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Haemoplasmosis
/content/chapter/10.22233/9781905319732.chap7
Haemoplasmosis
- Author: Séverine Tasker
- From: BSAVA Manual of Canine and Feline Haematology and Transfusion Medicine
- Item: Chapter 7, pp 67 - 73
- DOI: 10.22233/9781905319732.7
- Copyright: © 2012 British Small Animal Veterinary Association
- Publication Date: January 2012
Abstract
Feline and canine haemoplasmas are small bacteria that live on the surface of red blood cells. Infection can result in a haemolytic anaemia. The chapter looks at Feline haemoplasma species and geographical distribution; transmission of feline haemoplasmas; pathogenesis of feline haemoplasma infection; clinical signs of feline haemoplasmosis; diagnosis of feline haemoplasmosis; treatment and prognosis of feline haemoplasmosis; canine haemoplasma species.
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Figures
/content/figure/10.22233/9781905319732.chap7.ch07fig1
7.1
Scanning electron micrograph of a feline erythrocyte infected with Mycoplasma haemofelis. Two M. haemofelis organisms attached to the surface of the erythrocyte are highlighted by arrows. (Reproduced with permission from
Tasker S (2010)
) © 2012 British Small Animal Veterinary Association
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7.1
Scanning electron micrograph of a feline erythrocyte infected with Mycoplasma haemofelis. Two M. haemofelis organisms attached to the surface of the erythrocyte are highlighted by arrows. (Reproduced with permission from
Tasker S (2010)
)
/content/figure/10.22233/9781905319732.chap7.ch07fig3
7.3
Representative mean haemoglobin (Hb) values for three groups of cats infected with either M. haemofelis, ‘Candidatus M. haemominutum’ or ‘Candidatus M. turicensis’. The reference range for Hb is represented by the grey shaded area (8–15 g/dl). Only the cats infected with M. haemofelis became anaemic, with the lowest Hb values recorded 2–3 weeks following infection. Cats infected with ‘Candidatus M. haemominutum’ and ‘Candidatus M. turicensis’ did not become anaemic, although a slight fall in Hb was apparent during the first 2–3 weeks of infection. (Reproduced with permission from
Tasker S (2010)
) © 2012 British Small Animal Veterinary Association
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7.3
Representative mean haemoglobin (Hb) values for three groups of cats infected with either M. haemofelis, ‘Candidatus M. haemominutum’ or ‘Candidatus M. turicensis’. The reference range for Hb is represented by the grey shaded area (8–15 g/dl). Only the cats infected with M. haemofelis became anaemic, with the lowest Hb values recorded 2–3 weeks following infection. Cats infected with ‘Candidatus M. haemominutum’ and ‘Candidatus M. turicensis’ did not become anaemic, although a slight fall in Hb was apparent during the first 2–3 weeks of infection. (Reproduced with permission from
Tasker S (2010)
)
/content/figure/10.22233/9781905319732.chap7.ch07fig6
7.6
Blood smear (Wright’s stain) from a cat with asymptomatic infection with ‘Candidatus M. haemominutum’. Arrows indicate individual organisms. © 2012 British Small Animal Veterinary Association
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7.6
Blood smear (Wright’s stain) from a cat with asymptomatic infection with ‘Candidatus M. haemominutum’. Arrows indicate individual organisms.
/content/figure/10.22233/9781905319732.chap7.ch07fig7
7.7
Blood smear (May–Grünwald’s Giemsa stain) from a splenectomized dog with haemolytic anaemia associated with M. haemocanis infection. Bar = 10 μm. Dashed arrows indicate individual M. haemocanis organisms. Solid arrows indicate chains of M. haemocanis organisms on the surface of the red blood cells. (With kind permission of Lisa Hulme-Moir) © 2012 British Small Animal Veterinary Association
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7.7
Blood smear (May–Grünwald’s Giemsa stain) from a splenectomized dog with haemolytic anaemia associated with M. haemocanis infection. Bar = 10 μm. Dashed arrows indicate individual M. haemocanis organisms. Solid arrows indicate chains of M. haemocanis organisms on the surface of the red blood cells. (With kind permission of Lisa Hulme-Moir)