
(Photo credit: Aerica Bjurstrom)
Introduction
Calves born with knuckle over pasterns, also known as contracted tendons, present a unique challenge for dairy and beef producers. This condition, where the calf’s pasterns (the area between the fetlock and the hoof) are flexed abnormally, can affect their mobility and overall health. Although most will make a full recovery, it does present itself as an obstacle at birth. Understanding the factors that contribute to this condition can help in managing it.
This article originally appeared on the Wisconsin State Farmer, February 19, 2025.
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Authors

Angie Ulness
Dairy Educator – Angie has been active in the dairy industry her entire life. She was raised on her family farm in Door County and currently farms with her husband Mark and their four children in Manitowoc County. Angie has previously worked as a Field Representative for Holstein USA and a Senior Territory Manager for a Pharmaceutical company. Her area of focus is Dairy Farm Management, Profitability and Efficiency.
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