Interdigital Hyperplasia in Cattle: Corn Welfare Management
Interdigital hyperplasia (fibroma/corn) causes lameness in cattle through overgrowth of fibrous tissue between the claws, requiring surgical or conservative management.
Key Facts
- An overgrowth of fibrous interdigital skin causing protrusion between the claws
- Holstein-Friesian cattle are particularly predisposed to this condition
- Causes lameness through mechanical irritation and compression as the growth enlarges
- Small lesions may respond to conservative management; large lesions require surgical removal
- Prevention focuses on foot trimming and avoiding conditions that cause chronic interdigital irritation
Welfare Considerations
Interdigital hyperplasia welfare impact depends on lesion size and location. Small fibromas cause minor discomfort and mild lameness. Large fibromas that protrude significantly between the claws cause persistent lameness through mechanical irritation and the risk of secondary infection. Surgical removal under local anesthesia with appropriate analgesia is effective for significant lesions. Post-surgical recovery requires clean, dry conditions to promote healing and prevent infection. Regular foot trimming reduces the conditions that predispose to fibroma development. Genetic predisposition means some herds have disproportionately high prevalence requiring targeted management.
What You Can Do
- Identify and treat interdigital hyperplasia before lesions become large and welfare-impacting
- Ensure foot trimming includes assessment of the interdigital space
- Provide local anesthesia and post-operative analgesia for surgical removal
- Maintain clean, dry post-surgical environments to support healing
- Consider genetic selection against predisposed individuals in high-prevalence herds