Evalution of the relationship between milk glutathione peroxidase activity, milk composition and various parameters of subclinical mastitis under seasonal variations

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dc.contributor.authorColakoglu, Hatice E.
dc.contributor.authorKuplulu, Ozlem
dc.contributor.authorVural, Mehmet R.
dc.contributor.authorKuplulu, Sukru
dc.contributor.authorYazlik, Murat O.
dc.contributor.authorPolat, Ibrahim M.
dc.contributor.authorBayramoglu, Rustem
dc.date.accessioned2020-06-25T18:23:30Z
dc.date.available2020-06-25T18:23:30Z
dc.date.issued2017
dc.departmentKırıkkale Üniversitesi
dc.descriptionYAZLIK, Murat Onur/0000-0002-0039-5597
dc.description.abstractThe aims of this study were to evaluate the Glutathione peroxidase (GSH-Px) activity in milk, and various milk parameters [milk fat, milk protein, milk solids non-fat (SNF), somatic cell count (SCC), total bacteria count (TBC), electrical conductivity (EC)] in healthy dairy cows during lactation, and to demonstrate the significant correlations between GSH-Px activity, milk composition, SCC, TBC and EC under seasonal variations. The cows calving in January were assigned into the winter group (n = 30) while the other cows calving in August were assigned into the summer group (n = 30). Milk samples were collected weekly during lactation, and monthly average values of the parameters were determined. Although milk GSH-Px activity was variable during lactation, it was significantly higher in the winter group compared to the summer group of cows during the first five months of lactation (P<0.001). However, between the 6th and 10th months of lactation, GSH-Px activity was significantly higher in the summer group (P<0.001). In both groups of cows, GSH-Px activity was negatively correlated with SCC, TBC and EC during lactation. No correlation was found between GSH-activity and milk composition. In conclusion, the alteration of milk GSH-Px levels could be used as a diagnostic tool for monitoring udder health due to its relationship with the parameters of subclinical mastitis. Furthermore, cows calving in winter had higher GSH-Px activity than those calving in summer, especially during the first few months of lactation. These findings indicate that milk GSH-Px activity in cows during lactation could be influenced by seasonal variations.en_US
dc.identifier.citationDarbaz, İsfendiyar; Salar, Seçkin; Sayıner, Serkan; Baştan, İdil; Ergene, Osman; And Baştan, Ayhan (2019) "Evaluation of milk glutathione peroxidase and superoxide dismutase levels in subclinical mastitis in Damascus goats," Turkish Journal of Veterinary & Animal Sciences: Vol. 43: No. 2, Article 11.en_US
dc.identifier.doi10.24099/vet.arhiv.160728
dc.identifier.endpage570en_US
dc.identifier.issn0372-5480
dc.identifier.issn1331-8055
dc.identifier.issue5en_US
dc.identifier.scopus2-s2.0-85028970053
dc.identifier.scopusqualityQ4
dc.identifier.startpage557en_US
dc.identifier.urihttps://doi.org/10.24099/vet.arhiv.160728
dc.identifier.urihttps://hdl.handle.net/20.500.12587/7119
dc.identifier.volume87en_US
dc.identifier.wosWOS:000411813300003
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherUniv Zagreb Vet Facultyen_US
dc.relation.ispartofVeterinarski Arhiv
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectcowen_US
dc.subjectmilken_US
dc.subjectglutathione peroxidaseen_US
dc.subjectsubclinical mastitisen_US
dc.subjectseasonen_US
dc.titleEvalution of the relationship between milk glutathione peroxidase activity, milk composition and various parameters of subclinical mastitis under seasonal variationsen_US
dc.typeArticle

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