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Does the early life environment and piglets health effect hair cortisol, dehdyroepiandrosterone (DHEA) and the cortisol:DHEA ratio?

This study investigated if early life management practices influence the stress of pigs and whether this is detectable by measuring cortisol, dehydroepiandrosterone (DHEA) and the cortisol:DHEA ratio in swine hair. There was no effect of early life management on hair hormones. Piglets with pre-weaning lameness exhibited a 58% higher cortisol:DHEA ratio, suggesting this may be a potential biomarker of lameness induced stress.

Presenter : Darian Pollock, darian.pollock@usask.ca

Principal supervisor : Yolande Seddon, yolande.seddon@usask.ca

Authors, co-authors : Darian Pollock1, David Janz1, Yolande Seddon1

1 NSERC Industrial Research Chair in Swine Welfare
Western College of Veterinary Medicine, University of Saskatchewan, Canada

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