Results of an Observational Study Describing the Relationship Between Milk Urea Concentrations and Feeding Management and Performance in Ontario Dairy Herds

Authors

  • Sandra Godden Department of Clinical and Population Sciences, Veterinary Teaching Hospital, University of Minnesota, St. Paul, MN, 55018
  • Kerry Lissemore Department of Population Medicine, Veterinary Teaching Hospital, University of Minnesota, St. Paul, MN, 55018
  • David Kelton Department of Population Medicine, Veterinary Teaching Hospital, University of Minnesota, St. Paul, MN, 55018
  • Ken Leslie Department of Population Medicine, Veterinary Teaching Hospital, University of Minnesota, St. Paul, MN, 55018
  • John Lumsden Department of Pathobiology, Veterinary Teaching Hospital, University of Minnesota, St. Paul, MN, 55018
  • John Walton Department of Animal & Poultry Science, University of Guelph, Guelph, ON, N1G 2W1

DOI:

https://doi.org/10.21423/aabppro19995510

Keywords:

reproductive performance, production, efficiency, milk urea nitrogen

Abstract

A 13-month observational study of 60 Holstein herds in Ontario, Canada was performed to describe the relationship between milk urea nitrogen (MUN) concentrations, as measured by routine DHI testing, and nutritional management in commercial dairy herds. A second objective was to determine if MUN concentrations, as measured by routine DHI testing, were associated with performance in commercial dairy herds. Measures of performance included reproductive performance, production, and efficiency (cost) of production.

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Published

1999-09-23

Issue

Section

Research Summaries 1

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