There are no notable zones around the colonies. Staphylococcus epidermidisis gamma-hemolytic. Often when inoculating a BAP to observe hemoloysis patterns, investigators will also stab several times ...

The MSA will select for organisms such as Staphylococcus species which can live in areas of high salt concentration (plate on the left in the picture below). This is in contrast to Streptococcus ...