Endocrine and Metabolic Status of Dairy Cows during Transition Period

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dc.citation.epage66
dc.citation.spage59
dc.citation.volume44
dc.contributor.authorDjoković, Radojica
dc.contributor.authorCincović, Marko
dc.contributor.authorKurćubić, Vladimir
dc.contributor.authorPetrović, Milun
dc.contributor.authorLalović, Miroslav
dc.contributor.authorJašović, Boban
dc.contributor.authorStanimirovic, Zoran
dc.date.accessioned2023-09-06T10:46:13Z
dc.date.available2023-09-06T10:46:13Z
dc.date.issued2014
dc.description.abstractThe objective of this study was to determine blood levels of cortisol, insulin, triiodothyronine (T3), thyroxine (T4), glucose, non-esterified fatty acids (NEFA), β-hydroxybutyrate (BHB), triglycerides (TG) and total cholesterol in dairy Holstein cows (n = 40) during the transition period. The test cows were classified into four groups: Group A (n = 10), clinically healthy late-pregnant cows from day 20 to day 10 before calving. Group B (n = 10), clinically healthy late-pregnant cows from day 10 to day 1 before calving. Group C (n = 10), clinically healthy puerperal cows. Group D (n = 10), puerperal ketotic cows. The blood serum of ketotic cows was found to have lower levels of T3 (p < 0.01), T4 (p < 0.05), insulin (p > 0.05), cortisol (p > 0.05), glucose (p < 0.01), TG (p <0.01) and total cholesterol (p < 0.05), and higher (p < 0.01) levels of NEFA and BHB, as compared to the blood levels in healthy pregnant and healthy puerperal cows. Results suggest that ketotic cows undergo homeorhetic adaptation of the regulation of organic nutrient metabolism being manifested through a decrease in the blood levels of the test hormones, resulting in increased lipomobilization, hypoglycemia, and intensive ketogenesis and lipogenesis in liver cells.
dc.identifier.doi10.56808/2985-1130.2552
dc.identifier.urihttps://vaseljena.ues.rs.ba/handle/123456789/691
dc.language.isoen
dc.publisherChulalongkorn University, Thailand
dc.sourceThai Journal of Veterinary Medicine
dc.subjectdairy cows, hormones, ketosis, lipids, transition period
dc.titleEndocrine and Metabolic Status of Dairy Cows during Transition Period
dc.typeArticle
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Пољопривредни факултет [Научни радови] / Faculty of Agriculture [Scientific papers]