Download the PDF copy of this reportWelfare Issues with Cage and Cage-Free Egg Production--A Review of MortalityDon't have Adobe Acrobat Abstract Three main types of housing systems—battery cages, barns, and free-range—are used in commercial egg production. Some proponents of battery cages, the principal housing system in the United States, claim cage-free systems imperil animal health. Yet scientific evidence does not support their claim. Mortality rates of caged and cage-free hens are not significantly different, after controlling for breed, age, and beak-trimming. Date Published: See the Video Related Links An HSUS Report: The Welfare of Animals in the Egg Industry Scientists and Experts on Battery Cages and Laying Hen Welfare An HSUS Report: Welfare Issues with Selective Breeding for Production in Egg-Laying Hens |
