6Herr C M and Reed K C.Micromanipulation of bovine embroys for sex determination(J).Theriogenology,1991,35(1):45-54.
7Park J H, Lee J H and Choi K M. Rapid sexing of preimplantation bovine embryo using consecutive and multiplex polymerase chain reaction (PCR) with biopsied single blastomere (J). Theriogenology, 2001,51:1843-1853
8Peu R A T. Identify the sex of bovine embryos before transfer by PCR, Foreign animal husbandry-herbivorous livestock fascicle(J). Thriogeology, 1991,35(3): 547-555
9Sambrook J, Fristsch E F and Maniatis T. Molecular Cloning (M).Third edition. New York: Cold Spring Harbor Laboratory,2002.
10Sinclair A H, Berta P and Hawians J R .A gene from the human sex-deter mining region encodes a protein with homology to a conserved DNA-binding motif (J) .Nature ,1990,346 : 240-244