Broiler breeder birds — the parents of fast-growing commercial chickens — experience severe hunger and chronic frustration from feed restriction programmes designed to prevent the health problems of their offspring.
Broiler breeder welfare represents a profound ethical problem at the heart of industrial poultry production: the welfare of parent birds is systematically compromised to enable the profitable production of fast-growing offspring. Feed-restricted breeders experience chronic hunger — a condition validated by their intense motivation to obtain food in preference tests, their high rates of stereotypic foraging, and their elevated corticosterone levels indicating chronic stress. The birds are hungry for their entire productive lives, a welfare harm that affects tens of millions of birds globally at any given time. This suffering is not incidental but is deliberately designed into production systems because unrestricted access to food would cause the health problems selected into fast-growth breeds. The fundamental solution — selecting for slower-growing breeding stock that do not require severe restriction — is technically feasible but faces economic resistance from an industry built on fast-growth genetics. Regulatory approaches mandating maximum feed restriction ratios or minimum growth rate targets for commercial chicken breeds represent the most promising policy lever for improvement.