1. Department of Theriogenology, Faculty of Veterinary Medicine, Cairo University, PO BOX 12211, Giza, Egypt
2. Animal Development and Biotechnology Group, School of Biosciences, The University of Nottingham, Sutton Bonington Campus, Loughborough, Leicestershire, LE12 5RD, UK
3. Department of Animal Biosystem Sciences, College of Agriculture and Life Sciences Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon, 305-764, Republic of Korea
4. College of Life Sciences, The University of Inner Mongolia, 1010070, People’s Republic of China
5. Taconic Farms Inc., Five University Place Rensselaer, NY, 12144-3439, USA