1. 1 Department of Animal Reproduction , Anatomy and Genomics, University of Agriculture , Mickiewicza 24/28, 30-059 , Krakow , Poland
2. 2 Centre of Experimental and Innovative Medicine , University of Agriculture in Kraków , Al. Mickiewicza 24/28, 30-059 , Kraków , Poland
3. 3 Department of Reproduction and Clinic of Farm Animals , University of Environmental Science , Grunwaldzki square 49, 50-357 , Wroclaw , Poland