An official journal of the Society for Biology of Reproduction and the Institute of Animal Reproduction and Food Research of Polish Academy of Sciences in Olsztyn

September 2014 (No. 3)

Relationship between electrical resistance of cervical mucus and ovarian steroid concentration at the time of artificial insemination in ewes

Ekaterini Theodosiadou a, Georgios S. Amiridis a, Theodora Tsiligianni b,*

a Faculty of Veterinary Medicine, University of Thessaly, 43100 Karditsa, Greece

b Veterinary Research Institute, 57001 Thermi, Thessaloniki, Greece

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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.

Reproductive Biology 2014 14  3: 234-237.

* Corresponding author at: HAO – „DEMETER” (former NAGREF), Veterinary Research Institute of Thessaloniki, 57001 Thermi, Thessaloniki, Greece. E-mail addresses:, (T. Tsiligianni)