1. Division of Animal Sciences; University of Missouri, Columbia; Missouri
2. School of BioSciences, University of Melbourne, Parkville; Melbourne Australia
3. Reproductive Physiology Laboratory, National Institute of Livestock and Grassland Science; 768 Senbonmatsu Nishinasuno Tochigi Japan
4. Robinson Research Institute, University of Adelaide and ARC Centre of Excellence for Nanoscale BioPhotonics; Adelaide Australia
5. 240b Christopher S. Bond Life Sciences Center, Columbia; Missouri