Questions on the Bile Esculin Test?

Question

Some organisms are able to grow on the medium without hydrolyzing the esculin. Other organisms are able to hydrolyze esculin but darken only a portion of the medium. Are either of these types of organisms considered positive for this test? If yes, why? If no, under what circumstances could they be considered positive? Explain.

Answer 1

"growth alone on bile esculin agar does not constitute a positive test"