Evaluating the change in immunoglobulin G and accuracy of assessing transfer of passive immunity during the first 7 days of age in Holstein dairy calves fed colostrum replacer

Evaluating the change in immunoglobulin G and accuracy of assessing transfer of passive immunity during the first 7 days of age in Holstein dairy calves fed colostrum replacer

ABSTRACT: Accurate diagnosis of failure of transfer of passive immunity is an important component for dairy herd management goals and involves measurement of serum IgG in young calves. However, it is not well understood how IgG concentration changes over the first week of life. The primary objective...

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Bibliographic Details
Main Authors: H.M. Goetz, M.A. Steele, K. Nott, H.R. McCarthy, A.J. Lopez, M.C. Cantor, D.L. Renaud
Format: Article
Language:English
Published: Elsevier 2025-06-01
Series:Journal of Dairy Science
Subjects:
colostrum management
passive immunity
calf health
Online Access:http://www.sciencedirect.com/science/article/pii/S0022030225002589
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