Difference between revisions of "Feline Infectious Anaemia"

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==Desciption==
 
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An infectious disease of the cat caused by ''[[Mycoplasma haemofelis]]'' which until recently was known as ''Haemobartonella felis''.
 
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The organism is found on surface of erythrocytes and is common in roaming tom cats of 1-3 years old. It is possible to be transmitted via bite wounds or biting arthropods. Recoverd cats become carriers
Caused by ''[[Mycoplasma haemofelis]]'' (until recently, known as ''Haemobartonella felis'')
 
*Organism found on surface of erythrocytes
 
*Common in roaming tom-cats of 1-3 years old
 
*Possibly transmitted via bite wounds or arthropods
 
*Recoverd cats become carriers
 
  
 
===Clinical signs===
 
===Clinical signs===
*Peracute disease is associated with severe anaemia and immunosuppression, and can be rapidly fatal
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The peracute disease is associated with severe anaemia and immunosuppression, and can be rapidly fatalFever, anaemia, depression, weakness and jaundice occur in the acute form. In the chronic form animals present with anaemia, lethargy and weight loss.
*Fever, anaemia, depression, weakness and jaundice occur in the acute form
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Recovery can occur with a regenerative bone marrow response however severe feline infectious anaemia may occur in the presence of [[Feline Leukaemia Virus|feline leukaemia virus]]. (FeLV)
*Anaemia, lethargy and weight loss occur in the chronic form
 
*Recovery can occur with a regenerative bone marrow response
 
*Severe feline infectious anaemia may occur in the presence of feline leukaemia virus
 
  
 
===Diagnosis===
 
===Diagnosis===

Revision as of 19:36, 16 August 2010



Desciption

An infectious disease of the cat caused by Mycoplasma haemofelis which until recently was known as Haemobartonella felis. The organism is found on surface of erythrocytes and is common in roaming tom cats of 1-3 years old. It is possible to be transmitted via bite wounds or biting arthropods. Recoverd cats become carriers

Clinical signs

The peracute disease is associated with severe anaemia and immunosuppression, and can be rapidly fatal. Fever, anaemia, depression, weakness and jaundice occur in the acute form. In the chronic form animals present with anaemia, lethargy and weight loss. Recovery can occur with a regenerative bone marrow response however severe feline infectious anaemia may occur in the presence of feline leukaemia virus. (FeLV)

Diagnosis

  • Organism intermittently seen on the surface of red blood cells in Giemsa-stained blood smears
  • Immunofluorescence of blood smears
  • Reduced packed cell volume; regenerative anaemia

Treatment

  • Doxycycline for 3 weeks early in the course of the disease
  • Blood transfusion
  • Flea control