Cited by 19Animal health and immunologyRuminant Nutrition and Digestive PhysiologyVeterinary Medicine and Surgery

Dietary influences on the hydration and acid–base status of experimentally dehydrated dairy calves

Kirchner, D., Schwedhelm, L., Coenen, M., Bachmann, L.·2014·The Veterinary Journal

Abstract

The incorporation of oral rehydration solutions (ORS) into 'milk meals' is potentially an effective, time-saving method of treating diarrhoeic calves. Although milk-based ORS are effective in improving the hydration and acid-base status of healthy calves, this effect remains to be confirmed in dehydrated/diarrhoeic animals. In this study, six experimentally-dehydrated calves were fed with either milk replacer (MR) or an ORS prepared in either water (WORS) or MR (MORS). In one experiment, calves were not treated and blood samples were taken before and after feeding. Parameters of hydration status were determined and blood gas analysis was performed. Plasma volumes increased significantly following the intake of a 'fluid meal' whereas they remained constant in the absence of treatment. The rate of plasma volume expansion was reduced by the feeding of MR relative to WORS or MORS. In dehydrated calves, the expansion of plasma volume was more pronounced following the intake of WORS but the increase was less and plasma osmolality increased significantly following the ingestion of MORS. The acid-base status of animals improved as a result of fluid absorption, but this effect was less obvious as the experimental protocol resulted in severe dehydration and moderate acidosis. Feeding hypertonic MORS raised the plasma osmolality in dehydrated calves, and may increase the risk of hypernatraemia in diarrhoeic calves, which should therefore have ad libitum access to water when undergoing treatment with hypertonic ORS. Further research is planned to assess whether feeding ORS reconstituted in milk or MR combined with ad libitum access to water offers a practical treatment for diarrhoeic calves.

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Crossref · 10.1016/j.tvjl.2013.11.007

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Authors
Kirchner, D., Schwedhelm, L., Coenen, M., & Bachmann, L.
Affiliations
Leipzig University (DE)
Corresponding author
Bachmann, L.
Venue
The Veterinary Journal
Publisher
Elsevier BV
Published
2014-02
Volume
199
Issue
2
Pages
251-257
ISSN
1090-0233 (ISSN-L)
OpenAlex
W2009920703
Cited by
19
References
29
Citations by year
2026: 2 · 2025: 1 · 2024: 3 · 2023: 3 · 2022: 1 · 2021: 1 · 2020: 1 · 2019: 1 · 2017: 1 · 2016: 2 · 2015: 3
FWCI
2.35
Type
journal article
Language
en
Open access
closed
Locations
  • The Veterinary Journal (publishedVersion)
  • PubMed (publishedVersion)
Funders
Deutsche Forschungsgemeinschaft
Topics
  • Health Sciences › Veterinary › Small Animals › Animal health and immunology
  • Life Sciences › Agricultural and Biological Sciences › Agronomy and Crop Science › Ruminant Nutrition and Digestive Physiology
  • Health Sciences › Veterinary › Small Animals › Veterinary Medicine and Surgery
Keywords
oral rehydration solution, dairy calves, dehydration, diarrhea, acid-base status, plasma expansion, plasma osmolality, milk replacer, hypernatremia, acidosis
MeSH terms
Acid-Base Equilibrium, Animals, Cattle, Cattle Diseases, Dehydration, Diarrhea, Diet, Fluid Therapy, Male, Milk, Osmolar Concentration, Plasma Volume, Solutions, Milk Substitutes

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