Investigation by using Sambiloto etract as antibacterial agent of Staphylosccocus aureus and Coagulase Negative Staphylococci should be done to solve mastitis problems. The eperiment was used 70 milk samples that collected from Nongkojajar and Batu Dairy Herda for indentification and isolation of Staphylococccus aureus and Coagulase Negative Staphylococci. From mastitic milk sanples were identi…