Influence of farm management on the dynamics of <i>Salmonella enterica</i> serovar Infantis shedding and antibiotic resistance during the growing period of broiler chickens

Montoro-Dasi, Laura; Villagrá, Arantxa; Vega, Santiago; Marín, Clara

doi:10.1002/vetr.302

Cited by 5 publications

(4 citation statements)

References 36 publications

(79 reference statements)

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“…Although Dutch national statistics reported lower AMU in farms with "alternative" chicken breeds associated with less intensive systems (Van Geijlswijk et al, 2019), an experimental study of fast-and slow-growing broiler breeds with no antimicrobial treatment showed a similarly high rate of AMR in both groups (Montoro-Dasi et al, 2020). The same authors observed rapid development of resistance without any AMU in another experiment, and found no significant differences in AMR between groups with high and low stocking density or groups with different levels of ventilation (Montoro-Dasi et al, 2021).…”

Section: Indoor and Free-range Systemsmentioning

confidence: 98%

A review of the predictors of antimicrobial use and resistance in European food animal production

et al. 2023

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Antimicrobial resistance (AMR) is a major threat to global health and a key One Health challenge linking humans, animals, and the environment. Livestock are a key target for moderation of antimicrobial use (AMU), which is a major driver of AMR in these species. While some studies have assessed AMU and AMR in individual production systems, the evidence regarding predictors of AMU and AMR in livestock is fragmented, with significant research gaps in identifying the predictors of AMU and AMR common across farming systems. This review summarizes existing knowledge to identify key practices and critical control points determining on-farm AMU/AMR determinants for pigs, layer and broiler hens, beef and dairy cattle, sheep, turkeys, and farmed salmon in Europe. The quality and quantity of evidence differed between livestock types, with sheep, beef cattle, laying hens, turkeys and salmon underrepresented. Interventions to mitigate both AMU and/or AMR highlighted in these studies included biosecurity and herd health plans. Organic production typically showed significantly lower AMU across species, but even in antibiotic-free systems, varying AMR levels were identified in livestock microflora. Although vaccination is frequently implemented as part of herd health plans, its effects on AMU/AMR remain unclear at farm level. Social and behavioral factors were identified as important influences on AMU. The study fills a conspicuous gap in the existing AMR and One Health literatures examining links between farm management practices and AMU and AMR in European livestock production.

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Section: Indoor and Free-range Systemsmentioning

confidence: 98%

A review of the predictors of antimicrobial use and resistance in European food animal production

et al. 2023

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“…A predominant clone in European broiler production was found to be resistant to ciprofloxacin/nalidixic acid, sulfamethoxazole, and tetracycline. Additionally, a considerable percentage of S. Infantis strains (45.3%) demonstrated MDR, and the production of ESBL enzymes was also frequently observed [4,15,35,42,48,49].…”

Section: Salmonella Infantis: the Current Challengementioning

confidence: 99%

“…Additionally, a considerable percentage of S . Infantis strains (45.3%) demonstrated MDR, and the production of ESBL enzymes was also frequently observed [ 4 , 15 , 35 , 42 , 48 , 49 ].…”

Section: Introductionmentioning

confidence: 99%

Holistic Strategies to Control Salmonella Infantis: An Emerging Challenge in the European Broiler Sector

et al. 2023

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Salmonella spp. has been globally recognized as one of the leading causes of acute human bacterial gastroenteritis resulting from the consumption of animal-derived products. Salmonella Enteritidis, S. Typhimurium, and its monophasic variant are the main serovars responsible for human disease. However, a serovar known as S. Infantis has emerged as the fourth most prevalent serovar associated with human disease. A total of 95% of isolated S. Infantis serovars originate from broilers and their derived products. This serovar is strongly associated with an elevated antimicrobial (AMR) and multidrug resistance, a resistance to disinfectants, an increased tolerance to environmental mercury, a heightened virulence, and an enhanced ability to form biofilms and attach to host cells. Furthermore, this serovar harbors genes that confer resistance to colistin, a last-resort antibiotic in human medicine, and it has the potential to acquire additional transferable AMR against other critically important antimicrobials, posing a new and significant challenge to global public health. This review provides an overview of the current status of the S. Infantis serovar in the poultry sector, focusing on its key virulence factors, including its virulence genes, antimicrobial resistance, and biofilm formation. Additionally, novel holistic strategies for controlling S. Infantis along the entire food chain are presented in this review.

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“…The fourth is automatic loading. Spring Boot [30] scans all beans in the path where the startup class is located by default, and automatically configures beans for package/class jars in the project classpath, which greatly simplifies the work.…”

Section: Microservice Architecture Designmentioning

confidence: 99%

Blockchain-Enabled Social Security Services Using Smart Contracts

et al. 2022

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With the development of the times, the existing social security system can no longer meet people's needs in terms of providing transparent, distributed sharing, tamper-proof, traceable, consensus trust and trustworthy services. Furthermore, they are centralized and subject to a single point of control and failure. In this context, we propose a consortium blockchain-based solution to establish and improve social security informatization to meet the above challenges. In this article, we present specific business situations for three important social security services. Namely, apply for social insurance, apply for social assistance and social benefits online. Our proposed solution also provides a multi-party trust and data sharing mechanism, and also demonstrates the integration of blockchain and Interplanetary File System (IPFS) storage systems to facilitate the security of approval documents, photos and videos related to the processing of social security services Accessibility and traceability. It also introduces the implementation and testing details of the algorithm in the smart contract, and expounds how to apply it in the automatic approval of social security business to reduce the workload of existing manual review. Finally, by comparing with the existing system, it is discussed that our solution has great advantages in promoting the online processing of social security business, and the safe access and traceability of approval documents, photos and videos.

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Influence of farm management on the dynamics of Salmonella enterica serovar Infantis shedding and antibiotic resistance during the growing period of broiler chickens

Cited by 5 publications

References 36 publications

A review of the predictors of antimicrobial use and resistance in European food animal production

A review of the predictors of antimicrobial use and resistance in European food animal production

Holistic Strategies to Control Salmonella Infantis: An Emerging Challenge in the European Broiler Sector

Blockchain-Enabled Social Security Services Using Smart Contracts

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