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Title:Maternal and fetal hair cortisol concentrations in beef cattle at delivery
Authors:Peric, Tanja (Author)
Probo, Monica (Author)
Comin, Antonella (Author)
Veronesi, Maria Cristina (Author)
Montillo, Marta (Author)
Prandi, Alberto (Author)
Files:This document has no files. This document may have a phisical copy in the library of the organization, check the status via COBISS. Link is opened in a new window
Language:English
Work type:Not categorized (r6)
Tipology:1.12 - Published Scientific Conference Contribution Abstract
Organization:UNG - University of Nova Gorica
Abstract:Hypothalamus-pituitary-adrenal (HPA) axis of both mother and fetus, is one of key mechanisms involved in fetal programming. Cortisol, the end-product of this axis, plays a critical role in regulating fetal and new-born metabolism and development. The aim of the study was to evaluate maternal and fetal cortisol concentrations shortly after delivery on hair samples non-invasively collected. The study was carried out on 11 pairs of beef cows and their calves (calves were 12 because of one case of twins) from the same farm and subjected to the same managerial conditions. Hair from new-born calves and from their mothers was collected on the day of birth shaving their withers to the level of the skin. The hair cortisol concentrations (HCC) were determined by RIA as previously described (Peric et al. 2013: J Dairy Sci 96:3023–3027). The results showed that fetal and maternal HCC ranged from 16.11 to 40.43 pg/mg and from 1.88 to 15.73 pg/mg respectively, with fetal and maternal mean ± SE HCC of 23.72 ± 2.21 and 6.40 ± 1.32 pg/mg respectively (p < 0.001). Fetal HCC were on average 3.5 higher than those of mothers but this ratio differed among the pairs. These differences were also found among the twin calves. These results indicate that in beef cows-and-calves pairs, although HCC at delivery were always higher in calves than in cows, the ratio between fetal and maternal HCC differs among pairs, suggesting an individuality in the fetal programming processes that may also rely on genetic and epigenetic factors.
Keywords:hair, cortisol, cattle, delivery
Year of publishing:2018
Number of pages:1
COBISS_ID:5368827 Link is opened in a new window
URN:URN:SI:UNG:REP:WZ9MM2YJ
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Record is a part of a monograph

Title:Proceedings of the 22nd Annual Conference of the European Society for Domestic Animal Reproduction (ESDAR), 27-29 September, 2018, Cordoba, Spain.
Conference organizer:European Society for Domestic Animal Reproduction (ESDAR)
Collection title:Reproduction in domestic animals
Collection numbering:53 (S2)
Collection ISSN:0936-6768
Place of publishing:Cordoba
Year of publishing:2018

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