Risk Factors for Bulk Tank Milk Fat Depression in Northeast and Midwest U.S. Dairy Herds Feeding Monensin

Authors

  • D. V. Nydam Cornell University, Dept. of Population Medicine and°Diagnostic Science, Ithaca, NY 14853
  • T. R. Overton Cornell University, Dept. of Animal Science, Ithaca, NY 14853
  • G. D. Mechor Elanco Animal Health, Orchard Park, NY
  • D. E. Bauman Cornell University, Dept. of Animal Science, Ithaca, NY 14853
  • T. C. Jenkins Clemson University, Dept. of Animal and Veterinary Science, Clemson, SC

DOI:

https://doi.org/10.21423/aabppro20084416

Keywords:

milk prices, milk fat percentage, biohydrogenation, risk factors, bulk tank, milk fat depression, fatty acid profile

Abstract

Farm gate milk prices in the US are based on milk components, including fat. Of these components, fat is most easily altered quickly. Understanding management strategies to influence milk fat percentage (MFP) is therefore useful. The biohydrogenation theory of milk fat depression (MFD) has improved our comprehension; however, many of the ruminal conditions that can result in MFD are not clearly understood. The objectives of this study were to investigate nutritional risk factors associated with bulk tank MFD and to characterize the fatty acid profile of bulk tank milk in relation to MFP in herds feeding monensin in the northeast and midwest US.

Cover image of the 41st Conference Proceedings: A herd of cattle standing in the field, framed by a cloudy sky. Yellow background.

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Published

2008-09-25

Issue

2008

Section

Research Summaries

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