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-)?
Lawsonia intracellularis:
Salmonella enterica:
Bordetella pertussis:
Mycobacterium bovis:
Bordetella bronchiseptica:
List correct answers