Rumination Time and Physical Activity Monitoring, Milk Yield Changes Around Estrus and First Service Pregnancy Rate in Dairy Cows Assigned to Voluntary Waiting Period

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dc.contributor.authorYazlik, M. O.
dc.contributor.authorColakoglu, H. E.
dc.contributor.authorPolat, I. M.
dc.contributor.authorAloglu, E.
dc.contributor.authorBaklaci, C.
dc.contributor.authorKaya, U.
dc.contributor.authorKuplulu, S.
dc.date.accessioned2020-06-25T18:29:28Z
dc.date.available2020-06-25T18:29:28Z
dc.date.issued2018
dc.departmentKırıkkale Üniversitesi
dc.descriptionYAZLIK, Murat Onur/0000-0002-0039-5597
dc.description.abstractIn high milk-yielding dairy cows, the energy balance challenges in early lactation and impact reproductive performance often affects estrus intensity, duration and detection. This study determined the role of a voluntary waiting period on rumination time, physical activity and milk yield changes during the peri-estrus period in the first service and further fertility in high-yielding dairy cows. To the best of our knowledge, this is the first study to demonstrate a relationship between voluntary waiting period and estrus-related parameters. This study was conducted on 145 Holstein-Friesian dairy cows aged 2 to 6 years of age. Cows were assigned a short voluntary waiting period, 45 to 70 day in milk (SVWP; n=73), and the long voluntary waiting period, 71 to 95 day in milk (LVWP; n=72). Rumination time, physical activity and milk yield changes around estrus in the first service were detected by an automated monitoring system. Artificial insemination procedures were performed between 45 to 70 days in milk for SVWP and 71 to 95 days in milk for LVWP. The barn's daily temperature and humidity index (THI) was recorded throughout the study period and was <72. Basal rumination time were significantly lower in SVWP (376.82 +/- 74.58 min/clay) than LVWP group at the day of estrus (352,07 +/- 68.90 min/day) (P<0.01). First service pregnancy rate was 23.72% and 38.46% in short and long voluntary waiting period, respectively (p<0.05). Physical activity intensity and milk yield changes were similar among groups during the peri-estrus period and on the day of estrus. The results indicated that the short voluntary waiting period was associated with the lower basal rumination time around estrus and lower first service pregnancy rate.en_US
dc.identifier.citationclosedAccessen_US
dc.identifier.endpage13en_US
dc.identifier.issn0334-9152
dc.identifier.issn2304-8859
dc.identifier.issue3en_US
dc.identifier.scopus2-s2.0-85053269147
dc.identifier.scopusqualityQ4
dc.identifier.startpage8en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12587/7328
dc.identifier.volume73en_US
dc.identifier.wosWOS:000444016700003
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherIsrael Veterinary Medical Assocen_US
dc.relation.ispartofIsrael Journal Of Veterinary Medicine
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectCattleen_US
dc.subjectEstrusen_US
dc.subjectLactationen_US
dc.subjectRuminationen_US
dc.titleRumination Time and Physical Activity Monitoring, Milk Yield Changes Around Estrus and First Service Pregnancy Rate in Dairy Cows Assigned to Voluntary Waiting Perioden_US
dc.typeArticle

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