1. Department of Animal Anatomy and Physiology, Faculty of Biology and BiotechnologyUniversity of Warmia and Mazury in Olsztyn Olsztyn Poland
2. Department of Physiology and Toxicology of Reproduction, Institute of Zoology and Biomedical ResearchJagiellonian University Krakow Poland
3. INRA, UMR85, Unité Physiologie de la Reproduction et des Comportements Nouzilly France