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The Effect of Niacin Application on the Development of Inflammation and Cholesterol Metabolism in Cows in Early Lactation

dc.creatorPetrović, Kosta
dc.creatorStojanović, Dragica
dc.creatorHristovska, Talija
dc.creatorŠtrbac, Filip
dc.date.accessioned2023-04-23T13:56:47Z
dc.date.available2023-04-23T13:56:47Z
dc.date.issued2020
dc.identifier.isbn978-86-7520-490-9
dc.identifier.urihttp://rimsi.imsi.bg.ac.rs/handle/123456789/1904
dc.description.abstractCilj ovog rada je da se utvrdi uticaj niacina na metabolizam holesterola i ispita kako se istraživani uticaj odražava na zapaljenske procese i funkcionlani status jetre kod krava u ranoj laktaciji. Ogled je izvršen na 30 krava Holštajn-frizijske rase: 15 koje su primale niacin i 15 krava u negativnoj kontroli. Niacin je aplikovan u periodu dve nedelje pre i dve nedelje posle teljenja. Krv je uzimana venepunkcijom v.coccigea kod krava u periodu pre jutarnjeg hranjenja, u momentu teljenja, potom jednu i dve nedelje nakon teljenja. Aplikacija niacina dovodi do smanjenja koncentracije tumor necrosis factor alpha (TNF-α), haptoglobina i nonesterified fatty acid (NEFA), dok na vrednosti fibrinogena nije pokazao značajan efekat. Aplikacija niacina povećava vrednost holesterola, albumina i smanjuje vrednost bilirubina, što je znak boljeg funkcionalnog stanja hepatocita. Niacin pored antilipolitičkog efekta, pokazuje i antiinflamatorni efekat koji može biti značaj mehanizam u zaštiti hepatocita u ranoj laktaciji kod mlečnih krava. Od velikog značaja se pokazao uticaj niacina na TNF-α, jer ovaj citokin kontroliše korelaciju između lipolize i metabolizma holesterola sa inflamatornim odgovorom, posmatrano kroz indeks funkcionalnog statusa jetre.sr
dc.description.abstractThe aim of this study is to determine the effect of niacin on cholesterol metabolism and functional liver status in cows in early lactation. The experiment was performed on 30 Holstein-Friesian cows: 15 receiving niacin and 15 cows in negative control. Niacin was administered for two weeks before and two weeks after calving. Blood was taken by venipuncture of v.coccigea in cows before feeding in the morning, at the time of calving, and then one and two weeks after calving. Niacin administration reduced the concentration of tumor necrosis factor alpha (TNF-α), haptoglobin and nonesterified fatty acid (NEFA), while it showed no significant effect on fibrinogen values. Niacin administration increases cholesterol, albumin, and bilirubin levels, which is a sign of a better functional state of hepatocytes. Niacin, in addition to its antilipolitic effect, also exhibits an anti-inflammatory effect, which may be a significant mechanism in the protection of hepatocytes in early lactation in dairy cows. The influence of niacin on TNF-α has been shown to be of great importance, as this cytokine controls the correlation between lipolysis and cholesterol metabolism with an inflammatory response, viewed through an index of liver functional status.sr
dc.language.isosrsr
dc.publisherPoljoprivredni fakultet, Univerzitet u Novom Sadu; Udruženje veterinara praktičara Srbije (UVPS)sr
dc.rightsopenAccesssr
dc.sourceZbornik radova Zdravstvena zaštita i reprodukcija životinjasr
dc.subjectkravesr
dc.subjectholesterolsr
dc.subjectjetrasr
dc.subjectniacinsr
dc.subjecttumor necrosis factor alphasr
dc.subjectcowssr
dc.subjectcholesterolsr
dc.subjectliversr
dc.subjectniacinsr
dc.subjecttumor necrosis factor alphasr
dc.titleUticaj aplikacije niacina na razvoj inflamacije i metabolizam holesterola kod krava u ranoj laktacijisr
dc.titleThe Effect of Niacin Application on the Development of Inflammation and Cholesterol Metabolism in Cows in Early Lactationsr
dc.typeconferenceObjectsr
dc.rights.licenseARRsr
dc.citation.epage110
dc.citation.spage105
dc.identifier.fulltexthttp://rimsi.imsi.bg.ac.rs/bitstream/id/4945/bitstream_4945.pdf
dc.identifier.rcubhttps://hdl.handle.net/21.15107/rcub_rimsi_1904
dc.type.versionpublishedVersionsr


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