Influence of Ejaculation Frequency on Sperm Characteristics, Ionic Composition and Enzymatic Activity of Seminal Plasma in Rams

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dc.contributor.authorKaya, Abdullah
dc.contributor.authorAksoy, Melih
dc.contributor.authorTekeli, Tevfik
dc.date.accessioned2020-03-26T16:39:12Z
dc.date.available2020-03-26T16:39:12Z
dc.date.issued2002
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractInfluence of frequency of ejaculation on the ionic composition and enzymatic activity of the seminal plasma and the spermatozoa parameters was evaluated. Semen was collected from 8 rams for a period of 12 days in four successive phases with a gradually increasing semen collection intensity. Each phase continued for 3 days and rams were ejaculated 1, 3, 6 and 8 times per day during phase I, II, III and IV, respectively. Semen volume, sperm concentration and progressive motility rates decreased significantly with regards to elevated semen collection frequency. Though abnormal sperm morphology increased, no specific type of sperm abnormality or localization, i.e. acrosome, head, mid-piece or tail, was noted in response to increased ejaculation frequency. Dead sperm rate fluctuated between 3.4 and 6.2% during the study. The highest daily sperm output was reached by 36 times of collection per day. However, further increase of the ejaculation frequency to 8 times or decrease to once a day reduced daily sperm output (P < 0.05). Seminal plasma sodium and potassium concentration increased significantly with regard to elevated semen collection intensity. In contrast, calcium and magnesium levels reduced markedly (P < 0.01) from phase I to IV. Although aspartate amino transferase (AAT) and glutamic-pyruvic transaminase (GPT) activity increased (P < 0.01) in the seminal plasma the lactate dehydrogenase (LDH) level dropped (P < 0.01) in the later phases of higher intensity semen collection. Semen collection frequency may influence ionic composition and enzymatic activity in the seminal plasma in addition to the spermatozoa parameters and daily sperm output in the ram. (C) 2002 Elsevier Science B.V. All rights reserved.en_US
dc.identifier.citationKaya, A., Aksoy, M., Tekeli, T., (2002). Influence of Ejaculation Frequency on Sperm Characteristics, Ionic Composition and Enzymatic Activity of Seminal Plasma in Rams. Small Ruminant Research, 44(2), 153-158. Doi: 10.1016/S0921-4488(02)00051-2
dc.identifier.doi10.1016/S0921-4488(02)00051-2en_US
dc.identifier.endpage158en_US
dc.identifier.issn0921-4488en_US
dc.identifier.issue2en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage153en_US
dc.identifier.urihttps://dx.doi.org/10.1016/S0921-4488(02)00051-2
dc.identifier.urihttps://hdl.handle.net/20.500.12395/17976
dc.identifier.volume44en_US
dc.identifier.wosWOS:000176090500009en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorKaya, A.
dc.institutionauthorAksoy, M.
dc.institutionauthorTekeli, T.
dc.language.isoenen_US
dc.publisherElsevier Science Bven_US
dc.relation.ispartofSmall Ruminant Researchen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectejaculation frequencyen_US
dc.subjectseminal plasmaen_US
dc.subjectionic compositionen_US
dc.subjectenzyme activityen_US
dc.subjectramen_US
dc.titleInfluence of Ejaculation Frequency on Sperm Characteristics, Ionic Composition and Enzymatic Activity of Seminal Plasma in Ramsen_US
dc.typeArticleen_US

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