Salivary cortisol as a non-invasive approach to assess stress in dystocic dairy calves

Abstract The intensity and the magnitude of saliva cortisol responses were investigated during the first 48 h following birth in newborn dairy calves which underwent normal (eutocic, EUT, n = 88) and difficult (dystocic, DYS, n = 70) calvings. The effects of parity and body condition of the dam, the...

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Autores principales:	Levente Kovács, Fruzsina Luca Kézér, Szilárd Bodó, Ferenc Ruff, Rupert Palme, Ottó Szenci
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/c20af3bf65d142e882f137f9e766b391
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spelling	oai:doaj.org-article:c20af3bf65d142e882f137f9e766b3912021-12-02T17:05:45ZSalivary cortisol as a non-invasive approach to assess stress in dystocic dairy calves10.1038/s41598-021-85666-92045-2322https://doaj.org/article/c20af3bf65d142e882f137f9e766b3912021-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-85666-9https://doaj.org/toc/2045-2322Abstract The intensity and the magnitude of saliva cortisol responses were investigated during the first 48 h following birth in newborn dairy calves which underwent normal (eutocic, EUT, n = 88) and difficult (dystocic, DYS, n = 70) calvings. The effects of parity and body condition of the dam, the duration of parturition, the time spent licking the calf, the sex and birth weight of the calf were also analyzed. Neonatal salivary cortisol concentrations were influenced neither by factors related to the dam (parity, body condition) nor the calf (sex, birth weight). The duration of parturition and the time spent licking the calf also had no effect on salivary cortisol levels. Salivary cortisol concentrations increased rapidly after delivery in both groups to reach their peak levels at 45 and 60 min after delivery in EUT and DYS calves, respectively supporting that the birth process means considerable stress for calves and the immediate postnatal period also appears to be stressful for newborn calves. DYS calves exhibited higher salivary cortisol concentrations compared to EUT ones for 0 (P = 0.022), 15 (P = 0.016), 30 (P = 0.007), 45 (P = 0.003), 60 (P = 0.001) and 120 min (P = 0.001), and for 24 h (P = 0.040), respectively. Peak levels of salivary cortisol and the cortisol release into saliva calculated as AUC were higher in DYS than in EUT calves for the 48-h of the sampling period (P = 0.009 and P = 0.003, respectively). The greater magnitude of saliva cortisol levels in DYS calves compared to EUT ones suggest that difficult parturition means severe stress for bovine neonates and salivary cortisol could be an opportunity for non-invasive assessment of stress during the early neonatal period in cattle.Levente KovácsFruzsina Luca KézérSzilárd BodóFerenc RuffRupert PalmeOttó SzenciNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-7 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Levente Kovács Fruzsina Luca Kézér Szilárd Bodó Ferenc Ruff Rupert Palme Ottó Szenci Salivary cortisol as a non-invasive approach to assess stress in dystocic dairy calves
description	Abstract The intensity and the magnitude of saliva cortisol responses were investigated during the first 48 h following birth in newborn dairy calves which underwent normal (eutocic, EUT, n = 88) and difficult (dystocic, DYS, n = 70) calvings. The effects of parity and body condition of the dam, the duration of parturition, the time spent licking the calf, the sex and birth weight of the calf were also analyzed. Neonatal salivary cortisol concentrations were influenced neither by factors related to the dam (parity, body condition) nor the calf (sex, birth weight). The duration of parturition and the time spent licking the calf also had no effect on salivary cortisol levels. Salivary cortisol concentrations increased rapidly after delivery in both groups to reach their peak levels at 45 and 60 min after delivery in EUT and DYS calves, respectively supporting that the birth process means considerable stress for calves and the immediate postnatal period also appears to be stressful for newborn calves. DYS calves exhibited higher salivary cortisol concentrations compared to EUT ones for 0 (P = 0.022), 15 (P = 0.016), 30 (P = 0.007), 45 (P = 0.003), 60 (P = 0.001) and 120 min (P = 0.001), and for 24 h (P = 0.040), respectively. Peak levels of salivary cortisol and the cortisol release into saliva calculated as AUC were higher in DYS than in EUT calves for the 48-h of the sampling period (P = 0.009 and P = 0.003, respectively). The greater magnitude of saliva cortisol levels in DYS calves compared to EUT ones suggest that difficult parturition means severe stress for bovine neonates and salivary cortisol could be an opportunity for non-invasive assessment of stress during the early neonatal period in cattle.
format	article
author	Levente Kovács Fruzsina Luca Kézér Szilárd Bodó Ferenc Ruff Rupert Palme Ottó Szenci
author_facet	Levente Kovács Fruzsina Luca Kézér Szilárd Bodó Ferenc Ruff Rupert Palme Ottó Szenci
author_sort	Levente Kovács
title	Salivary cortisol as a non-invasive approach to assess stress in dystocic dairy calves
title_short	Salivary cortisol as a non-invasive approach to assess stress in dystocic dairy calves
title_full	Salivary cortisol as a non-invasive approach to assess stress in dystocic dairy calves
title_fullStr	Salivary cortisol as a non-invasive approach to assess stress in dystocic dairy calves
title_full_unstemmed	Salivary cortisol as a non-invasive approach to assess stress in dystocic dairy calves
title_sort	salivary cortisol as a non-invasive approach to assess stress in dystocic dairy calves
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/c20af3bf65d142e882f137f9e766b391
work_keys_str_mv	AT leventekovacs salivarycortisolasanoninvasiveapproachtoassessstressindystocicdairycalves AT fruzsinalucakezer salivarycortisolasanoninvasiveapproachtoassessstressindystocicdairycalves AT szilardbodo salivarycortisolasanoninvasiveapproachtoassessstressindystocicdairycalves AT ferencruff salivarycortisolasanoninvasiveapproachtoassessstressindystocicdairycalves AT rupertpalme salivarycortisolasanoninvasiveapproachtoassessstressindystocicdairycalves AT ottoszenci salivarycortisolasanoninvasiveapproachtoassessstressindystocicdairycalves
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Salivary cortisol as a non-invasive approach to assess stress in dystocic dairy calves

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