VetBact - 'Easy' Gram Staining Quiz

Question

Species/subspecies	G+	G-
Which of the following bacteria is/are Gram positive (G+) and which ones are Gram negative (G-)?
Mycobacterium avium avium:
Mesomycoplasma hyopneumoniae:
Chlamydia psittaci:
Clostridioides difficile:
Streptococcus equi zooepidemicus:
List correct answers