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Title:Hair cortisol and testosterone concentrations and semen production of Bos taurus bulls
Authors:ID Stradaioli, Giuseppe, Dipartimento di Scienze AgroAlimentari, Ambientali e Animali, University of Udine, Udine, Italy (Author)
ID Peric, Tanja, Dipartimento di Scienze AgroAlimentari, Ambientali e Animali, University of Udine, Udine, Italy; Center za biomedicinske znanosti in inženiring, University of Nova Gorica, Nova Gorica, Slovenia (Author)
ID Montillo, Marta, Dipartimento di Scienze AgroAlimentari, Ambientali e Animali, University of Udine, Udine, Italy (Author)
ID Comin, Antonella, Dipartimento di Scienze AgroAlimentari, Ambientali e Animali, University of Udine, Udine, Italy (Author)
ID Corazzin, Mirco, Dipartimento di Scienze AgroAlimentari, Ambientali e Animali, University of Udine, Udine, Italy (Author)
ID Veronesi, Maria Cristina, Dipartimento di Scienze veterinarie per la salute, la produzione animale e la sicurezza alimentare, University of Milano, Milano, Italy (Author)
ID Prandi, Alberto, Dipartimento di Scienze AgroAlimentari, Ambientali e Animali, University of Udine, Udine, Italy (Author)
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Language:English
Work type:Not categorized
Typology:1.01 - Original Scientific Article
Organization:UNG - University of Nova Gorica
Abstract:The experiment was aimed to evaluate the usefulness of hair cortisol concentrations (HCC) in revealing the activation of the hypothalamic-pituitary-adrenal (HPA) axis due to the passage of young bulls from genetic rearing stations to artificial insemination (AI) centre and the influence of this passage on hair testosterone concentrations (HTC). Hair samples on 33 yearling bulls were collected at the time of arrival (ST1) to the AI centre and 3 more hair samples (ST2, ST3, ST4) were collected at monthly intervals. After the end of quarantine each animal was submitted to the standard procedures for collection and production of semen. Overall HCC were significantly affected by period of collection (p<.01). In particular, HCC was higher in samples obtained after finishing the quarantine period (ST2) compared with those obtained on ST1. After ST2, the HCC decreased reaching at ST4 a value similar to that recorded at ST1. An effect of sampling time on HTC was not found (p>.05). The effect of breed was observed only for HTC that was higher in PRI than BS (p<.01). The HCC group have not influenced the semen variables (p>.05). On the contrary, the effect of breed was evident. The results of this study replicated the effects of a major environmental stressor on mean cortisol concentrations assessed in hair, and add to the growing body of evidence that HCC is an effective and simply collected marker for long-term activity of the HPA system in response to persistent environmental challenge.
Keywords:Hair, bulls, cortisol, testosterone, semen
Publication version:Author Accepted Manuscript
Year of publishing:2017
Number of pages:9
Numbering:2017
PID:20.500.12556/RUNG-3023-88e4201a-6771-9fca-23a3-a8e7eb745a3b New window
COBISS.SI-ID:4723451 New window
DOI:10.1080/1828051X.2017.1303339 New window
NUK URN:URN:SI:UNG:REP:SMRIFYNI
Publication date in RUNG:20.03.2017
Views:6427
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Record is a part of a journal

Title:Italian Journal of Animal Science
Publisher:PAGEpress
Year of publishing:2017
ISSN:1828-051X

Licences

License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:20.03.2017

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