| Title: | Maternal and fetal hair cortisol concentrations in beef cattle at delivery |
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| Authors: | ID Peric, Tanja, Laboratory for Environmental and Life Sciences, University of Nova Gorica, Nova Gorica, Slovenia (Author)
ID Probo, Monica, Department of Veterinary Medicine, University of Milan, Milan, Italy (Author)
ID Comin, Antonella, Department of Agrofood Environmental and Animal Sciences, University of Udine, Udine, Italy (Author)
ID Veronesi, Maria Cristina, Department of Veterinary Medicine, University of Milan, Milan, Italy (Author)
ID Montillo, Marta, Department of Agrofood Environmental and Animal Sciences, University of Udine, Udine, Italy (Author)
ID Prandi, Alberto, Department of Agrofood Environmental and Animal Sciences, University of Udine, Udine, Italy (Author) |
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| Files: |
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| Language: | English |
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| Work type: | Not categorized |
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| Typology: | 1.12 - Published Scientific Conference Contribution Abstract |
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| Organization: | UNG - University of Nova Gorica
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| 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. |
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| Keywords: | hair, cortisol, cattle, delivery |
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| Publication status: | Published |
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| Year of publishing: | 2018 |
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| Number of pages: | 1 |
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| PID: | 20.500.12556/RUNG-4460-7278d412-d82a-288e-e3e6-ce93940285ea |
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| COBISS.SI-ID: | 5368827 |
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| NUK URN: | URN:SI:UNG:REP:WZ9MM2YJ |
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| Publication date in RUNG: | 09.04.2019 |
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| Views: | 4272 |
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| Downloads: | 0 |
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