Comparison of tests for failure of passive transfer in neonatal calf serum using total protein refractometry and the biuret method
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Failure of passive transfer (FPT) is defined as failure to absorb colostral antibodies sufficient to achieve a serum Immunoglobulin G (IgG) concentration >10 g/L. Immunoglobulin G can be measured directly in calf serum using radial immunodiffusion (RID), or in... ...
