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Hair cortisol concentration in clinically healthy slaughter calves with and ­without chronic bronchopneumonic ­lesions


Braun, Ueli; Wiest, A; Lutz, Thomas A; Riond, Barbara; Hilbe, Monika; Baumgartner, M; Binz, T (2019). Hair cortisol concentration in clinically healthy slaughter calves with and ­without chronic bronchopneumonic ­lesions. Schweizer Archiv für Tierheilkunde, 161(10):639-647.

Abstract

The hypothesis of this study was that healthy calves undergo less stress and thus have lower hair cortisol concentrations than calves with chronic bronchopneumonic lesions. Fifty healthy calves (group 1) and 50 calves with chronic bronchopneumonic lesions (group 2) were used immediately after slaughter, at which time hair samples and both adrenal glands were collected. The hair samples and the left adrenal gland were used for cortisol measurement and the right adrenal gland was used for histological and morphometrical examinations. The median hair cortisol concentrations of calves in groups 1 and 2 were 1.6 and 1.9 pg/mg hair, respectively, and did not differ significantly. The same was true for the mean cortisol concentration of the adrenal gland (1.1 and 1.4 µg/g tissue) and for the adrenal cortisol content (3.7 and 4.6 µg). The weights of the cortex (3.3, mean, and 3.5 g, median) and medulla (1.7 and 1.8 g, both median) did not differ significantly between the groups. This study did not detect differences in hair and adrenal cortisol concentrations between clinically healthy slaughter calves with and without chronic bronchopneumonic lesions. In further studies, calves with clinical signs should be taken into account.

Abstract

The hypothesis of this study was that healthy calves undergo less stress and thus have lower hair cortisol concentrations than calves with chronic bronchopneumonic lesions. Fifty healthy calves (group 1) and 50 calves with chronic bronchopneumonic lesions (group 2) were used immediately after slaughter, at which time hair samples and both adrenal glands were collected. The hair samples and the left adrenal gland were used for cortisol measurement and the right adrenal gland was used for histological and morphometrical examinations. The median hair cortisol concentrations of calves in groups 1 and 2 were 1.6 and 1.9 pg/mg hair, respectively, and did not differ significantly. The same was true for the mean cortisol concentration of the adrenal gland (1.1 and 1.4 µg/g tissue) and for the adrenal cortisol content (3.7 and 4.6 µg). The weights of the cortex (3.3, mean, and 3.5 g, median) and medulla (1.7 and 1.8 g, both median) did not differ significantly between the groups. This study did not detect differences in hair and adrenal cortisol concentrations between clinically healthy slaughter calves with and without chronic bronchopneumonic lesions. In further studies, calves with clinical signs should be taken into account.

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Additional indexing

Other titles:Haarcortisolkonzentrationen bei klinisch gesunden Schlachtkälbern mit und ohne bronchopneumonische Läsionen
Item Type:Journal Article, refereed, original work
Communities & Collections:05 Vetsuisse Faculty > Institute of Veterinary Physiology
05 Vetsuisse Faculty > Institute of Veterinary Pathology
05 Vetsuisse Faculty > Veterinary Clinic > Department of Farm Animals
05 Vetsuisse Faculty > Veterinary Clinic > Department of Clinical Diagnostics and Services
Dewey Decimal Classification:570 Life sciences; biology
630 Agriculture
Scopus Subject Areas:Health Sciences > General Veterinary
Uncontrolled Keywords:Bronchopneumonie; Cortisol Haare und Nebennieren; Kalb; Lunge; adrenal gland; bronchopneumonia; bronchopneumonie; broncopolmonite; calf; cortisol; cortisolo; ghiandola surrenale; glande surrénale; hair; lung; pelo; poil; polmone; poumon; veau; vitello
Language:English
Date:5 October 2019
Deposited On:11 Oct 2019 07:14
Last Modified:29 Jul 2020 11:27
Publisher:Gesellschaft Schweizer Tierärztinnen und Tierärzte
ISSN:0036-7281
OA Status:Green
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.17236/sat00226
PubMed ID:31586926

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