Polymyxin Ceftazidime Selective Supplement

This pack contains 10 single use vials containing sufficient supplement to give the correct working concentration when added to 500 mL of Listeria monocytogenes Blood Agar (LAB172) containing citrated sheep blood or 500 mL Listeria Chromogenic Agar (HAL010) supplemented with 20 mL of Listeria Supplement with Cycloheximide (X010).


Formula (per vial)  
Polymyxin 5 mg
Ceftazidime 10 mg


  1. Aseptically add the supplement to the media cooled to 48-50°C and immediately mix gently to evenly distribute