224
McCarthy and Roberts ( 1980 ) and an excellent textbook (Bernoth et al. 1997 ) have
adequately summarised the available knowledge on the pathogen in its context as a
fi sh pathogen. The following narrative will emphasise taxonomic aspects, which
have not been considered adequately by others.
Aer. salmonicida is one of the oldest described fi sh pathogens. It is generally
accepted that the fi rst authentic report of the organism was by Emmerich and Weibel
Fig. 5.9 An intensively
brown pigmented L-form
colony (~0.5 mm in
diameter) of Aer.
salmonicida subsp.
salmonicida growing
within L-F agar
Fig. 5.10 An L-form
colony (~0.5 mm in
diameter) of Aer.
salmonicida subsp.
salmonicida growing
within L-F agar and
stained by Dienes method
5 Aeromonadaceae Representative (Aeromonas salmonicida)
McCarthy and Roberts ( 1980 ) and an excellent textbook (Bernoth et al. 1997 ) have
adequately summarised the available knowledge on the pathogen in its context as a
fi sh pathogen. The following narrative will emphasise taxonomic aspects, which
have not been considered adequately by others.
Aer. salmonicida is one of the oldest described fi sh pathogens. It is generally
accepted that the fi rst authentic report of the organism was by Emmerich and Weibel
Fig. 5.9 An intensively
brown pigmented L-form
colony (~0.5 mm in
diameter) of Aer.
salmonicida subsp.
salmonicida growing
within L-F agar
Fig. 5.10 An L-form
colony (~0.5 mm in
diameter) of Aer.
salmonicida subsp.
salmonicida growing
within L-F agar and
stained by Dienes method
5 Aeromonadaceae Representative (Aeromonas salmonicida)