I need to revive my Propionibacterium acnes (ATCC® 6919™) the recommend to used Tryptic Soy Broth with 5% Sheep Blood (defibrinated)
I have the stock of prepared Tryptic Soy Broth media. Is it possible I just add to it 5% sheep blood.
Or I need to prepare fresh Tryptic Soy Broth media and add sheep blood ز