Salmonella cases in humans: assessing current EU reduction targets
After several years of decline, salmonellosis cases in the EU have flattened out. EFSA scientists say that setting stricter targets for Salmonella in laying hens at farm level could help reduce cases of this origin by a half.
Photo by 青 晨 on Unsplash
EU countries are currently required to reduce the proportion of laying flocks infected with certain types of Salmonella to 2%. EFSA experts estimate that if this target was reduced to 1% salmonellosis cases in humans transmitted via laying hens would drop by 50%.
A target of 1% is currently in place for breeding hens – at the beginning of the poultry production chain – for five types of Salmonella that are of human health significance. EFSA recommends maintaining the existing target for three of these types and replacing the other two with types that are more relevant for public health today.
In the opinion published today experts also assess the role played by housing systems for laying hens. As of 2012, for welfare reasons the housing of laying hens in battery cages is forbidden in the EU. Only “enriched” cages (more spacious than battery cages and that must have a nest and litter) and alternative housing in non-cage systems (barn, free-range and free-range organic) are allowed.
Experts conclude that the occurrence of Salmonella is lower in hens that are reared in alternative housing systems than in cage systems. However, the reasons cannot be fully explained due to a lack of scientific evidence.
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