Figure S1. Expression of NANOG and SOX2 in day 8 bovine embryos. Figure S2. Expression of NANOG, SOX2, GATA4, GATA6 in day 8 and 10 bovine embryos. Figure S3. Expression of NANOG (N=4), SOX2 (N=2) and SOX17 (N=2) in bovine embryos with ZP. Figure S4. A representative negative control of the immunofluorescence protocol. (DOCX 2405 kb)