The relationship between milk progesterone and milk traits during estrus in dairy cows

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dc.contributor.authorGavelis, Aurimas
dc.contributor.authorŽilaitis, Vytuolis
dc.contributor.authorJuozaitienë, Vida
dc.contributor.authorUrbonavičius, G
dc.contributor.authorYılmaz, Ayhan
dc.date.accessioned2019-11-12T14:36:24Z
dc.date.available2019-11-12T14:36:24Z
dc.date.issued2018
dc.departmentBelirleneceken_US
dc.description.abstractThe aim of this study was to evaluate relationship between milk progesterone concentration (P4) and milk traits at the start of estrus time and 12h after start of the estrus in dairy cows. The 96 milk samples of 48 Lithuanian dairy cows without reproduction disorders and 90–100 days after calving were evaluated. Cows were classified into two groups based on milk yield per day: <30 kg (n=20) and ?30 kg (n=28). Data were categorized by milk fat and protein content at the start estrus and 12h after start of estrus to evaluate relationship between P4 and milk traits examined. P4 at estrus time in dairy cows was significantly positively correlated with milk yield (P<0.001), whereas it was negatively correlated with milk protein (P<0.05-P<0.01) and fat at 12h after start of estrus. Dairy cows with F/P from 1.0 to 1.5 had the lowest P4 in milk. Results of the pregnancy in dairy cows were related with lower P4 and milk yield level (P<0.001), higher milk fat (P<0.05) and milk protein content (P<0.001). These cows had 1.90 times lower prevalence of the signs of subclinical ketosis (P<0.05) at estrus time when compared with non-pregnant cows. As a result, it was clearly demonstrated that P4 in dairy cows can help to evaluate and improve the reproductive properties of cows.en_US
dc.identifier.issn0976-0555
dc.identifier.scopus2-s2.0-85096957988
dc.identifier.scopusqualityQ3
dc.identifier.urihttps://hdl.handle.net/20.500.12604/1386
dc.identifier.wosWOS:000593470400022
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoenen_US
dc.publisherIndian Journal Animal Researchen_US
dc.relation.ispartofseriesDOI: 10.18805/ijar.B-900;
dc.relation.publicationcategoryUluslararası Hakemli Dergi Makalesien_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.snmzKG_20241224
dc.subjectCows, Estrus, Milk protein, Milk SCC, Milk yield, Progesterone, Ration of milk fat.en_US
dc.titleThe relationship between milk progesterone and milk traits during estrus in dairy cowsen_US
dc.typeArticleen_US

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