ISSN 2398-2942      

Francisella tularensis

icanis

Introduction

Classification

Taxonomy

  • Genus Francisella - named after Edward Francis;
  • Species tularensis - named after Tulare County where tularemia Tularemia was first recognized in ground squirrels;
  • Two main biovars - Type A and type B.

Active Forms

This article is available in full to registered subscribers

Sign up now to start a free trial to access all Vetlexicon articles, images, sounds and videos, or Login

Clinical Effects

Epidemiology

Habitat

  • Ticks can act as reservoirs of infection.
  • Rodents and lagomorphs are principal vectors.

Lifecycle

  • Natural cycle includes ticks, rodents and lagomorphs.

Transmission

  • Tick vectors (other biting insects?).
  • Cats and dogs can also be infected by ingestion of infected rodents.
  • Aerosol in laboratory.

Pathological effects

  • More severe disease seen in younger animals.
  • Dogs relatively resistant to disease.
  • Characteristic small yellow, white or gray foci of necrosis on surface of liver, spleen and lymph nodes.

Other Host Effects

  • Facultative intracellular bacterium.
  • Grows inside macrophages and hepatocytes.

Control

Control via animal

Control via chemotherapies

Control via environment

  • Restrict pets from areas with infected rodents.

Diagnosis

This article is available in full to registered subscribers

Sign up now to start a free trial to access all Vetlexicon articles, images, sounds and videos, or Login

Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • García del Blanco N, Gutiérrez C B, de la Puente V A et al (2004) Biochemical characterisation of Francisella tularensis strains isolated in Spain. Vet Rec 154 (2), 55-56 PubMed.
  • DeBey B M, Andrews G A, Chard-Bergstrom C et al (2002) Immunohistochemical demonstration of Francisella tularensis in lesions of cats with tularaemia. J Vet Diag Invest 14 (2), 162-164 PubMed.
  • Ikäheimo I, Syrjälä H, Karhukorpi J et al (2000) In vitro antibiotic susceptibility of Francisella tularensis isolated from humans and animals. J Antimicrob Chemother 46 (2), 287-290 PubMed.
  • Gustafson B W, DeBowes L J (1996) Tularaemia in a dog. J Am Anim Hosp Assoc 32 (4), 339-341 VetMedResource.
  • Baldwin C J, Panciera R J, Morton R J et al (1991) Acute tularaemia in three domestic cats. J Am Vet Med Assoc 199 (11), 1602-1605 PubMed.

Can’t find what you’re looking for?

We have an ever growing content library on Vetlexicon so if you ever find we haven't covered something that you need please fill in the form below and let us know!

 
 
 
 

To show you are not a Bot please can you enter the number showing adjacent to this field

 Security code