Broiler parent birds face severe welfare problems from chronic hunger imposed to prevent obesity-related disease - a trade-off that causes constant suffering.
Broiler parent bird welfare presents one of the most ethically troubling trade-offs in animal agriculture. These birds are genetically identical to commercial broilers - selected for rapid growth in ways that make obesity and metabolic disease inevitable if fed freely. Keeping them alive as breeding animals requires chronic feed restriction that causes persistent hunger - a state of negative welfare that lasts for the birds' entire productive lives. The alternative - using slower-growing breeds as parent stock - avoids the trade-off entirely but requires genetic change throughout the commercial system. Research into alternative feeding strategies and feeding enrichment provides partial mitigation. The fundamental welfare solution requires broiler breed reform that prioritizes health over maximum growth rate.