Abstract
This study assessed serum samples from 10 crossbred Canchim-Nelore calves, which were born from 5 primiparous and 5 pluriparous cows. The aim was to determine serum activities of gama-glutamyltransferase and alkaline phosphatase as well as serum concentrations of total protein, albumin, globulins, including immunoglobulin. These samples were collected just after birth and when calves were 1, 2, 7, 15 and 30 days old. Research findings revealed adequate transfer of colostrum immunoglobulins in both groups. There was a reduction of albumin concentrations, whereas serum activities of both enzymes and serum concentrations of total proteins, globulins and immunoglobulins increased after colostrum intake.
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