Mannitol Salt Agar (MSA) Bacterial Growth Medium: Microbiology Lab Tutorial

Microbiology lab tutorial on Mannitol Salt Agar (MSA) specialized bacterial growth medium. Examples of sterile MSA as well as plates with growth of halophilic mannitol fermenting bacteria (pathogen Staphylococcus aureus) and halophilic non-mannitol fermenting bacteria (normal flora S. epidermidis).
Video by Tami (Guy) Port, Chief Executive Nerd at ScienceProfOnline.com. For the lab materials that go with this movie, see the Virtual Microbiology Classroom Bacterial Growth Media and Culture Laboratory Main Page (www.scienceprof...) at ScienceProfOnline.com.
** OOPS! This is the re-release of the MSA video, previous version contained a typo - "descendants" was spelled incorrectly. **

[@ThePunkadagirl]

very good explanation!

[@pejmanmomen]

thank you,
for all your help

[@linkzelda14]

how do you know what the medium is?