Effects of lactation month and season on test-day milk yield and milk components in Holstein cows

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dc.authorid0000-0001-9633-634X
dc.authorscopusid9234694200
dc.authorscopusid36106722600
dc.authorscopusid23988464900
dc.authorscopusid24385279900
dc.authorscopusid48860950100
dc.authorscopusid57198208703
dc.authorwosidGURCAN, ESER KEMAL/ABA-4511-2020
dc.authorwosidCOBANOGLU, Ozden/AAM-4544-2020
dc.contributor.authorÇobanoglu, Özden
dc.contributor.authorGürcan, Eser Kemal
dc.contributor.authorÇankaya, Soner
dc.contributor.authorKul, Ertuğrul
dc.contributor.authorAbaci, Samet Hasan
dc.contributor.authorÜlker, Mehmet
dc.date.accessioned2022-05-11T14:46:35Z
dc.date.available2022-05-11T14:46:35Z
dc.date.issued2017
dc.departmentFakülteler, Ziraat Fakültesi, Zootekni Bölümü
dc.description.abstractThis study aims to determine the correlations between the test-day milk yield (TDMY) and the fat and protein content as well as the fat and protein yields in Holstein dairy cows and to investigate the effects of lactation period and sampling season on these parameters. The study material consists of 1.380 records of a total of 151 head of Holstein dairy cows raised on a private farm in Samsun province. In the study, the mean TDMY, fat content, protein content, fat yield and protein yield were recorded as 20.6 +/- 5.10 kg, 3.97 +/- 0.734%, 3.23 +/- 0.276%, 0.81 +/- 0.210 kg and 0.66 +/- 0.160 kg, respectively. The effects of lactation period and sampling season on the TDMY, fat content, protein content, fat yield and protein yield were found statistically significant (P<0.01). Statistically significant negative correlations were determined between the TDMY and the fat and protein content, but positive and statistically significant (P<0.01) correlations between the TDMY and the fat and protein yields. In conclusion, it might be stated that the effects of lactation period and sampling season should also be taken into account to improve milk yield and milk components.
dc.description.sponsorshipTUBITAKTurkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [110 O 821]
dc.description.sponsorshipThis study was supported by TUBITAK (Project no: 110 O 821)
dc.identifier.doi10.18805/ijar.11464
dc.identifier.endpage955
dc.identifier.issn0367-6722
dc.identifier.issue5en_US
dc.identifier.scopus2-s2.0-85033381658
dc.identifier.scopusqualityQ2
dc.identifier.startpage952
dc.identifier.urihttps://doi.org/10.18805/ijar.11464
dc.identifier.urihttps://hdl.handle.net/20.500.11776/10328
dc.identifier.volume51
dc.identifier.wosWOS:000422710100029
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorGürcan, Eser Kemal
dc.language.isoen
dc.publisherAgricultural Research Communication Centre
dc.relation.ispartofIndian Journal of Animal Research
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectFat content
dc.subjectHolstein
dc.subjectLactation period
dc.subjectProtein content
dc.subjectTest-day milk yield
dc.subjectBody Condition Scores
dc.subjectDairy-Cows
dc.subjectProtein
dc.subjectFat
dc.subjectCurves
dc.titleEffects of lactation month and season on test-day milk yield and milk components in Holstein cows
dc.typeArticle

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