The genetic variation (polymorphic information content (PIC), heterozygosity, effectivenumber of alleles and gene frequency) of 6 microsatellite loci (BM4505, BM1905, BM1443, BM415, BM143 and BM711) was analyzed in 200 Beijing Holsteins cow populations.

• 本研究分析了6个微卫星座位BM4505、BM1905、BM1443、BM415、BM143和BM711在200头北京荷斯坦奶牛群体中的遗传变异(PIC、遗传杂合度、有效等位基因数和基因频率)。