Staphylococcus aureus

Blood agar: large colonies (cream-tan color), Gram-positive cocci, catalase positive (H2O2), beta hemolysis (double zone), coagulase positive

Major Mastitis Pathogens Isolation

Selective Media - Triplate (blood agar/TKT agar/MacConkey agar)

Staphylococcus species

Blood agar:large colonies (white to yellow), Gram-positive cocci, catalase positive (H2O2), non-hemolysis to complete hemolysis, coagulase negative