1. Laboratory of Animal Reproduction , Department of Biological Sciences, School of Natural Sciences, Biomaterials Research Cluster, Bernal Institute, Faculty of Science and Engineering, University of Limerick, Limerick, Ireland
2. Department of Production Animal Clinical Sciences , Faculty of Veterinary Medicine, Norwegian University of Life Sciences, Ås, Norway
3. UMR-PRC , INRA-85, Université de Tours, IFCE, Physiologie de la Reproduction et des Comportements, Institut National de la Recherche Agronomique, Nouzilly, France
4. Animal and Bioscience Research Department , Animal and Grassland Research and Innovation Centre, Grange, Ireland
5. School of Agriculture and Food Science , University College Dublin, Dublin 4, Ireland