Genetic diversity of Streptococcus agalactiae from dairy cattle with mastitis in Argentina

BMC Veterinary Research

Table 2 VNTR loci characterization

VNTR loci	Repeat Unit (RU) size (bp)	Number of observed alleles^a	D_N^b
SAG2	32	3	0.29
SAG3	24	3	0.53
SAG4	60	5	0.74
SAG7	18	3	0.49
SAG21	48	2	0.46
SAG22	159	5	0.73

^anull alleles were taken into account
^bNei´s diversity index, calculated by D_N = 1-Σ(fra)², where fra is the allelic frequency)

ISSN: 1746-6148