Anaerobic Colistin Nalidixic Acid Laked Blood (CNA) Agar

Anaerobic Colistin Nalidixic Acid Laked Blood (CNA) Agar is a nutritious medium containing peptone, hemin, vitamin K and sheep blood, which supply anaerobic organisms with required growth factors. Colistin and nalidixic inhibit the growth of most gram-negative bacilli.