Thiol/Disulphide Homeostasis in the Relationship Between Body Condition Score and Oxidative Stress in Periparturient Period Holstein Heifers

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dc.authorid0000-0002-4011-1050
dc.authorid0000-0003-2732-9490
dc.authorid0000-0001-7074-8573
dc.authorid0009-0001-3565-3066
dc.authorid0009-0007-2231-7753
dc.authorid0009-0008-0763-0781
dc.contributor.authorKayar, Tamer
dc.contributor.authorÖzkurt, Güzin
dc.contributor.authorErzurum, Onur
dc.contributor.authorEr, Kübra
dc.contributor.authorBüyükgüngör, Beril
dc.contributor.authorGeçgel, Beyza Nur
dc.contributor.authorKaraburç, Muhammet Nureddin
dc.date.accessioned2025-04-22T11:13:07Z
dc.date.available2025-04-22T11:13:07Z
dc.date.issued2025
dc.departmentVeteriner Fakültesi
dc.description.abstractThis study aimed to evaluate the effects of body condition scores (BCSs) on oxidative stress and thiol/disulphide homeostasis (TDH) in Holstein pregnant heifers during the transition period. A total of 36 healthy primiparous heifers in the 7th month of pregnancy, all approaching their first calving, were included in the study. The animals were allocated into three equal groups based on their BCS. The BCS measurements were performed 21 days pre-calving and on the 21st day post-calving. Pre-calving and post-calving serum levels of total thiol (TTL), native thiol (NTL) and disulphide (DSF) were quantified using standard techniques. The study revealed significant differences in BCS, TTL and DSF values among groups both pre- and post-calving (p < 0.05), whereas the changes in NTL values were statistically insignificant (p > 0.05). Overall, a decrease in BCS and NTL levels was observed, accompanied by an increase in TTL and DSF levels. Correlation analysis within groups indicated low-level relationships between changes in BCS and TTL, NTL and DSF levels. Consequently, regression analysis did not yield any statistically significant predictive models. The results showed a differential response between the loss of BCS and the oxidative stress during the periparturient period. The increased DSF levels observed during late pregnancy and early lactation indicate a deficiency in antioxidant substances in the animals. Therefore, supplementing the ration with a premix containing antioxidant substances during the transition period may provide significant benefits in terms of maintaining the BCS balance, animal welfare and herd health.
dc.identifier.doi10.1002/vms3.70326
dc.identifier.issn20531095
dc.identifier.issue3
dc.identifier.pmid40184051
dc.identifier.scopus2-s2.0-105002085320
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://dx.doi.org/10.1002/vms3.70326
dc.identifier.urihttps://hdl.handle.net/20.500.12451/13110
dc.identifier.volume11
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.institutionauthorKayar, Tamer
dc.institutionauthorÖzkurt, Güzin
dc.institutionauthorid0000-0002-4011-1050
dc.institutionauthorid0000-0003-2732-9490
dc.language.isoen
dc.publisherJohn Wiley and Sons Inc
dc.relation.ispartofVeterinary Medicine and Science
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectBody Condition Score
dc.subjectOxidative Stress
dc.subjectPrimiparous Heifer
dc.subjectThiol/disulphide Homeostasis
dc.subjectTransition Period
dc.titleThiol/Disulphide Homeostasis in the Relationship Between Body Condition Score and Oxidative Stress in Periparturient Period Holstein Heifers
dc.typeArticle

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