The effect of failed transfer of passive immunity and agammaglobulinemia on the occurrence of preweaning diarrhea, pneumonia, and mortality in Holstein calves

The effect of failed transfer of passive immunity and agammaglobulinemia on the occurrence of preweaning diarrhea, pneumonia, and mortality in Holstein calves

Aim of study: To evaluate the effect of failed transfer of passive immunity (FPI; Brix% < 8, equivalent to serum immunoglobulin G <10.1 g/L) and agammaglobulinemia (AG; Brix% ≤ 6.5, equal to 0 g/L serum immunoglobulin G) assessed with a digital Brix refractometer on the occurrence of pre-wean...

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Bibliographic Details
Main Authors: Mely T. Olivera, Jesús Mellado, José E. García, Juan A. Encina, Perpetuo Álvarez, Ulises Macías-Cruz, Leonel Avendaño, Miguel Mellado
Format: Article
Language:English
Published: Consejo Superior de Investigaciones Científicas (CSIC) 2025-01-01
Series:Spanish Journal of Agricultural Research
Subjects:
dairy calf
epidemiology
immunoglobulin
passive transfer
refractometer
Online Access:https://sjar.revistas.csic.es/index.php/sjar/article/view/20913
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