Parent stock birds in broiler breeding programmes are feed-restricted to prevent obesity and reproductive failure, causing chronic hunger that is considered one of the most significant welfare concerns in poultry.
Broiler parent stock hunger is recognised as one of the most severe welfare problems in commercial poultry, affecting millions of birds globally. The solution requires genetic modification of breeds to remove the need for restriction, which is a long-term goal. Consumer pressure on hatcheries is an important lever.