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==Aetiology==
==Aetiology==
Mhf is one of a group of organisms known as haemotropic mycoplasmas which infect several other domestic animal species. The causative organism was previously called Haemobartonella felis and thus the disease was known as haemobartonellosis. Polymerase chain reaction (PCR) assays allowing DNA analysis resulted in the reclassification of the organism in 2001. Two other haemotropic mycoplasmas (''Candidatus M. haemominutum'' and ''Candidatus M. turicensis'') have been identified in cats but appear to be less pathogenic<sup>1</sup>.
Mhf is one of a group of organisms known as haemotropic mycoplasmas which infect several other domestic animal species. The causative organism was previously called Haemobartonella felis and thus the disease was known as haemobartonellosis. Polymerase chain reaction (PCR) assays allowing DNA analysis resulted in the reclassification of the organism in 2001<sup>1</sup>. Two other haemotropic mycoplasmas (''Candidatus M. haemominutum'' and ''Candidatus M. turicensis'') have been identified in cats but appear to be less pathogenic<sup>2</sup>.
The mode of transmission of Mhf is poorly understood.
The mode of transmission of Mhf is poorly understood.
==Signalment==
==Signalment==
The major group at risk for Mhf infection are male cats who spend time outdoors. In many areas of the world an association has been shown between Mhf and retroviral infections<sup>1</sup>.
The major group at risk for Mhf infection are male cats who spend time outdoors. In many areas of the world an association has been shown between Mhf and retroviral infections<sup>2</sup>. It has been demonstrated that cats infected with Mhf and feline leukaemia virus (FeLV) are likely to develop more severe anaemia that cats infected only with Mhf<sup>3</sup>.
==Clinical signs==
==Clinical signs==
==References==
==References==
#Niemark
#Sykes, JE (2010) Feline Hemotropic Mycoplasmas '''Vet Clinics of North America Small Animal''' pp. 1157-1170
#Hagiwara, MK (2009) Anemia in Cats: Is It Mycoplasma? '''Proceedings of the 34th World Small
Animal Veterinary Congress'''
Ettinger, S.J, Feldman, E.C. (2005) '''Textbook of Veterinary Internal Medicine''' (6th edition, volume 2)''W.B. Saunders Company''
Ettinger, S.J, Feldman, E.C. (2005) '''Textbook of Veterinary Internal Medicine''' (6th edition, volume 2)''W.B. Saunders Company''