Blood agar is a type of bacterial growth medium. It is mainly used to grow fastidious microorganisms such as streptococci. Such organisms do not grow well using an ordinary growth medium. They only grow in blood agar because this medium has inhibitors for some family of bacteria. The medium needs to be heated to inactivate the inhibitor and release a specific growth factor. Once the blood agar is heated, it will become chocolate agar. Examples […]
