Herd
  A B C D
No. of cows 37 26 40 32
No. of infected cows 25 16 29 2
67.5% 61.5% 72.5% 6.3%
No. of cows according to the No. of infected quarters
1 quarter 8 4 10 2
2 quarters 6 6 7 0
3 quarters 8 5 9 0
4 quarters 3 1 3 0
Table 4: MLVA types of S. aureus identified by electrophoretic profiles and number of isolates per genotype.