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Quantification of stress sensitive markers in single fecal samples do not accurately predict excretion of these in the pig
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Neuroscience, Comparative Medicine.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Neuroscience, Comparative Medicine.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Neuroscience, Comparative Medicine.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Neuroscience, Comparative Medicine.
2007 (English)In: Research in Veterinary Science, ISSN 0034-5288, E-ISSN 1532-2661, Vol. 82, no 3, 423-428 p.Article in journal (Refereed) Published
Abstract [en]

All feces produced during 24 h were collected from five pigs and cortisol and immunoreactive cortisol metabolites (CICM), and IgA were quantified. Within pigs, the concentrations of CICM and IgA varied extensively between random samples obtained from a single fecal dropping, and deviated in most cases significantly from the true concentration measured in total fecal output (CV 6.7-130%). The CICM and IgA contents varied considerably (CV 8.1-114%) within and between individual fecal droppings from the same pig compared to the total fecal excretion. In conclusion, single random samples could not be used to reliably quantify the total fecal concentration or excretion of CICM or IgA in pigs. Analyses of all feces collected during shorter periods than 24 h did not provide an accurate estimate of the daily excretion of CICM. Thus, the concentration of stress sensitive molecules in random single fecal samples as an indicator of animal welfare should be interpreted with prudence.

Place, publisher, year, edition, pages
2007. Vol. 82, no 3, 423-428 p.
Keyword [en]
Cortisol, immunoglobulin A, stress, pigs, feces, animal welfare
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:uu:diva-105006DOI: 10.1016/j.rvsc.2006.09.005ISI: 000246449400022PubMedID: 17101160OAI: oai:DiVA.org:uu-105006DiVA: diva2:220339
Available from: 2009-05-31 Created: 2009-05-31 Last updated: 2017-12-13Bibliographically approved

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