Title
The effect of animal handling procedures on the blood non-esterified fatty acid and glucose concentrations of lactating dairy cowsThe effect of animal handling procedures on the blood non-esterified fatty acid and glucose concentrations of lactating dairy cows
Author
Faculty/Department
Faculty of Pharmaceutical, Biomedical and Veterinary Sciences. Veterinary Sciences
Research group
Veterinary physiology and biochemistry
Publication type
article
Publication
London,
Subject
Veterinary medicine
Source (journal)
The veterinary journal. - London
Volume/pages
187(2011):1, p. 81-84
ISSN
1090-0233
ISI
000287339900015
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Blood glucose and non-esterified fatty acid (NEFA) concentrations (often determined in cows to evaluate their energy status) can be influenced by stress. To assess whether the stress of routine handling prior to blood-sampling might influence the systemic concentrations of these compounds, blood samples were taken from two groups of lactating dairy cows and one group was subjected to routine handling procedures at 11 and 46 days post-partum (pp). The results were analysed using a linear mixed-effect model. The NEFA and glucose concentrations were significantly increased in the animals that had been handled when compared to the controls. The fatty acid composition of the NEFA fraction was altered at 46 days pp in the animals that had been handled prior to sampling. The findings suggest that handling lactating cows prior to blood-sampling should be minimised in order to reduce the effect on blood glucose and NEFA concentrations and possible consequent misinterpretation of the animals energy status.
E-info
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Handle