, injured birds admitted to a wildlife rescue center were sampled, and bacterial isolation and identification were performed. Then, antimicrobial susceptibility testing was assessed according to the disk diffusion method. In total, 36 isolates were obtained from 26 different birds. The genera detected were Staphylococcus spp. (63.8%), Escherichia (13.9%), Bacillus (11.1%), Streptococcus (8.3%), and Micrococcus (2.8%). Among Staphylococcus isolates, S. lentus and S. aureus were the most frequent species. Antimicrobial resistance was detected in 82.6% of the isolates, among which clindamycin resistance stood out, and 31.6% of resistant isolates were considered multidrug-resistant. Results from this study highlight the escalating scope of antimicrobial resistance in wildlife. This level of resistance poses a dual concern for wildlife: firstly, the risk of therapeutic failure in species of significant environmental value, and, secondly, the circulation of resistant bacteria in ecosystems.
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Affiliation(s)
- Esther Sánchez-Ortiz
- Departamento de Sanidad Animal, Facultad de Veterinaria, Universidad Complutense, Avenida de Puerta de Hierro s/n, 28040 Madrid, Spain; (E.S.-O.); (M.d.M.B.G.)
- Grupo de Rehabilitación de la Fauna Autóctona y su Hábitat, Calle Monte del Pilar s/n, 28220 Majadahonda, Spain; (A.M.-G.); (N.P.T.); (A.A.P.)
| | - María del Mar Blanco Gutiérrez
- Departamento de Sanidad Animal, Facultad de Veterinaria, Universidad Complutense, Avenida de Puerta de Hierro s/n, 28040 Madrid, Spain; (E.S.-O.); (M.d.M.B.G.)
| | - Cristina Calvo-Fernandez
- Research Group for Food Microbiology and Hygiene, National Food Institute, Technical University of Denmark, Henrik Dams Allé, 204, 2800 Kongens Lyngby, Denmark;
- Research Group for Foodborne Pathogens and Epidemiology, National Food Institute, Technical University of Denmark, Henrik Dams Allé, 204, 2800 Kongens Lyngby, Denmark
| | - Aida Mencía-Gutiérrez
- Grupo de Rehabilitación de la Fauna Autóctona y su Hábitat, Calle Monte del Pilar s/n, 28220 Majadahonda, Spain; (A.M.-G.); (N.P.T.); (A.A.P.)
| | - Natalia Pastor Tiburón
- Grupo de Rehabilitación de la Fauna Autóctona y su Hábitat, Calle Monte del Pilar s/n, 28220 Majadahonda, Spain; (A.M.-G.); (N.P.T.); (A.A.P.)
| | - Alberto Alvarado Piqueras
- Grupo de Rehabilitación de la Fauna Autóctona y su Hábitat, Calle Monte del Pilar s/n, 28220 Majadahonda, Spain; (A.M.-G.); (N.P.T.); (A.A.P.)
| | - Alba Pablos-Tanarro
- Departamento de Veterinaria, Facultad de Ciencias Biomédicas y de la Salud, Universidad Europea de Madrid, Calle Tajo s/n, 28760 Villaviciosa de Odón, Spain;
| | - Bárbara Martín-Maldonado
- Departamento de Veterinaria, Facultad de Ciencias Biomédicas y de la Salud, Universidad Europea de Madrid, Calle Tajo s/n, 28760 Villaviciosa de Odón, Spain;
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Jin M, Osman M, Green BA, Yang Y, Ahuja A, Lu Z, Cazer CL. Evidence for the transmission of antimicrobial resistant bacteria between humans and companion animals: A scoping review. One Health 2023; 17:100593. [PMID: 37448771 PMCID: PMC10336692 DOI: 10.1016/j.onehlt.2023.100593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 06/21/2023] [Accepted: 06/24/2023] [Indexed: 07/15/2023] Open
Abstract
Objective Transmission of antimicrobial resistant bacteria between people and household pets, such as dogs and cats, is an emerging global public health problem. This scoping review synthesized existing evidence of human-pet bacteria transmission to understand the magnitude and breadth of this issue. Methods The search included specific and generic terms for bacteria, resistance, transmission, pets, and humans. Searches were conducted through PubMed, Scopus, Web of Science, CABI Global Health, Networked Digital Library of Theses and Dissertations, Google Scholar. All studies published in English and Mandarin that isolated bacteria from pets (cats and dogs) and humans who had contact with the pets, and reported phenotypic or genotypic antimicrobial sensitivity test results, were included in this review. In cases of bacterial species that are commonly associated with pets, such as Staphylococcus pseudintermedius and Pasteurella multocida, we also included studies that only isolated bacteria from humans. Results After removing duplication, the search captured 9355 studies. A total of 1098 papers were screened in the full-text review, and 562 studies were identified as eligible according to our inclusion criteria. The primary reason for exclusion was the lack of sensitivity testing. The included studies were published between 1973 and 2021. The most common study location was the United States (n = 176, 31.3%), followed by the United Kingdom (n = 53, 9.4%), Japan (n = 29, 5.2%), and Canada (n = 25, 4.4%). Most of the included studies were case reports (n = 367, 63.4%), cross-sectional/prevalence studies (n = 130, 22.4%), and case series (n = 51, 8.8%). Only few longitudinal studies (n = 14, 2.4%), case-control studies (n = 12, 2.1%), and cohort studies (n = 5, 0.9%) were included in our review. Most studies focused on Pasteurella multocida (n = 221, 39.3%), Staphylococcus aureus (n = 81, 14.4%), and Staphylococcus pseudintermedius (n = 52, 8.9%). For the 295 studies that used strain typing methods to compare bacteria from humans and pets, most used DNA banding pattern-based methods (n = 133, 45.1%) and DNA sequencing-based methods (n = 118, 40.0%). Conclusion Transmission of bacteria could occur in both directions: pets to humans (e.g., S. pseudintermedius and P. multocida) and humans to pets (e.g., S. aureus). The majority of studies provided a low level of evidence of transmission (e.g., case reports), suggesting that more rigorous longitudinal, cohort, or case-control studies are needed to fully understand the risk of human-pet resistant bacterial transmission.
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Affiliation(s)
- Mu Jin
- Department of Public and Ecosystem Health, Cornell University College of Veterinary Medicine, USA
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, USA
| | - Marwan Osman
- Department of Public and Ecosystem Health, Cornell University College of Veterinary Medicine, USA
- Cornell Atkinson Center for Sustainability, Cornell University, Ithaca, NY 14853, USA
| | - Brianna A. Green
- Department of Public and Ecosystem Health, Cornell University College of Veterinary Medicine, USA
| | - Yufan Yang
- Department of Public and Ecosystem Health, Cornell University College of Veterinary Medicine, USA
| | - Aditi Ahuja
- Department of Public and Ecosystem Health, Cornell University College of Veterinary Medicine, USA
| | - Zhengyu Lu
- Department of Public and Ecosystem Health, Cornell University College of Veterinary Medicine, USA
| | - Casey L. Cazer
- Department of Public and Ecosystem Health, Cornell University College of Veterinary Medicine, USA
- Department of Population Medicine & Diagnostic Sciences, Cornell University College of Veterinary Medicine, USA
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Best CM, Bard AM, Rees GM, Reyher KK. Validation, visibility, vagueness and variation: A qualitative assessment of existing veterinary guidelines for antimicrobial use in cattle and sheep in the UK. PLoS One 2023; 18:e0294733. [PMID: 38032877 PMCID: PMC10688698 DOI: 10.1371/journal.pone.0294733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 11/06/2023] [Indexed: 12/02/2023] Open
Abstract
Antimicrobials are essential in veterinary medicine to treat and control bacterial disease in animals. Their prudent use in food-producing animals has been encouraged to reduce the development and spread of antimicrobial resistance. National and international guidelines for responsible antimicrobial use have been developed as tools to guide and rationalise antimicrobial prescribing decisions by veterinarians and usage decisions by farmers. Yet, there is little understanding of whether these existing guidelines are fit for purpose. Accordingly, this study rigorously assessed 128 veterinary guidelines for antimicrobial use in ruminants in the UK, following established qualitative methodologies. Findings revealed four pertinent themes: validation of the veterinarian as the prescriber, visibility of responsible use realities, vagueness in interpretation and variation in directing behaviour. These themes encompassed the roles and responsibilities of the veterinarian and the realities of prescribing scenarios, alongside concerns relating to the specificity within and variation between guidelines. Resultant recommendations to inform and support the future development of guidelines include establishing species-specific and disease-specific guidelines, expanding guidelines to include disease prevention measures, including definitions to resolve vagueness and promoting congruence in interpretation, encouraging the development of practice-level guidelines to endorse collaboration and ownership, and fostering active working between stakeholders to align priorities and messaging.
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Affiliation(s)
- Caroline M. Best
- University of Bristol Veterinary School, Langford, Bristol, United Kingdom
| | - Alison M. Bard
- University of Bristol Veterinary School, Langford, Bristol, United Kingdom
- Department of Life Sciences, Aberystwyth University, Aberystwyth, Ceredigion, United Kingdom
| | - Gwen M. Rees
- Department of Life Sciences, Aberystwyth University, Aberystwyth, Ceredigion, United Kingdom
| | - Kristen K. Reyher
- University of Bristol Veterinary School, Langford, Bristol, United Kingdom
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Marco-Fuertes A, Jordá J, Marin C, Lorenzo-Rebenaque L, Montoro-Dasi L, Vega S. Multidrug-Resistant Escherichia coli Strains to Last Resort Human Antibiotics Isolated from Healthy Companion Animals in Valencia Region. Antibiotics (Basel) 2023; 12:1638. [PMID: 37998840 PMCID: PMC10669260 DOI: 10.3390/antibiotics12111638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 11/11/2023] [Accepted: 11/17/2023] [Indexed: 11/25/2023] Open
Abstract
Failure in antibiotic therapies due to the increase in antimicrobial-resistant (AMR) bacteria is one of the main threats to public and animal health. In recent decades, the perception of companion animals has changed, from being considered as a work tool to a household member, creating a family bond and sharing spaces in their daily routine. Hence, the aim of this study is to assess the current epidemiological situation regarding the presence of AMR and multidrug resistance (MDR) in companion animals in the Valencia Region, using the indicator bacteria Escherichia coli as a sentinel. For this purpose, 244 samples of dogs and cats were collected from veterinary centres to assess antimicrobial susceptibility against a panel of 22 antibiotics with public health relevance. A total of 197 E. coli strains were isolated from asymptomatic dogs and cats. The results showed AMR against all the 22 antibiotics studied, including those critically important to human medicine. Moreover, almost 50% of the strains presented MDR. The present study revealed the importance of monitoring AMR and MDR trends in companion animals, as they could pose a risk due to the spread of AMR and its resistance genes to humans, other animals and the environment they cohabit.
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Affiliation(s)
- Ana Marco-Fuertes
- Departamento de Producción y Sanidad Animal, Salud Pública Veterinaria y Ciencia y Tecnología de los Alimentos, Facultad de Veterinaria, Instituto de Ciencias Biomédicas, Universidad Cardenal Herrera-CEU, CEU Universities, Calle Santiago Ramón y Cajal 20, Alfara del Patriarca, 45115 Valencia, Spain; (A.M.-F.); (J.J.); (C.M.); (S.V.)
| | - Jaume Jordá
- Departamento de Producción y Sanidad Animal, Salud Pública Veterinaria y Ciencia y Tecnología de los Alimentos, Facultad de Veterinaria, Instituto de Ciencias Biomédicas, Universidad Cardenal Herrera-CEU, CEU Universities, Calle Santiago Ramón y Cajal 20, Alfara del Patriarca, 45115 Valencia, Spain; (A.M.-F.); (J.J.); (C.M.); (S.V.)
| | - Clara Marin
- Departamento de Producción y Sanidad Animal, Salud Pública Veterinaria y Ciencia y Tecnología de los Alimentos, Facultad de Veterinaria, Instituto de Ciencias Biomédicas, Universidad Cardenal Herrera-CEU, CEU Universities, Calle Santiago Ramón y Cajal 20, Alfara del Patriarca, 45115 Valencia, Spain; (A.M.-F.); (J.J.); (C.M.); (S.V.)
| | - Laura Lorenzo-Rebenaque
- Institute of Animal Science and Technology, Universitat Politècnica de València, 46022 Valencia, Spain;
| | - Laura Montoro-Dasi
- Departamento de Producción y Sanidad Animal, Salud Pública Veterinaria y Ciencia y Tecnología de los Alimentos, Facultad de Veterinaria, Instituto de Ciencias Biomédicas, Universidad Cardenal Herrera-CEU, CEU Universities, Calle Santiago Ramón y Cajal 20, Alfara del Patriarca, 45115 Valencia, Spain; (A.M.-F.); (J.J.); (C.M.); (S.V.)
| | - Santiago Vega
- Departamento de Producción y Sanidad Animal, Salud Pública Veterinaria y Ciencia y Tecnología de los Alimentos, Facultad de Veterinaria, Instituto de Ciencias Biomédicas, Universidad Cardenal Herrera-CEU, CEU Universities, Calle Santiago Ramón y Cajal 20, Alfara del Patriarca, 45115 Valencia, Spain; (A.M.-F.); (J.J.); (C.M.); (S.V.)
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Foglia Manzillo V, Peruzy MF, Gizzarelli M, Izzo B, Sarnelli P, Carrella A, Vinciguerra G, Chirollo C, Ben Fayala NEH, Balestrino I, Oliva G. Examining the Veterinary Electronic Antimicrobial Prescriptions for Dogs and Cats in the Campania Region, Italy: Corrective Strategies Are Imperative. Animals (Basel) 2023; 13:2869. [PMID: 37760269 PMCID: PMC10525136 DOI: 10.3390/ani13182869] [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: 05/29/2023] [Revised: 08/03/2023] [Accepted: 09/07/2023] [Indexed: 09/29/2023] Open
Abstract
Companion animals are increasingly being recognised as important contributors to the spread of antimicrobial-resistant bacteria. The present work aimed to measure the antimicrobial drug prescribing in dogs and cats in the Campania Region, Italy by analysing the Veterinary Electronic Prescriptions (VEPs) between 2019 and 2020. The medical records associated with antimicrobial drug prescriptions were collected according to the drug administration (systemic or topical) and the rationale for the treatment chosen. In the period under investigation, 166,879 drugs were prescribed of which 129,116 (73.4%) were antimicrobial. A total of 83,965 (65%) antibiotics were prescribed to dogs, 40,477 (31.4%) to cats, and 4674 (3.6%) to other companion animals. In dogs, 90.5% of VEPs prescribed for systemic treatment included an antimicrobial Critically Important or Highly Important or Important for human medicine (WHO, 2018). The most widely prescribed class was fluoroquinolones. The antimicrobials prescribed were mainly metronidazole-spiramycin (29.7%), amoxicillin-clavulanic (19.6%), enrofloxacin and cephalexin in dogs (16.5%) and enrofloxacin (22.6%) and amoxicillin-clavulanic acid (21.4%) in cats. Based on the results, the widespread use of broad-spectrum antimicrobials and the use of molecules for which limitations should be observed according to the EMA guidelines has emerged.
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Affiliation(s)
- Valentina Foglia Manzillo
- Department of Veterinary Medicine and Animal Productions, University of Naples Federico II, 80137 Naples, Italy; (V.F.M.); (M.F.P.); (M.G.); (N.E.H.B.F.); (G.O.)
| | - Maria Francesca Peruzy
- Department of Veterinary Medicine and Animal Productions, University of Naples Federico II, 80137 Naples, Italy; (V.F.M.); (M.F.P.); (M.G.); (N.E.H.B.F.); (G.O.)
| | - Manuela Gizzarelli
- Department of Veterinary Medicine and Animal Productions, University of Naples Federico II, 80137 Naples, Italy; (V.F.M.); (M.F.P.); (M.G.); (N.E.H.B.F.); (G.O.)
| | - Berardino Izzo
- Veterinary Pharmacovigilance Center of Campania Region, 80137 Naples, Italy; (B.I.); (P.S.); (A.C.); (G.V.); (C.C.)
| | - Paolo Sarnelli
- Veterinary Pharmacovigilance Center of Campania Region, 80137 Naples, Italy; (B.I.); (P.S.); (A.C.); (G.V.); (C.C.)
| | - Antonio Carrella
- Veterinary Pharmacovigilance Center of Campania Region, 80137 Naples, Italy; (B.I.); (P.S.); (A.C.); (G.V.); (C.C.)
| | - Giuseppina Vinciguerra
- Veterinary Pharmacovigilance Center of Campania Region, 80137 Naples, Italy; (B.I.); (P.S.); (A.C.); (G.V.); (C.C.)
| | - Claudia Chirollo
- Veterinary Pharmacovigilance Center of Campania Region, 80137 Naples, Italy; (B.I.); (P.S.); (A.C.); (G.V.); (C.C.)
| | - Nour El Houda Ben Fayala
- Department of Veterinary Medicine and Animal Productions, University of Naples Federico II, 80137 Naples, Italy; (V.F.M.); (M.F.P.); (M.G.); (N.E.H.B.F.); (G.O.)
| | - Ines Balestrino
- Department of Veterinary Medicine and Animal Productions, University of Naples Federico II, 80137 Naples, Italy; (V.F.M.); (M.F.P.); (M.G.); (N.E.H.B.F.); (G.O.)
| | - Gaetano Oliva
- Department of Veterinary Medicine and Animal Productions, University of Naples Federico II, 80137 Naples, Italy; (V.F.M.); (M.F.P.); (M.G.); (N.E.H.B.F.); (G.O.)
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Ade J, Riehm JM, Stadler J, Klose C, Zablotski Y, Ritzmann M, Kümmerlen D. Antimicrobial Susceptibility from a One Health Perspective Regarding Porcine Escherichia coli from Bavaria, Germany. Antibiotics (Basel) 2023; 12:1424. [PMID: 37760720 PMCID: PMC10525436 DOI: 10.3390/antibiotics12091424] [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: 08/18/2023] [Revised: 09/01/2023] [Accepted: 09/05/2023] [Indexed: 09/29/2023] Open
Abstract
Antimicrobial resistance is one of the most crucial One Health topics worldwide. Consequently, various national and international surveillance programs collect data and report trends regularly. Ceftiofur, colistin and enrofloxacin belong to the most important and critical class of anti-infective medications in both human and veterinary medicine. In the present study, antimicrobial resistance was analyzed using the epidemiological cut-off (ECOFF) value on 6569 Escherichia coli isolated from pigs in Bavaria, Germany, during five years, from 2016 to 2020. The statistically relevant results regarding antimicrobial resistance revealed a decrease for colistin, an increase for enrofloxacin, and a constant level for ceftiofur. In Germany, the usage of all three antimicrobial substances in livestock has fallen by 43.6% for polypeptides, 59.0% for fluoroquinolones and 57.8% for the 3rd + 4th generation cephalosporines during this time. Despite the decline in antimicrobial usage, a reduction regarding antimicrobial resistance was solely observed for colistin. This finding illustrates that in addition to the restriction of pharmaceutical consumption, further measures should be considered. Improved biosecurity concepts, a reduction in crowding, and controlled animal movements on farms may play a key role in finally containing the resistance mechanisms of bacteria in farm animals.
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Affiliation(s)
- Julia Ade
- Clinic for Swine, Centre for Clinical Veterinary Medicine, Ludwig-Maximilians-Universität München Sonnenstrasse 16, 85764 Oberschleissheim, Germany; (J.A.); (J.S.)
| | - Julia M. Riehm
- Bavarian Health and Food Safety Authority, Veterinaerstrasse 2, 85764 Oberschleissheim, Germany (C.K.)
| | - Julia Stadler
- Clinic for Swine, Centre for Clinical Veterinary Medicine, Ludwig-Maximilians-Universität München Sonnenstrasse 16, 85764 Oberschleissheim, Germany; (J.A.); (J.S.)
| | - Corinna Klose
- Bavarian Health and Food Safety Authority, Veterinaerstrasse 2, 85764 Oberschleissheim, Germany (C.K.)
| | - Yury Zablotski
- Clinic for Ruminants with Ambulatory and Herd Health Services, Centre for Clinical Veterinary Medicine, Ludwig-Maximilians-Universität München, Sonnenstrasse 16, 85764 Oberschleissheim, Germany
| | - Mathias Ritzmann
- Clinic for Swine, Centre for Clinical Veterinary Medicine, Ludwig-Maximilians-Universität München Sonnenstrasse 16, 85764 Oberschleissheim, Germany; (J.A.); (J.S.)
| | - Dolf Kümmerlen
- Division of Swine Medicine, Department for Farm Animals, Vetsuisse Faculty, University of Zurich, Winterthurerstrasse 260, 8057 Zurich, Switzerland
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8
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Rutjens S, Vereecke N, Sauer J, Croubels S, Devreese M. Cefquinome shows a higher impact on the pig gut microbiome and resistome compared to ceftiofur. Vet Res 2023; 54:45. [PMID: 37280708 DOI: 10.1186/s13567-023-01176-8] [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: 02/17/2023] [Accepted: 05/10/2023] [Indexed: 06/08/2023] Open
Abstract
Cephalosporins are licensed for treatment of severe bacterial infections in different species. However, the effect of these antimicrobials on the fecal microbiome and potential spread of resistance-associated genes causes great concern. This highlights the need to understand the impact of cephalosporins on the porcine fecal microbiome and resistome. A combination of long-read 16S rRNA gene and shotgun metagenomic sequencing was applied to investigate the effect of conventional treatment with either ceftiofur (3 mg.kg-1 intramuscular, 3 consecutive days) or cefquinome (2 mg.kg-1 intramuscular, 5 consecutive days) on the porcine microbiome and resistome. Fecal samples were collected from 17 pigs (6 ceftiofur treated, 6 cefquinome treated, 5 control pigs) at four different timepoints. Treatment with ceftiofur resulted in an increase in Proteobacteria members on microbiome level, while on resistome level selection in TetQ containing Bacteroides, CfxA6 containing Prevotella and blaTEM-1 containing Escherichia coli was observed. Cefquinome treatment resulted in a decline in overall species richness (α-diversity) and increase in Proteobacteria members. On genus level, administration of cefquinome significantly affected more genera than ceftiofur (18 vs 8). On resistome level, cefquinome resulted in a significant increase of six antimicrobial resistance genes, with no clear correlation with certain genera. For both antimicrobials, the resistome levels returned back to the control levels 21 days post-treatment. Overall, our study provides novel insights on the effect of specific cephalosporins on the porcine gut microbiome and resistome after conventional intramuscular treatment. These results might contribute to better tailoring of the most ideal treatment strategy for some bacterial infections.
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Affiliation(s)
- Sofie Rutjens
- Department of Pathobiology, Pharmacology and Zoological Medicine, Laboratory of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Ghent University, 9820, Merelbeke, Belgium
| | - Nick Vereecke
- PathoSense BV, 2500, Lier, Belgium
- Department of Translational Physiology, Infectiology and Public Health, Laboratory of Virology, Faculty of Veterinary Medicine, Ghent University, 9820, Merelbeke, Belgium
| | | | - Siska Croubels
- Department of Pathobiology, Pharmacology and Zoological Medicine, Laboratory of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Ghent University, 9820, Merelbeke, Belgium
| | - Mathias Devreese
- Department of Pathobiology, Pharmacology and Zoological Medicine, Laboratory of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Ghent University, 9820, Merelbeke, Belgium.
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Kisil OV, Gabrielyan NI, Maleev VV. [Antibiotic resistance - what can be done? A review]. TERAPEVT ARKH 2023; 95:90-95. [PMID: 37167120 DOI: 10.26442/00403660.2023.01.202040] [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: 04/13/2022] [Indexed: 05/13/2023]
Abstract
Serious work is being carried out in the world in the field of combating antibiotic resistance: reducing the prescribing of antibiotics, banning the use of antibiotics as stimulators of animal growth, improving infection control. Antimicrobial resistance is systematically monitored not only in every medical center, but also at the national level. The collected data is successfully used to implement local and national recommendations on the optimal use of antibiotics.
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Affiliation(s)
| | - N I Gabrielyan
- Shumakov National Medical Research Center of Transplantology and Artificial Organs
| | - V V Maleev
- Central Research Institute of Epidemiology
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Use of Antimicrobials by Class in Pigs in Germany-A Longitudinal Description Considering Different International Categorisation Systems. Antibiotics (Basel) 2022; 11:antibiotics11121833. [PMID: 36551491 PMCID: PMC9774131 DOI: 10.3390/antibiotics11121833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 12/09/2022] [Accepted: 12/12/2022] [Indexed: 12/23/2022] Open
Abstract
Antimicrobial usage in both human and veterinary medicine is considered one of the main drivers of antimicrobial resistance; its reduction poses a serious challenge. To analyse the associations between usage and resistance, data from monitoring systems and classification of all antimicrobial substances are crucial. In this analysis, we investigated longitudinal data collected between 2013 and 2020 within the Veterinary Consumption of Antibiotics project from pig farms in Germany, including all antimicrobial classes, but focusing on critically important antimicrobials: third- and fourth-generation cephalosporins, fluoroquinolones, macrolides, and polymyxins. Analysing the treatment frequency, we found that a reduction in antimicrobial use in all types of pig production has occurred over time, accompanied by a rising percentage of farms without any usage. The lists of the World Health Organisation, World Organisation for Animal Health, and European Medicine Agency classify different antimicrobial substances as critically important. The vast differences between the respective weighted treatment frequencies allocated to the antimicrobials of main interest reflect the huge impact of the three categorisation systems. We concluded that, with the aim of creating national treatment guidelines supporting veterinarians to make treatment decisions, the list of the European Medicine Agency is the most suitable.
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11
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Aurich S, Prenger-Berninghoff E, Ewers C. Prevalence and Antimicrobial Resistance of Bacterial Uropathogens Isolated from Dogs and Cats. Antibiotics (Basel) 2022; 11:antibiotics11121730. [PMID: 36551391 PMCID: PMC9774110 DOI: 10.3390/antibiotics11121730] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 11/22/2022] [Accepted: 11/25/2022] [Indexed: 12/05/2022] Open
Abstract
Bacterial urinary tract infection (UTI) is a common diagnosis in companion animal practice and is one of the leading reasons for antimicrobial prescriptions. We analysed 1862 samples from the urinary tract of dogs and cats, submitted to a veterinary microbiological diagnostic laboratory in 2019 and 2020 in Germany. Susceptibility of 962 uropathogenic isolates to 15 antimicrobials, suggested as first- and second-line treatment options for UTI, was determined according to CLSI recommendations. Bacterial growth of uropathogens was detected in 43.9% of dog and in 38.5% of cat samples. Escherichia (E.) coli was the most frequently isolated pathogen (48.4%), followed by Enterococcus spp. (11.9%) and coagulase-positive staphylococci (CoPS; 11.5%). Females were more likely to exhibit a positive microbiological culture. Regarding first-line antibiotics, 93.4% of the most commonly isolated uropathogenic species were susceptible to the first-line antibiotics amoxicillin/clavulanic acid (AMC) and 87.6% to trimethoprim-sulfamethoxazole (SXT), while 76.1% showed decreased susceptibility to ampicillin (AMP). Multidrug resistance (MDR) was detected in 11.9% of E. coli, 50.4% of enterococci, and 42.7% of CoPS; 90.6% of these isolates were susceptible to nitrofurantoin (NIT). Our data indicate that empiric treatment of UTI with AMC or SXT could be recommended and is preferable to treatment with AMX. NIT should be considered for the treatment of MDR uropathogens.
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12
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Jansen W, van Hout J, Wiegel J, Iatridou D, Chantziaras I, De Briyne N. Colistin Use in European Livestock: Veterinary Field Data on Trends and Perspectives for Further Reduction. Vet Sci 2022; 9:650. [PMID: 36423099 PMCID: PMC9697203 DOI: 10.3390/vetsci9110650] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 11/17/2022] [Accepted: 11/19/2022] [Indexed: 09/29/2023] Open
Abstract
Polymyxin E (colistin) is a medically important active substance both in human and veterinary medicine. Colistin has been used in veterinary medicine since the 1950s. Due to the discovery of the plasmid-borne mcr gene in 2015 and the simultaneously increased importance in human medicine as a last-resort antibiotic, the use of colistin for animals was scrutinised. Though veterinary colistin sales dropped by 76.5% between 2011 to 2020, few studies evaluated real-world data on the use patterns of colistin in different European countries and sectors. A survey among veterinarians revealed that 51.9% did not use or ceased colistin, 33.4% decreased their use, 10.4% stabilised their use, and 2.7% increased use. The most important indications for colistin use were gastrointestinal diseases in pigs followed by septicaemia in poultry. A total of 106 (16.0%) responding veterinarians reported governmental/industry restrictions regarding colistin use, most commonly mentioning "use only after susceptibility testing" (57%). In brief, colistin was perceived as an essential last-resort antibiotic in veterinary medicine for E. coli infections in pigs and poultry, where there is no alternative legal, safe, and efficacious antimicrobial available. To further reduce the need for colistin, synergistic preventive measures, including improved biosecurity, husbandry, and vaccinations, must be employed.
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Affiliation(s)
- Wiebke Jansen
- Federation of Veterinarians of Europe (FVE), Rue Victor Oudart 7, 1030 Brussels, Belgium
| | - Jobke van Hout
- Royal GD, Arnsbergstraat 7, 7418 EZ Deventer, The Netherlands
| | - Jeanine Wiegel
- Royal GD, Arnsbergstraat 7, 7418 EZ Deventer, The Netherlands
| | - Despoina Iatridou
- Federation of Veterinarians of Europe (FVE), Rue Victor Oudart 7, 1030 Brussels, Belgium
| | - Ilias Chantziaras
- Veterinary Epidemiology Unit, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, 9820 Merelbeke, Belgium
| | - Nancy De Briyne
- Federation of Veterinarians of Europe (FVE), Rue Victor Oudart 7, 1030 Brussels, Belgium
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13
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Macrolide Resistance and In Vitro Potentiation by Peptidomimetics in Porcine Clinical Escherichia coli. mSphere 2022; 7:e0040222. [PMID: 36154672 PMCID: PMC9599364 DOI: 10.1128/msphere.00402-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Escherichia coli is intrinsically resistant to macrolides due to outer membrane impermeability, but may also acquire macrolide resistance genes by horizontal transfer. We evaluated the prevalence and types of acquired macrolide resistance determinants in pig clinical E. coli, and we assessed the ability of peptidomimetics to potentiate different macrolide subclasses against strains resistant to neomycin, a first-line antibiotic in the treatment of pig-enteric infections. The erythromycin MIC distribution was determined in 324 pig clinical E. coli isolates, and 62 neomycin-resistant isolates were further characterized by genome sequencing and MIC testing of azithromycin, spiramycin, tilmicosin, and tylosin. The impact on potency achieved by combining these macrolides with three selected peptidomimetic compounds was determined by checkerboard assays in six strains representing different genetic lineages and macrolide resistance gene profiles. Erythromycin MICs ranged from 16 to >1,024 μg/mL. Azithromycin showed the highest potency in wild-type strains (1 to 8 μg/mL), followed by erythromycin (16 to 128 μg/mL), tilmicosin (32 to 256 μg/mL), and spiramycin (128 to 256 μg/mL). Isolates with elevated MIC mainly carried erm(B), either alone or in combination with other acquired macrolide resistance genes, including erm(42), mef(C), mph(A), mph(B), and mph(G). All peptidomimetic-macrolide combinations exhibited synergy (fractional inhibitory concentration index [FICI] < 0.5) with a 4- to 32-fold decrease in the MICs of macrolides. Interestingly, the MICs of tilmicosin in wild-type strains were reduced to concentrations (4 to 16 μg/mL) that can be achieved in the pig intestinal tract after oral administration, indicating that peptidomimetics can potentially be employed for repurposing tilmicosin in the management of E. coli enteritis in pigs. IMPORTANCE Acquired macrolide resistance is poorly studied in Escherichia coli because of intrinsic resistance and limited antimicrobial activity in Gram-negative bacteria. This study reveals new information on the prevalence and distribution of macrolide resistance determinants in a comprehensive collection of porcine clinical E. coli from Denmark. Our results contribute to understanding the correlation between genotypic and phenotypic macrolide resistance in E. coli. From a clinical standpoint, our study provides an initial proof of concept that peptidomimetics can resensitize E. coli to macrolide concentrations that may be achieved in the pig intestinal tract after oral administration. The latter result has implications for animal health and potential applications in veterinary antimicrobial drug development in view of the high rates of antimicrobial-resistant E. coli isolated from enteric infections in pigs and the lack of viable alternatives for treating these infections.
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14
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Hamame A, Davoust B, Cherak Z, Rolain JM, Diene SM. Mobile Colistin Resistance ( mcr) Genes in Cats and Dogs and Their Zoonotic Transmission Risks. Pathogens 2022; 11:pathogens11060698. [PMID: 35745552 PMCID: PMC9230929 DOI: 10.3390/pathogens11060698] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 06/14/2022] [Accepted: 06/15/2022] [Indexed: 02/04/2023] Open
Abstract
Background: Pets, especially cats and dogs, represent a great potential for zoonotic transmission, leading to major health problems. The purpose of this systematic review was to present the latest developments concerning colistin resistance through mcr genes in pets. The current study also highlights the health risks of the transmission of colistin resistance between pets and humans. Methods: We conducted a systematic review on mcr-positive bacteria in pets and studies reporting their zoonotic transmission to humans. Bibliographic research queries were performed on the following databases: Google Scholar, PubMed, Scopus, Microsoft Academic, and Web of Science. Articles of interest were selected using the PRISMA guideline principles. Results: The analyzed articles from the investigated databases described the presence of mcr gene variants in pets including mcr-1, mcr-2, mcr-3, mcr-4, mcr-5, mcr-8, mcr-9, and mcr-10. Among these articles, four studies reported potential zoonotic transmission of mcr genes between pets and humans. The epidemiological analysis revealed that dogs and cats can be colonized by mcr genes that are beginning to spread in different countries worldwide. Overall, reported articles on this subject highlight the high risk of zoonotic transmission of colistin resistance genes between pets and their owners. Conclusions: This review demonstrated the spread of mcr genes in pets and their transmission to humans, indicating the need for further measures to control this significant threat to public health. Therefore, we suggest here some strategies against this threat such as avoiding zoonotic transmission.
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Affiliation(s)
- Afaf Hamame
- Faculté de Pharmacie, IRD, APHM, MEPHI, IHU-Méditerranée Infection, Aix Marseille University, 19-21 Boulevard Jean Moulin, CEDEX 05, 13385 Marseille, France;
- IHU-Méditerranée Infection, 19-21 Boulevard Jean Moulin, CEDEX 05, 13385 Marseille, France;
| | - Bernard Davoust
- IHU-Méditerranée Infection, 19-21 Boulevard Jean Moulin, CEDEX 05, 13385 Marseille, France;
| | - Zineb Cherak
- Faculté des Sciences de la Nature et de la Vie, Université Batna-2, Route de Constantine, Fésdis, Batna 05078, Algeria;
| | - Jean-Marc Rolain
- Faculté de Pharmacie, IRD, APHM, MEPHI, IHU-Méditerranée Infection, Aix Marseille University, 19-21 Boulevard Jean Moulin, CEDEX 05, 13385 Marseille, France;
- IHU-Méditerranée Infection, 19-21 Boulevard Jean Moulin, CEDEX 05, 13385 Marseille, France;
- Correspondence: (J.-M.R.); (S.M.D.); Tel.: +33-4-9183-5649 (S.M.D.)
| | - Seydina M. Diene
- Faculté de Pharmacie, IRD, APHM, MEPHI, IHU-Méditerranée Infection, Aix Marseille University, 19-21 Boulevard Jean Moulin, CEDEX 05, 13385 Marseille, France;
- IHU-Méditerranée Infection, 19-21 Boulevard Jean Moulin, CEDEX 05, 13385 Marseille, France;
- Correspondence: (J.-M.R.); (S.M.D.); Tel.: +33-4-9183-5649 (S.M.D.)
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15
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Cheng TY, Almeida BG, Pempek JA, Masterson MA, Habing GG. The use of common antimicrobial agents in US veal calves. Zoonoses Public Health 2022; 69:359-369. [PMID: 35188339 DOI: 10.1111/zph.12928] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 12/18/2021] [Accepted: 02/08/2022] [Indexed: 02/03/2023]
Abstract
The use of antimicrobials in food animals and the selection of antimicrobial-resistant pathogens continue to be prominent concerns for human food safety and public health. To provide optimal stewardship programs, antimicrobial use in animal production operations must be quantified and standardized for benchmarking and creating goals, monitoring temporal trends, and identifying causes of emerging resistance. In the United States, quantified estimates of antimicrobial use are available in dairy and beef cattle, but these data have not been generated for veal calf herds. Therefore, the objective of this study was to estimate the treatment incidence (TI) of antimicrobials for eight US veal calf farms in one rearing cycle. Treatment incidences were compared between calculated doses defined by the labeled daily dose (LDD), animal-defined daily dose (ADD) from the European Medicines Agency (EMA) guideline, and the used daily dose (UDD) from the farm treatment protocols. Among eight farms, veal calves received a mean of 34.40 LDD, 34.88 ADD, and 28.68 UDD of an antimicrobial per 100 days. The lower TI based on the UDD administration was a result of higher farm protocol dosing relative to the labeled and EMA daily doses. Higher quantities of antimicrobial administration were observed in the first three weeks (day 1-21) of rearing (Tukey-adjusted p < .05). This study is the first to quantitatively estimate the TI of antimicrobials on the US veal calf operations and serves as an important step toward the development of antimicrobial stewardship programs.
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Affiliation(s)
- Ting-Yu Cheng
- Department of Veterinary Preventive Medicine, College of Veterinary Medicine, The Ohio State University, Columbus, OH, USA
| | - Breanna G Almeida
- Department of Veterinary Preventive Medicine, College of Veterinary Medicine, The Ohio State University, Columbus, OH, USA
| | - Jessica A Pempek
- Department of Animal Sciences, College of Food, Agricultural, and Environmental Sciences, The Ohio State University, Columbus, Ohio, USA
| | - Margaret A Masterson
- Department of Veterinary Preventive Medicine, College of Veterinary Medicine, The Ohio State University, Columbus, OH, USA
| | - Gregory G Habing
- Department of Veterinary Preventive Medicine, College of Veterinary Medicine, The Ohio State University, Columbus, OH, USA
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Genomic Screening of Antimicrobial Resistance Markers in UK and US Campylobacter Isolates Highlights Stability of Resistance over an 18-Year Period. Antimicrob Agents Chemother 2022; 66:e0168721. [PMID: 35404076 PMCID: PMC9112873 DOI: 10.1128/aac.01687-21] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Campylobacter jejuni and Campylobacter coli are important bacterial causes of human foodborne illness. Despite several years of reduced antibiotics usage in livestock production in the United Kingdom (UK) and United States (US), a high prevalence of antimicrobial resistance (AMR) persists in Campylobacter. Both countries have instigated genome sequencing-based surveillance programs for Campylobacter, and in this study, we have identified AMR genes in 32,256 C. jejuni and 8,776 C. coli publicly available genome sequences to compare the prevalence and trends of AMR in Campylobacter isolated in the UK and US between 2001 and 2018. AMR markers were detected in 68% of C. coli and 53% of C. jejuni isolates, with 15% of C. coli isolates being multidrug resistant (MDR), compared to only 2% of C. jejuni isolates. The prevalence of aminoglycoside, macrolide, quinolone, and tetracycline resistance remained fairly stable from 2001 to 2018 in both C. jejuni and C. coli, but statistically significant differences were observed between the UK and US. There was a statistically significant higher prevalence of aminoglycoside and tetracycline resistance for US C. coli and C. jejuni isolates and macrolide resistance for US C. coli isolates. In contrast, UK C. coli and C. jejuni isolates showed a significantly higher prevalence of quinolone resistance. Specific multilocus sequence type (MLST) clonal complexes (e.g., ST-353/464) showed >95% quinolone resistance. This large-scale comparison of AMR prevalence has shown that the prevalence of AMR remains stable for Campylobacter in the UK and the US. This suggests that antimicrobial stewardship and restricted antibiotic usage may help contain further expansion of AMR prevalence in Campylobacter but are unlikely to reduce it in the short term.
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17
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Lacticaseicin 30 and Colistin as a Promising Antibiotic Formulation against Gram-Negative β-Lactamase-Producing Strains and Colistin-Resistant Strains. Antibiotics (Basel) 2021; 11:antibiotics11010020. [PMID: 35052897 PMCID: PMC8772908 DOI: 10.3390/antibiotics11010020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 12/19/2021] [Accepted: 12/21/2021] [Indexed: 12/21/2022] Open
Abstract
Antimicrobial resistance is a global health concern across the world and it is foreseen to swell if no actions are taken now. To help curbing this well announced crisis different strategies are announced, and these include the use of antimicrobial peptides (AMP), which are remarkable molecules known for their killing activities towards pathogenic bacteria. Bacteriocins are ribosomally synthesized AMP produced by almost all prokaryotic lineages. Bacteriocins, unlike antibiotics, offer a set of advantages in terms of cytotoxicity towards eukaryotic cells, their mode of action, cross-resistance and impact of microbiota content. Most known bacteriocins are produced by Gram-positive bacteria, and specifically by lactic acid bacteria (LAB). LAB-bacteriocins were steadily reported and characterized for their activity against genetically related Gram-positive bacteria, and seldom against Gram-negative bacteria. The aim of this study is to show that lacticaseicin 30, which is one of the bacteriocins produced by Lacticaseibacillus paracasei CNCM I-5369, is active against Gram-negative clinical strains (Salmonella enterica Enteritidis H10, S. enterica Typhimurium H97, Enterobacter cloacae H51, Escherichia coli H45, E. coli H51, E. coli H66, Klebsiella oxytoca H40, K. pneumoniae H71, K. variicola H77, K. pneumoniae H79, K. pneumoniae H79), whereas antibiotics failed. In addition, lacticaseicin 30 and colistin enabled synergistic interactions towards the aforementioned target Gram-negative clinical strains. Further, the combinations of lacticaseicin 30 and colistin prompted a drastic downregulation of mcr-1 and mcr-9 genes, which are associated with the colistin resistance phenotypes of these clinical strains. This report shows that lacticaseicin 30 is active against Gram-negative clinical strains carrying a rainbow of mcr genes, and the combination of these antimicrobials constitutes a promising therapeutic option that needs to be further exploited.
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18
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Trott DJ, Turnidge J, Kovac JH, Simjee S, Wilson D, Watts J. Comparative macrolide use in humans and animals: should macrolides be moved off the World Health Organisation's critically important antimicrobial list? J Antimicrob Chemother 2021; 76:1955-1961. [PMID: 33956974 DOI: 10.1093/jac/dkab120] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Macrolide antibiotics are categorized by the WHO as Highest Priority, Critically Important Antimicrobials due to their recommendation as treatment for severe cases of campylobacteriosis in humans; a self-limiting, rarely life-threatening, zoonotic foodborne infection. Low rates of macrolide resistance in Campylobacter jejuni and the availability of alternative treatments have prompted some regulatory schemes to assign macrolides to a lower importance category. Apart from rare, specific infections, macrolides largely play a supportive role to other drug classes in human medicine. By contrast, although the advent of alternative control methods has seen significant reductions in macrolide use in intensive livestock, they still have a crucial role in the treatment/control of respiratory infections and liver abscesses in cattle. Whilst acknowledging that ongoing surveillance is required to reduce the spread of recently emerged, transferable macrolide resistance among Campylobacter, this article recommends that macrolides should be moved to the WHO Highly Important category.
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Affiliation(s)
- Darren J Trott
- Australian Centre for Antimicrobial Resistance Ecology, School of Animal and Veterinary Sciences, The University of Adelaide, Roseworthy, South Australia, Australia
| | - John Turnidge
- Australian Centre for Antimicrobial Resistance Ecology, School of Animal and Veterinary Sciences, The University of Adelaide, Roseworthy, South Australia, Australia
| | - Jessica H Kovac
- Australian Centre for Antimicrobial Resistance Ecology, School of Animal and Veterinary Sciences, The University of Adelaide, Roseworthy, South Australia, Australia
| | - Shabbir Simjee
- Elanco Animal Health, Form 2, Bartley Way, Bartley Wood Business Park, Hook, England
| | - Danny Wilson
- Research Centre for Infectious Diseases, School of Biological Sciences, University of Adelaide, South Australia, Australia
| | - Jeffrey Watts
- Veterinary Medicine Research and Development, Zoetis, Inc, Kalamazoo, MI, USA
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19
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Mehat JW, van Vliet AHM, La Ragione RM. The Avian Pathogenic Escherichia coli (APEC) pathotype is comprised of multiple distinct, independent genotypes. Avian Pathol 2021; 50:402-416. [PMID: 34047644 DOI: 10.1080/03079457.2021.1915960] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Avian Pathogenic E. coli (APEC) is the causative agent of avian colibacillosis, resulting in economic losses to the poultry industry through morbidity, mortality and carcass condemnation, and impacts the welfare of poultry. Colibacillosis remains a complex disease to manage, hampered by diagnostic and classification strategies for E. coli that are inadequate for defining APEC. However, increased accessibility of whole genome sequencing (WGS) technology has enabled phylogenetic approaches to be applied to the classification of E. coli and genomic characterization of the most common APEC serotypes associated with colibacillosis O1, O2 and O78. These approaches have demonstrated that the O78 serotype is representative of two distinct APEC lineages, ST-23 in phylogroup C and ST-117 in phylogroup G. The O1 and O2 serotypes belong to a third lineage comprised of three sub-populations in phylogroup B2; ST-95, ST-140 and ST-428/ST-429. The frequency with which these genotypes are associated with colibacillosis implicates them as the predominant APEC populations and distinct from those causing incidental or opportunistic infections. The fact that these are disparate clusters from multiple phylogroups suggests that these lineages may have become adapted to the poultry niche independently. WGS studies have highlighted the limitations of traditional APEC classification and can now provide a path towards a robust and more meaningful definition of the APEC pathotype. Future studies should focus on characterizing individual APEC populations in detail and using this information to develop improved diagnostics and interventions.
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Affiliation(s)
- Jai W Mehat
- Department of Pathology and Infectious Diseases, School of Veterinary Medicine, Faculty of Health and Medical Sciences, University of Surrey, Guildford, UK
| | - Arnoud H M van Vliet
- Department of Pathology and Infectious Diseases, School of Veterinary Medicine, Faculty of Health and Medical Sciences, University of Surrey, Guildford, UK
| | - Roberto M La Ragione
- Department of Pathology and Infectious Diseases, School of Veterinary Medicine, Faculty of Health and Medical Sciences, University of Surrey, Guildford, UK
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20
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Sellera FP, Da Silva LCBA, Lincopan N. Rapid spread of critical priority carbapenemase-producing pathogens in companion animals: a One Health challenge for a post-pandemic world. J Antimicrob Chemother 2021; 76:2225-2229. [PMID: 34109407 DOI: 10.1093/jac/dkab169] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
The COVID-19 pandemic has increased relationships and interactions between human and companion animals, supported by widespread social distancing and isolation measures. Additionally, the COVID-19 pandemic has led to an exponential growth in antibiotic and biocide use worldwide, possibly inducing further pressure, contributing to the selection of antibiotic-resistant bacteria, including WHO critical priority pathogens. While data from global surveillance studies reveal a linear trend of increasing carbapenem resistance among Gram-negative pathogens from companion animals, the acquisition of carbapenemase-producing Enterobacterales through direct contact with colonized hosts and contaminated veterinary hospital environments has been documented. This article highlights the rapid spread of WHO critical priority carbapenemase-producing pathogens in companion animals, which is a One Health challenge for a post-pandemic world.
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Affiliation(s)
- Fábio P Sellera
- Department of Internal Medicine, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil.,School of Veterinary Medicine, Metropolitan University of Santos, Santos, Brazil
| | | | - Nilton Lincopan
- Department of Microbiology, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, Brazil.,Department of Clinical Analysis, School of Pharmacy, University of São Paulo, São Paulo, Brazil
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21
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Hopman NEM, Wagenaar JA, van Geijlswijk IM, Broens EM. Development and Pilot of an Interactive Online Course on Antimicrobial Stewardship in Companion Animals. Antibiotics (Basel) 2021; 10:antibiotics10050610. [PMID: 34065607 PMCID: PMC8161360 DOI: 10.3390/antibiotics10050610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 05/06/2021] [Accepted: 05/17/2021] [Indexed: 11/28/2022] Open
Abstract
A holistic approach to antimicrobial use (AMU) and prescribing is needed to combat the problem of antimicrobial resistance (AMR). Previously, an antimicrobial stewardship programme (ASP) was developed, introduced, and evaluated in 44 Dutch companion animal clinics, which resulted in an optimization of AMU. As a follow-up to this, an online course was developed to promote awareness of AMU, AMR, and responsible antimicrobial prescribing. The aim of this paper is to describe the development and pilot, including evaluation, of this course, which will be disseminated more widely among Dutch companion animal veterinarians. The interactive programme consists of a major e-learning component and two online, face-to-face meetings. The course comprises five different parts corresponding with five consecutive weeks. Theory on several topics is offered, for example on AMU and AMR in general, Dutch regulations and guidelines on veterinary AMU, behavioural change, and possible methods to quantify AMU. Additionally, several assignments are offered, for example to reflect upon one’s own current antimicrobial prescribing behaviour. Interactive discussion and peer-to-peer learning are promoted. Since September 2020, the course has been offered in a pilot phase, and the feedback is promising. Evaluation of the pilot phase will result in recommendations for further optimization and dissemination.
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Affiliation(s)
- Nonke E. M. Hopman
- Department Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, Yalelaan 1, 3584 CL Utrecht, The Netherlands; (J.A.W.); (E.M.B.)
- Correspondence:
| | - Jaap A. Wagenaar
- Department Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, Yalelaan 1, 3584 CL Utrecht, The Netherlands; (J.A.W.); (E.M.B.)
- Wageningen Bioveterinary Research, Houtribweg 39, 8221 RA Lelystad, The Netherlands
| | - Ingeborg M. van Geijlswijk
- IRAS Veterinary Pharmacology and Therapeutics Group, Department Population Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Yalelaan 106, 3584 CM Utrecht, The Netherlands;
| | - Els M. Broens
- Department Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, Yalelaan 1, 3584 CL Utrecht, The Netherlands; (J.A.W.); (E.M.B.)
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22
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Pirolo M, Espinosa-Gongora C, Bogaert D, Guardabassi L. The porcine respiratory microbiome: recent insights and future challenges. Anim Microbiome 2021; 3:9. [PMID: 33499988 PMCID: PMC7934557 DOI: 10.1186/s42523-020-00070-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Accepted: 12/16/2020] [Indexed: 01/07/2023] Open
Abstract
Understanding the structure of the respiratory microbiome and its complex interactions with opportunistic pathogenic bacteria has become a topic of great scientific and economic interest in livestock production, given the severe consequences of respiratory disease on animal health and welfare. The present review focuses on the microbial structures of the porcine upper and lower airways, and the factors that influence microbiome development and onset of respiratory disease. Following a literature search on PubMed and Scopus, 21 articles were selected based on defined exclusion criteria (20 studies performed by 16S rRNA gene sequencing and one by shotgun metagenomics). Analysis of the selected literature indicated that the microbial structure of the upper respiratory tract undergoes a remarkable evolution after birth and tends to stabilise around weaning. Antimicrobial treatment, gaseous ammonia concentration, diet and floor type are amongst the recognized environmental factors influencing microbiome structure. The predominant phyla of the upper respiratory tract are Proteobacteria and Firmicutes with significant differences at the genus level between the nasal and the oropharyngeal cavity. Only five studies investigated the lower respiratory tract and their results diverged in relation to the relative abundance of these two phyla and even more in the composition of the lung microbiome at the genus level, likely because of methodological differences. Reduced diversity and imbalanced microbial composition are associated with an increased risk of respiratory disease. However, most studies presented methodological pitfalls concerning specimen collection, sequencing target and depth, and lack of quality control. Standardization of sampling and sequencing procedures would contribute to a better understanding of the structure of the microbiota inhabiting the lower respiratory tract and its relationship with pig health and disease.
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Affiliation(s)
- Mattia Pirolo
- Department of Veterinary and Animal Sciences, University of Copenhagen, Frederiksberg, Denmark.,Department of Science, Roma Tre University, Rome, Italy
| | - Carmen Espinosa-Gongora
- Department of Veterinary and Animal Sciences, University of Copenhagen, Frederiksberg, Denmark
| | - Debby Bogaert
- Center for Inflammation Research, University of Edinburgh, Edinburgh, UK
| | - Luca Guardabassi
- Department of Veterinary and Animal Sciences, University of Copenhagen, Frederiksberg, Denmark. .,Department of Pathobiology & Population Sciences, Royal Veterinary College, United Kingdom, Hawkhead Lane, North Mymms, Hatfield, Herts, AL9 7TA, UK.
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23
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Hur B, Hardefeldt LY, Verspoor KM, Baldwin T, Gilkerson JR. OUP accepted manuscript. JAC Antimicrob Resist 2021; 4:dlab194. [PMID: 35156027 PMCID: PMC8827557 DOI: 10.1093/jacamr/dlab194] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 11/24/2021] [Indexed: 11/18/2022] Open
Abstract
Background As antimicrobial prescribers, veterinarians contribute to the emergence of MDR pathogens. Antimicrobial stewardship programmes are an effective means of reducing the rate of development of antimicrobial resistance. A key component of antimicrobial stewardship programmes is selecting an appropriate antimicrobial agent for the presenting complaint and using an appropriate dose rate for an appropriate duration. Objectives To describe antimicrobial usage, including dose, for common indications for antimicrobial use in companion animal practice. Methods Natural language processing (NLP) techniques were applied to extract and analyse clinical records. Results A total of 343 668 records for dogs and 109 719 records for cats administered systemic antimicrobials from 1 January 2013 to 31 December 2017 were extracted from the database. The NLP algorithms extracted dose, duration of therapy and diagnosis completely for 133 046 (39%) of the records for dogs and 40 841 records for cats (37%). The remaining records were missing one or more of these elements in the clinical data. The most common reason for antimicrobial administration was skin disorders (n = 66 198, 25%) and traumatic injuries (n = 15 932, 19%) in dogs and cats, respectively. Dose was consistent with guideline recommendations in 73% of cases where complete clinical data were available. Conclusions Automated extraction using NLP methods is a powerful tool to evaluate large datasets and to enable veterinarians to describe the reasons that antimicrobials are administered. However, this can only be determined when the data presented in the clinical record are complete, which was not the case in most instances in this dataset. Most importantly, the dose administered varied and was often not consistent with guideline recommendations.
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Affiliation(s)
- Brian Hur
- Asia-Pacific Centre for Animal Health, Melbourne Veterinary School, University of Melbourne, Parkville, Victoria, Australia
- School of Computing and Information Systems, University of Melbourne, Parkville, Victoria, Australia
- Corresponding author. E-mail:
| | - Laura Y. Hardefeldt
- Asia-Pacific Centre for Animal Health, Melbourne Veterinary School, University of Melbourne, Parkville, Victoria, Australia
| | - Karin M. Verspoor
- School of Computing and Information Systems, University of Melbourne, Parkville, Victoria, Australia
- School of Computing Technologies, RMIT University, Melbourne, Victoria, Australia
| | - Timothy Baldwin
- School of Computing and Information Systems, University of Melbourne, Parkville, Victoria, Australia
| | - James R. Gilkerson
- Asia-Pacific Centre for Animal Health, Melbourne Veterinary School, University of Melbourne, Parkville, Victoria, Australia
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24
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Köper LM, Bode C, Bender A, Reimer I, Heberer T, Wallmann J. Eight years of sales surveillance of antimicrobials for veterinary use in Germany-What are the perceptions? PLoS One 2020; 15:e0237459. [PMID: 32776971 PMCID: PMC7416935 DOI: 10.1371/journal.pone.0237459] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Accepted: 07/27/2020] [Indexed: 11/18/2022] Open
Abstract
A surveillance system for sales volumes of antimicrobial agents for veterinary use was established in Germany in 2011. Since then, pharmaceutical companies and wholesalers have been legally obliged to report annual volumes of veterinary antimicrobial products sold to veterinary practices or clinics located in Germany. The evaluation of sales volumes for eight consecutive years resulted in a considerable total decrease by 58% from 1706 tons to 722 tons. During the investigation period, two legally binding measures to control the risk of antimicrobial resistance resulting from the veterinary use of antimicrobials were introduced, a) the German treatment frequencies benchmarking in 2014 and b) the obligation to conduct susceptibility testing for the use of cephalosporins of the 3rd and 4th generation and of fluoroquinolones in 2018. Both had a marked impact on sales volumes. Nonetheless, the category of Critically Important Antimicrobials as defined by the World Health Organization kept accounting for the highest share on sales volumes in Germany in 2018 with 403 tons, despite an overall reduction by 53%. Sales surveillance is considered essential for data retrieval on a global scale and inter-country comparison. However, the usability of a surveillance system based on sales data for risk management of antimicrobial resistance has limitations. The German system does not include off-label use of antimicrobial products authorized for human medicine and does not allow for identification of areas of high risk according to animal species, farm and production types and indications for treatment. For further reduction and enhanced promotion of a prudent use of antimicrobials, targeted measures would be required that could only be deducted from use data collected at farm or veterinary practice level. A surveillance system based on use data is currently lacking in Germany but will be established according to Regulation (EU) 2019/6 on veterinary medicinal products.
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Affiliation(s)
- Lydia M. Köper
- Department Veterinary Drugs, Federal Office of Consumer Protection and Food Safety (BVL), Berlin, Germany
- * E-mail:
| | - Christoph Bode
- Department Veterinary Drugs, Federal Office of Consumer Protection and Food Safety (BVL), Berlin, Germany
| | - Alice Bender
- Department Veterinary Drugs, Federal Office of Consumer Protection and Food Safety (BVL), Berlin, Germany
| | - Inke Reimer
- Department Veterinary Drugs, Federal Office of Consumer Protection and Food Safety (BVL), Berlin, Germany
| | - Thomas Heberer
- Department Veterinary Drugs, Federal Office of Consumer Protection and Food Safety (BVL), Berlin, Germany
| | - Jürgen Wallmann
- Department Veterinary Drugs, Federal Office of Consumer Protection and Food Safety (BVL), Berlin, Germany
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25
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Antimicrobial Resistance in Horses. Animals (Basel) 2020; 10:ani10071161. [PMID: 32659916 PMCID: PMC7401552 DOI: 10.3390/ani10071161] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Accepted: 06/25/2020] [Indexed: 12/13/2022] Open
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