Egg Industry Center

The impact of hen housing on egg production performance and egg quality was studied by the Coalition for Sustainable Egg Supply (CSES) study which analyzed eggs for shell strength, shell thickness, Haugh unit, vitelline membrane properties and egg solids. 24 eggs were randomly selected and assessed from each housing system. Diets were specifically formulated for conventional cage, aviary and enriched colony systems based on hen productivity and feed ingredients available while being cost efficient. Dietary changes were found to have the most impact on shell parameters, vitelline membrane parameters and egg total solids contrary to the laying hen housing system. Specific dietary changes and results for each element may be found in the article. Further research needs to be conducted in controlled research settings to determine any affect on housing systems on egg quality.

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