Association between Serum Total Protein and Immunoglobulin G Measures in Calves Fed a Whole Colostrum Derived Colostrum Replacer

Authors

  • J. Belz University of Minnesota, St. Paul, MN 55108
  • S. Godden University of Minnesota, St. Paul, MN 55108
  • D. M. Haines University of Saskatchewan, Saskatoon, SK, Canada S7N 5B4
  • K. Leslie Department of Population Medicine, University of Guelph, Guelph, ON, Canada N1G 2W1
  • B. Nelson Department of Population Medicine, University of Guelph, Guelph, ON, Canada N1G 2W1

DOI:

https://doi.org/10.21423/aabppro20094322

Keywords:

serum total protein, colostrum replacers, colostrum derived colostrum replacers, maternal colostrum

Abstract

Use of refractometers to measure serum total protein (TP, g/dl) is a good method for monitoring passive transfer of IgG in groups of calves. Calloway and others (2002) reported that a serum TP concentrations of 5.0 or 5.2 g/dl most accurately predicted adequate passive transfer, defined as serum IgG of 10 mg/mL. The relationship between serum TP and IgG has been determined for calves fed maternal colostrum (MC), but not for calves fed whole colostrum derived colostrum replacers (CR). The objective of this study is to describe the relationship between serum TP (g/dl) and IgG concentrations (mg/mL) at 24 hours of age in calves fed whole colostrum derived CR vs calves fed raw MC.

Cover image of the 42nd Conference Proceedings: Cattle grazing in a spring field along the horizon. In the foreground, one brown cow with a triangle marking and ear tags is posing. Yellow background.

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Published

2009-09-10

Issue

2009

Section

Research Summaries 3

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