2019
DOI: 10.3168/jds.2018-14754
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Oxidative stress and acid–base balance during the transition period of neonatal Holstein calves submitted to different calving times and obstetric assistance

Abstract: During the neonatal period, constant adaptations to the extrauterine environment are required. These adaptations are made impossible or hindered when unexpected obstetrical events take place. This study aimed to identify clinical changes of vitality, metabolic and acid-base balance, and oxidative stress of newborn (glutathione peroxidase).

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Cited by 11 publications
(9 citation statements)
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“…We also highlight that the increase in pH, pO 2 and sO 2 , BE, and bicarbonate values may have been influenced by age. Similar results were observed by Vannucchi et al [6] in a study carried out on neonatal Holstein calves submitted to different calving times and obstetric assistance.…”
Section: Discussionsupporting
confidence: 90%
See 1 more Smart Citation
“…We also highlight that the increase in pH, pO 2 and sO 2 , BE, and bicarbonate values may have been influenced by age. Similar results were observed by Vannucchi et al [6] in a study carried out on neonatal Holstein calves submitted to different calving times and obstetric assistance.…”
Section: Discussionsupporting
confidence: 90%
“…Parturition is a challenging period for both the cow and the newborn calf [1,2]. During this phase profound physiological changes occur [3][4][5], and adaptations to the extrauterine environment are essential for the calf's vitality and health [6]. Among these adaptations, particular emphasis needs to be placed on those that are performed by the cardiorespiratory system that supports the profound changes that occur in blood circulation, such as the closure of the ductus arteriosus that is caused by increased blood oxygenation.…”
Section: Introductionmentioning
confidence: 99%
“…Norepinephrine (a member of catecholamine family) is released from the nerve terminals in the vicinity of immune cells. Catecholamine concentrations are elevated in the blood of dairy cattle during stressful conditions [ 56 ]. The majority of immune cells (PMNs, macrophages, T and B lymphocytes, and NK cells) express β2-adrenergic receptors on their surface.…”
Section: Role Of Hpa Axis In Innate Immunitymentioning
confidence: 99%
“…The birth itself, the immature immune system, the high risk of contamination, and the transition from milk to solid feeds all act as stressors, usually exacerbated by environmental effects such as bad hygiene or heat stress (Weary et al 2008;Hulbert and Moisá 2016;Kertz et al 2017). Some of these factors can cause OS in calves (McGrath 2016;Vannucchi et al 2019). The adverse effects of the above factors should be significantly reduced in order to produce good quality breeding animals for cow replacement.…”
mentioning
confidence: 99%