Farm Animal Welfare

Hen Keel Bone Fracture Reduction Strategies

Keel bone fractures affect over 50% of cage-free laying hens and are painful - targeted design and management interventions can significantly reduce prevalence.

Key Facts

Keel bone fractures often occur during collisions with perch ends during landing
Softened perch edges and angled landing zones reduce fracture risk dramatically
Training young pullets to use perches before housing transfer reduces collision injuries
Genetics play a role - breeds with better keel bone density have lower fracture rates
Fractures are often identified post-mortem, making lifetime pain invisible without monitoring

Welfare Considerations

Keel bone fractures cause chronic, often unrecognised pain in cage-free hens. The paradox - cage-free systems better for some welfare parameters, worse for keel bone health - requires specific design solutions rather than a return to cages.

What You Can Do

Advocate for keel bone fracture assessment in laying hen welfare certification
Support research into perch design modifications that reduce fracture risk
Choose eggs from farms that actively monitor and report keel bone health