If no hemolysis occurs, this is termed gamma-hemolysis. There are no notable zones around the colonies. Staphylococcus epidermidisis gamma-hemolytic. Often when inoculating a BAP to observe hemoloysis ...

Alpha hemolytic organisms (Streptococcus pneumoniae and Streptococcus mitis ... A zone of inhibition of growth around the Taxos disc indicates that the organism is susceptible/sensitive to that ...