Articles citing this paper

^A Agricultural Research Council, Germplasm Conservation & Reproductive Biotechnologies, Animal Production Institute, Irene, South Africa;

^B School of Agriculture, Biotechnology Laboratory, Centre of Excellence for Animal Assisted Reproduction, University of Venda, Thohoyandou, South Africa;

^C Department of Animal Sciences, Tshwane University of Technology, Pretoria, South Africa;

^D Department of Animal, Wildlife and Grassland Sciences, University of the Free State, Bloemfontein, South Africa