Salmonella Enteritidis in commercial layer flocks in Europe: legislative background, on-farm sampling and main challenges

Carrique-Mas, Juan; Davies, RH

doi:10.1590/s1516-635x2008000100001

Cited by 25 publications

(17 citation statements)

References 37 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…This may be due to the increased frequency of the removal of feces from the systems compared to that of the dust (12). Fecal samples are believed to be better indicators of the infection status of flocks, whereas dust samples are more likely to indicate previous infection status (23).…”

Section: Discussionmentioning

confidence: 99%

Association between Indoor Environmental Contamination by Salmonella enterica and Contamination of Eggs on Layer Farms

et al. 2014

View full text Add to dashboard Cite

Section: Discussionmentioning

confidence: 99%

Association between Indoor Environmental Contamination by Salmonella enterica and Contamination of Eggs on Layer Farms

et al. 2014

View full text Add to dashboard Cite

“…According to European Directive 1003/2005, the occurrence of S. Enteritidis and S. Typhimurium in adult breeder flocks has to be < 1%, in EU member states. However, this directive also targets serovars Hadar, Virchow and Infantis which are of public health significance in the EU (Carrique-Mas and Davies, 2008). It is very difficult to accomplish such a goal in developing countries, since implementing good management practice is expensive and requires the participation of educated staff.…”

Section: Introductionmentioning

confidence: 99%

“…Live vaccines could be used only in cases when the discrimination of vaccine versus wild type Salmonella is possible and the ban of antibiotic use in layers has been initiated (Carrique-Mas and Davies, 2008). Such high demands have motivated a number of research works aiming to find the best sampling strategy and the best monitoring systems for Salmonella spp.…”

Section: Introductionmentioning

confidence: 99%

Salmonella spp. in poultry: a constant challenge and new insights

Velhner

Milanov

Kozoderović

2018

J Hellenic Vet Med Soc

View full text Add to dashboard Cite

ABSTRACT. The knowledge about virulence mechanisms, resistance to antimicrobial agents and the biofilm formation ability of Salmonella spp. in poultry industry has been expanded over the years. However, in spite of the research efforts and significant investments to improve management systems in poultry industry, it has become evident that none of the methods applied in all stages of food production chain are 100% effective in eliminating Salmonella spp. Different serovars are manifesting different mechanisms of invasiveness which depend on their ability to invade lower zones of the lamina propria, their ability to gain accesses to parenchymatous organs and survive in macrophages. The ubiquitous nature of Salmonella spp. due to their adaptation to animal and plant hosts, as well as their survival in hostile environments and their enhanced capacity to produce biofilms, contribute to a long lasting contamination of the environment, feed and animals. The emergency and spread of antimicrobial resistances in Salmonella spp. raise additional concerns.

show abstract

“…To reduce Salmonella and other zoonotic agents of public health significance in farm animals, the EU member states have to implement Regulation EC No. 2160/2003 into their national legislation, which implies that EU member states have to invest in prevention, detection, and control of Salmonella infections in laying hens (Carrique-Mas and Davies, 2008).…”

Section: Introductionmentioning

confidence: 99%

The age of production system and previous Salmonella infections on-farm are risk factors for low-level Salmonella infections in laying hen flocks

et al. 2010

View full text Add to dashboard Cite

An explorative field study was carried out to determine risk factors for Salmonella infections in commercial laying hen flocks. For this purpose, 29 laying hen farms, including farms using conventional and alternative housing systems, were intensively sampled. An on-farm questionnaire was used to collect information on general management practices and specific characteristics of the sampled flock such as flock size, age of the hens, and age of the infrastructure. Salmonella was detected in laying hens from 6 of the 29 sampled farms. Using multivariate logistic regression with the Salmonella status of the flock as an outcome variable, a previous Salmonella contamination on the farm and the age of the production system were identified as risk factors for the presence of Salmonella in laying hens (P<0.05). The housing system did not have a significant influence on the prevalence of Salmonella in the current study.

show abstract

Salmonella Enteritidis in commercial layer flocks in Europe: legislative background, on-farm sampling and main challenges

Cited by 25 publications

References 37 publications

Association between Indoor Environmental Contamination by Salmonella enterica and Contamination of Eggs on Layer Farms

Association between Indoor Environmental Contamination by Salmonella enterica and Contamination of Eggs on Layer Farms

Salmonella spp. in poultry: a constant challenge and new insights

The age of production system and previous Salmonella infections on-farm are risk factors for low-level Salmonella infections in laying hen flocks

Contact Info

Product

Resources

About