In a patient with UTI, LED (Cystine, Lactose Electrolyte Deficiency) Media is preferred over MacConkeys media because -
MacConkey agar: is mainly used to differentiate between various gram-negative rod-shaped organism. It also inhibits the growth of Gram-positive organism. Thus it is both differential and selective REF:Textbook of microbiology Ananthanarayan page no. 42
It is differential medium
In inhibits swarming of proteus
Promotes growth of Pseudomonas
Promotes growth of staph aureus and Candida
general microbiology