For primer P4,two genotypes(FF and FG) were detected in Jining Grey goats,two genotypes(FF and GG) were detected in Liaoning Cashmere goats,only genotype FF was detected in Boer goats,and three genotypes(FF,FG and GG) were detected in Angora goats.

• 对于P4扩增片段,在济宁青山羊中检测到FF型和FG型,在辽宁绒山羊中检测到FF型和GG型,在波尔山羊中只检测到FF型,在安哥拉山羊中检测到FF型、FG型和GG型;