Close-up diet DCAD, urine pH, and total plasma calcium at calving on a commercial Jersey herd

Authors

  • A. Valldecabres Veterinary Medicine Teaching and Research Center, University of California Davis, Tulare, CA 93274
  • D. Rolle Veterinary Medicine Teaching and Research Center, University of California Davis, Tulare, CA 93274
  • V. J. Ramirez Veterinary Medicine Teaching and Research Center, University of California Davis, Tulare, CA 93274
  • N. Silva-del-Río Veterinary Medicine Teaching and Research Center, University of California Davis, Tulare, CA 93274

DOI:

https://doi.org/10.21423/aabppro20163442

Keywords:

milk fever, diet, urine, parturition

Abstract

Inducing a compensated metabolic acidosis by feeding anionic salts in close-up cows has been shown by some researchers to be a useful strategy for milk fever prevention. The objectives of this study were to 1) determine the daily variability of the dietary cation-anion difference (DCAD) in close-up diets; 2) evaluate the daily variability of urine pH and the proportion of cows that were properly acidified based on urine pH; 3) determine if acidification levels were maintained as parturition approached; 4) investigate the relationship between DCAD level and urine pH; and 5) evaluate the association between urine pH days prior to calving and postpartum calcium concentration on a commercial Jersey herd.

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Published

2016-09-15

Issue

Section

Research Summaries 1

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