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Relationship between electrical resistance of cervical mucus and ovarian steroid concentration at the time of artificial insemination in ewes |
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| Institution: | 1. Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands;2. Amphia Hospital Breda, Breda, The Netherlands;3. Craigavon Cardiac Centre, Craigavon, United Kingdom;4. Pauls Stradins Clinical University Hospital, Riga, Latvia;5. Radboud University Medical Center, Nijmegen, The Netherlands;6. Tergooi Ziekenhuis, Blaricum, The Netherlands;7. Hospital Álvaro Cunqueiro - Complejo Hospitalario Universitario, Vigo, Spain;8. Isala Klinieken, Zwolle, The Netherlands;9. Institut National de Cardiochirurgie et de Cardiologie Interventionnelle, Luxembourg;10. Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands |
| Abstract: | The purpose of this study was to investigate whether fertile or non-fertile inseminations (AI) in synchronized ewes are correlated with the electrical resistance of cervical mucus (ERCM) and the ovarian steroid concentration. AIs were performed either at fixed-time (group A) or after estrus detection (group B). Retrospective analysis revealed that at AI, pregnant ewes had lower ERCM values and progesterone concentrations than non-pregnant ones (p < 0.05). It appears that ERCM may be used as an additional index for fertility enhancement of inseminated ewes. |
| Keywords: | Electrical resistance of cervical mucus Chios ewes Estrus synchronization Cervical artificial insemination |
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