Taxon 21-30 remains to be updated in detail
(For references please address international peer-reviewed papers)
Taxon 21
These organisms have been isolated from rats and mice (50) and represent melibiose and raffinose positive [P.] pneumotropica type Jawets.
Taxon 22
Thes taxon is associated with rats and chickens (50).
Taxon 23 and 24
Organisms similar to Krause et al. (J. Appl. Bact. 1989, 67, 171-175) (50).
Taxon 25
Guinea pig isolates (50) representing a new taxon within Mannheimia
Taxon 26
Isolates from birds (20, 27, 50).
Taxon 27
Isolates from mice and rats (50).
Taxon 28
Originally received as atypical P. multocida and subsequently classified as O. rhinotracheale (Van Empel & Hafez, 1999) (53).
Taxon 29 and 30
Two taxa from rabbits not yet published.