Milk Urea Nitrogen and Infertility in Florida Dairy Cows

Authors

  • Pedro Melendez Dept Large Animal Clinical Sci, College of Veterinary Medicine, University of Florida
  • Art Donovan Dept Large Animal Clinical Sci, College of Veterinary Medicine, University of Florida
  • Jorge Hernandez Dept Large Animal Clinical Sci, College of Veterinary Medicine, University of Florida

DOI:

https://doi.org/10.21423/aabppro19995518

Keywords:

milk urea nitrogen, pregnancy status, dietary protein

Abstract

While the negative impact of dietary protein on fertility in dairy cattle has been documented in several studies, the effect of urea nitrogen on fertility in dairy cattle in large dairy operations has not been fully investigated. The objective of this study was to assess the association between milk urea nitrogen (MUN) concentrations (high, low) and pregnancy status 42-49 days after first breeding in Florida dairy cows.

Cover image of the 33rd Conference Proceedings: Herd of Holstein cattle grazing in a field. Large barn and silos in background. Yellow background.

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Published

1999-09-23

Issue

1999

Section

Research Summaries 1