A move from conventional cages to either
an enriched cage or a noncage system may affect the
safety or quality, or both, of the eggs laid by hens raised
in this new environment. The safety of the eggs may be
altered either microbiologically through contamination
of internal contents with Salmonella enterica serovar
Enteritidis (Salmonella Enteritidis) or other pathogens,
or both, or chemically due to contamination of internal
contents with dioxins, pesticides, or heavy metals. Qual