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Different stressors elicit different responses in the salivary biomarkers cortisol, haptoglobin, and chromogranin A in pigs

  • S Ott
  • , L Soler
  • , C P H Moons
  • , M A Kashiha
  • , C Bahr
  • , J Vandermeulen
  • , S Janssens
  • , A M Gutiérrez
  • , D Escribano
  • , J J Cerón
  • , D Berckmans
  • , Frank Tuyttens
  • , T A Niewold

    Research output: Contribution to journalA1: Web of Science-articlepeer-review

    Abstract

    Most commonly, salivary cortisol is used in pig stress assessment, alternative salivary biomarkers are scarcely studied. Here, salivary cortisol and two alternative salivary biomarkers, haptoglobin and chromogranin A were measured in a pig stress study. Treatment pigs (n = 24) were exposed to mixing and feed deprivation, in two trials, and compared to untreated controls (n = 24). Haptoglobin differed for feed deprivation vs control. Other differences were only found within treatment. Treatment pigs had higher salivary cortisol concentrations on the mixing day (P < 0.05). Chromogranin A concentrations were increased on the day of refeeding (P < 0.05). Haptoglobin showed a similar pattern to chromogranin A. Overall correlations between the salivary biomarkers were positive. Cortisol and chromogranin A were moderately correlated (r = 0.49, P < 0.0001), correlations between other markers were weaker. The present results indicate that different types of stressors elicited different physiological stress responses in the pigs, and therefore including various salivary biomarkers in stress evaluation seems useful.

    Original languageEnglish
    JournalResearch in Veterinary Science
    Volume97
    Issue number1
    Pages (from-to)124-8
    Number of pages5
    ISSN0034-5288
    DOIs
    Publication statusPublished - 2014

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