Reproduction Characteristics in Brown Swiss Cows Reared Under Steppe Climate Conditions in Turkey

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dc.contributor.authorCilek, Sueleyman
dc.contributor.authorGotoh, Takafumi
dc.date.accessioned2020-06-25T17:51:40Z
dc.date.available2020-06-25T17:51:40Z
dc.date.issued2011
dc.departmentKırıkkale Üniversitesi
dc.descriptioncilek, suleyman/0000-0002-2352-649X
dc.description.abstractThe objective of this study was to investigate the effects of environmental factors on reproductive traits of pure Brown Swiss cows reared under steppe climate conditions in the central Anatolia region of Turkey. In this study, 1502 reproductive records of Brown Swiss cows, which were reared in Ulas State Farm, were analyzed. The least squares means for gestation period, calving interval, non-pregnant period, insemination number for cows, insemination number per conception for heifers at first insemination, first insemination age, and age at first calving were 287 clays, 416 days, 128 days, 1.8 times, 1.6 times, 608 days, and 928 days, respectively. Calving times significantly affected the non-pregnant period, calving interval and gestation period (P<0.05). The calving intervals were significantly the longest in the 2(nd) calving time and the shortest in the 8(th) and 9(th) calving times (P<0.01). The birth season of heifers significantly affected first insemination age and age at first calving (P<0.01, P<0.001, respectively). For the calving season analysis, gestation period was the longest in autumn (P<0.01). The number of inseminations per conception for cows was significantly larger in spring and autumn than that in summer (P<0.01). The first calving ages were significantly earlier in autumn than in the other seasons (P<0.01). For analysis of insemination season, regarding insemination number per conception, first insemination age and first calving age, heifers in spring and summer were significantly larger than those in winter and autumn (P<0.01). These results suggested that 1) birth and insemination season affected first insemination age and first calving age, 2) Cows born in autumn and winter showed an earlier first insemination and first calving age than in spring and summer, and 3) the same trend would be observed for insemination season.en_US
dc.description.sponsorshipUlas State Farmen_US
dc.description.sponsorshipThe authors would like to thank the Ulas State Farm for support for this research.en_US
dc.identifier.citationclosedAccessen_US
dc.identifier.endpage292en_US
dc.identifier.issn0023-6152
dc.identifier.issue2en_US
dc.identifier.scopus2-s2.0-80054761359
dc.identifier.scopusqualityN/A
dc.identifier.startpage287en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12587/4949
dc.identifier.volume56en_US
dc.identifier.wosWOS:000295762200016
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherKyushu Univ, Faculty Agricultural Publicationsen_US
dc.relation.ispartofJournal Of The Faculty Of Agriculture Kyushu University
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.titleReproduction Characteristics in Brown Swiss Cows Reared Under Steppe Climate Conditions in Turkeyen_US
dc.typeArticle

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