Cystine lactose enzyme deficient medium CLED is preferred over McConkey agar in UTI because:
Cystine lactose enzyme deficient medium CLED is preferred over McConkey agar because of prevention growth of pseudomonas. Ref: Bailey and Scott's Diagnostic Microbiology, 9th Edition, Page 81 ; Text Book of Microbilogy By Ananthanarayan, 5th Edition, Page 261
Former prevents swarming of proteus
Is a selective medium
Prevents growth of pseudomonas
Promotes growth of Candida and staphylococcus