Despite recent claims to the contrary from the Humane Society of the United States (HSUS), recent poultry science does not support the conclusion that expensive “cage-free” egg production lowers the public-health risk from Salmonella, the nonprofit Center for Consumer Freedom (CCF) said. HSUS recently published a list of what it claimed were “the nine studies published in the last five years comparing Salmonella rates in cage and cage-free egg operations,” and concluded that cage-free eggs were safer to eat. But the animal rights group intentionally mischaracterized the results of some of those studies, and ignored several others that don't suit its agenda.
A 2005 study cited by HSUS disagrees with the group’s claims from the very beginning, concluding that “the system with the lowest chance of infection was the cage system with wet manure.” And a 2008 study—again, cited by HSUS—concluded “no significant differences could be found in prevalence of Salmonella between laying hens reared in conventional and enriched cages and [free-range] aviary.”
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