Research Article

Investigation of Biofilm Forming Ability in Staphylococci Causing Bovine Mastitis Using Phenotypic and Genotypic Assays

Table 2

Biofilm formation in S. aureus and CNS isolates according to CRA method.

Species (no.)No. (%) of isolates
Positive resultIntermediate resultNegative resultTotal positive
Dry blackSmooth blackDry redSmooth red

S. aureus (40)13 (32.5)8 (20)6 (15)13 (32.5)27 (67.5)
CNS (68)20 (29.5)19 (27.9)10 (14.7)19 (27.9)49 (72.1)

Total (108)33 (30.6)27 (25)16 (14.8)32 (29.6)76 (70.4)