What is ischemic teat necrosis in dairy cattle?
Ischemic teat necrosis is a condition in dairy cattle where reduced blood flow to the teat leads to tissue damage and death. This condition may result in partial or complete loss of teat function and can significantly impact milk production.
What causes ischemic teat necrosis?
Potential contributing factors include:
- Cold weather injury or frostbite
- Constrictive pressure or trauma to the teat
- External devices or materials that restrict blood flow
What are the signs of teat necrosis in cattle?
Clinical signs may include:
- Darkening or discoloration of the teat
- Cold, painful, or swollen tissue
- Reduced milk flow from the affected quarter
- Progression to tissue death or sloughing in severe cases
How is ischemic teat necrosis treated and prevented?
Early veterinary evaluation is important. Management may include removing the underlying cause, providing supportive care, and preventing further tissue damage. Prevention focuses on avoiding constrictive injury and protecting cattle from severe cold stress.
Acknowledgment
This FAQ was developed using content from WSU’s Veterinary Medicine Extension.
This information is not meant to be a substitute for veterinary care. Always follow the instructions provided by your veterinarian. Washington State University assumes no liability for injury to you or your animals incurred by following these descriptions or procedures.