Farmed Hen Welfare: Forced Molting Practices

Forced molting — inducing a new laying cycle through feed withdrawal or dietary manipulation — is practiced on millions of laying hens and raises serious welfare concerns.

Key Facts

Forced molting extends the productive life of laying hens by inducing a second or third laying cycle
Traditional forced molting used complete feed withdrawal for 5-14 days, causing intense hunger and significant mortality
USDA-accredited certifications have largely banned feed withdrawal molting; corn-based diets are now used instead
Even corn-based molting causes significant welfare costs through nutritional restriction and stress
During molting, hens lose feathers (often traumatically), stop laying eggs, and show signs of physiological stress
Salmonella Enteritidis outbreaks are more common in molted flocks — a food safety concern linked to immune suppression
Approximately 10-15% of US hens undergo forced molting each year
Most European countries have banned or strongly discouraged feed withdrawal molting

Welfare Considerations

Forced molting causes significant welfare harm through nutritional stress, immune suppression, and the physical trauma of feather loss. Even without complete feed withdrawal, the metabolic stress of induced molting produces measurable physiological distress — elevated stress hormones, immune suppression, and behavioral indicators of suffering. The practice is economically motivated: extending hen productive life reduces the cost of replacing flock. But the welfare cost to hens is borne entirely by the animals. Welfare certification programs that prohibit feed withdrawal molting represent an improvement, but the most welfare-positive approach is to avoid forced molting entirely by replacing flocks at natural end-of-laying rather than extending through manipulation.

What You Can Do

Choose eggs from Certified Humane or AWA certified farms that prohibit forced molting
Advocate for complete elimination of forced molting practices in egg production
Support legislation extending EU-style molting restrictions to the US and other major egg-producing countries
Reduce egg consumption or shift to certified higher-welfare alternatives
Contact major egg producers to request their forced molting policy and push for elimination of the practice