1Section for Veterinary Reproduction and Obstetrics, Department of Veterinary Clinical Sciences, University of Copenhagen, Højbakkegaard Allé 5A, DK-2630, Taastrup, Denmark. jager@sund.ku.dk.
2Section for Veterinary Reproduction and Obstetrics, Department of Veterinary Clinical Sciences, University of Copenhagen, Højbakkegaard Allé 5A, DK-2630, Taastrup, Denmark.
3Department of Veterinary and Animal Sciences, University of Copenhagen, Grønnegårdsvej 15, DK-1870, Frederiksberg C, Denmark.
0Section for Veterinary Reproduction and Obstetrics, Department of Veterinary Clinical Sciences, University of Copenhagen, Højbakkegaard Allé 5A, DK-2630, Taastrup, Denmark. jager@sund.ku.dk.
