Abstract
The extrinsic factors affecting the concentration of biochemical parameters such as transportation and storage at different temperatures are still wellspring of interest. This study is aimed at investigating the effects of time and environmental temperature on the concentration of β-hydroxybutyrate and total protein in ewe serum and plasma samples. The serum and plasma were separated from jugular vein blood samples of 80 ewes (2–3 years old). After being stored at temperatures of 4, 22–24, and 37 °C for 24 h, the serum and plasma samples were evaluated to measure their β-hydroxybutyrate and total protein concentration at zero time (T0) and 24 h (T24) after storage. The results showed that the concentration of β-hydroxybutyrate and total protein in these samples significantly increased after 24 h of storage at 37 °C compared to T0 (P < 0.05). However, the concentration of β-hydroxybutyrate and total protein in the samples at 4 °C and 22–24 °C decreased significantly as compared to 37 °C (P < 0.05). Moreover, the total protein concentration in serum and plasma decreased significantly after 24-h storage at 4 °C and 22–24 °C, while a significant increase occurred at 37 °C compared to T0 (P < 0.05). The findings also showed a significant reduction in the total protein concentration in serum and plasma at 4 °C and 22–24 °C compared to 37 °C (P < 0.05). However, there was no significant reduction in the plasma and total protein concentration at 4 °C compared to 22–24 °C (P > 0.05). According to the results, the concentration of β-hydroxybutyrate and total protein in the samples was not stable 24 h after sampling. Besides, the total protein concentration in the serum samples at 4 °C and 22–24 °C was not acceptable.
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The datasets generated during and/or analysed during the current study are available from the corresponding author on reasonable request.
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Acknowledgements
This paper has been extracted from a DVM thesis of Nasim Erfani and the authors would like to express their special thanks and gratitude to the esteemed principal of the Faculty of Veterinary Medicine at Lorestan University and the Vice Dean of Research who gave us this opportunity to conduct this research in the laboratories of the Department of Veterinary Medicine.
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Nasim Erfani: conceptualization, methodology, investigation, and writing original draft. Shahram Maleki: project administration, writing, reviewing, and editing. Amir Zakian: writing original draft, writing, reviewing, editing, data curation, and formal analysis. Moein Yazdkhasti: methodology and validation.
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This study was funded in part by Lorestan University (grant No.: LU-9311511035–2020).
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Erfani, N., Maleki, S., Zakian, A. et al. Evaluation of the effects of time and ambient temperature on the concentration stability of β-hydroxybutyrate and total protein in serum and plasma samples of sheep: a preliminary study about technical method. Comp Clin Pathol 32, 211–216 (2023). https://doi.org/10.1007/s00580-022-03427-0
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DOI: https://doi.org/10.1007/s00580-022-03427-0