<Li> Bile esculin agar is used for the isolation of Enterococcus and group D Streptococcus species </Li> <Li> CLED agar--cysteine, lactose, electrolyte - deficient agar agar is used to isolate and differentiate urinary tract bacteria, since it inhibits Proteus species swarming and can differentiate between lactose fermenters and nonfermenters . </Li> <Li> Granada medium is used to isolate and differentiate group B Streptococcus, Streptococcus agalactiae from clinical samples . It grows in Granada medium as red colonies and most of accompanying bacteria are inhibited . </Li> <Li> Hektoen enteric agar is designed to isolate and recover fecal bacteria belonging to the Enterobacteriaceae family . It is particularly useful in isolating Salmonella and Shigella . </Li>

When would nutrient agar be used and why