Evaluation of passive immunity transfer in Danish dairy calves measured by enzyme-linked immunosorbent assay and Brix refractometer
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Calves are born agammaglobulinemic and depend on transfer of passive immunity from colostrum. Failure of transfer of passive immunity (FTPI) and adequate transfer of passive immunity (ATPI) are defined as serum immunoglobulin G (IgG) levels < 10 and ≥ 10 mg/m... ...
