Evaluation of heat and pH treatments on degradation of ceftiofur in whole milk

Authors

  • A. Garzon Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, Davis, Davis, CA
  • P. Pandey Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, Davis, Davis, CA
  • L. Tell Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California, Davis, CA
  • S. Aly Department of Population Health and Reproduction, School of Veterinary Medicine - Veterinary Medicine Teaching and Research Center, University of California, Davis, Tulare, CA
  • R. Pereira Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, Davis, Davis, CA

DOI:

https://doi.org/10.21423/aabppro20197196

Keywords:

waste milk feeding, antimicrobial resistant bacteria, ceftiofur, ceftiofur free acid equivalents, heat, pH treatments

Abstract

Waste milk feeding practices have been implicated as a potential source for disseminating antimicrobial resistant bacteria among animals and the environment. Feeding dairy heifers raw milk with low concentrations of antimicrobials increases the proportion of antimicrobial resistance. Two potential interventions to degrade antimicrobial drugs in milk are heat and pH treatment. The aim of this study was to evaluate the effect of heat and pH treatments on the degradation of ceftiofur and ceftiofur free acid equivalents (CFAE) in milk at concentrations previously found in waste milk on dairy farms

Cover image of the 52nd Conference Proceedings: A photo of a herd of cattle shot from below. A black and white cow is looking curiously at the phototgrapher. Yellow

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Published

2019-09-12

Issue

2019

Section

Research Summaries

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