Ploskirev baktoagar used to isolate pathogenic organisms, namely, Salmonella and Shigella. Medium inhibits the growth of gram-positive microorganisms, and gram-negative. The main inhibitory components brilliant green, bile and iodine. Differentiation occurs due to fermentation of lactose in the presence of neutral red. Ectoparasiticide bacteria reduce the pH and acquire a red color, while the bacteria that does not ferment lactose remain colorless.

Cultured samples 37 ° C for 24 hours.