Rates of cleavage rate (Day 3) and blastocyst development (Days 6 and 7) after in vitro fertilization and culture of mature bovine oocytes with nonsorted, frozen-thawed (control), sex-sorted frozen-thawed (SF), frozen-thawed, sex-sorted, refrozen-thawed (FSF), and frozen-thawed, sex-sorted (FS) bull sperm. Values are percentages of total or cleaved oocytesSEM.