Heifer Blueprint: Assessing Failure of Passive Transfer in Calves

Colostrum management practices are considered successful when:

  • 90% of the tested calves have a serum total protein concentration ≥ 5.2 g/dl
  • 80% of tested calves have a serum total protein concentration ≥ 5.5 g/dl

In the UW-Extension Heifer Blueprint Assessing Failure of Passive Transfer, Oconto County Agriculture Agent Sarah Mills-Lloyd and Fond du Lac County Dairy & Livestock Agent Tina Kohlman share how to collect blood, determine if passive transfer failed, and reasons for failure of passive transfer.

For more information regarding calf management, please visit UW-Extension Dairy Calf & Heifer Management.

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