Sample collection: From February 2011 to October Smear revealed Gram positive, spherical cells arranged 2011, a total of 160 milk and milk product samples in irregular clusters resembling to bunch of grapes. which includes raw milk (100 samples), curd (30 samples) and pedha (30 samples) were collected from Biochemical examination: Biochemical tests were
different places in and around Anand city such as milk performed to confirm S. aureus using Catalase test, collection centres of Co-operative milk dairies, cattle Coagulase test, DNase test, Acetoin production, farms, individual household, milk vendors and sweet Oxidase test and D-mannitol fermentation. shops