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Prevalence of selected infectious disease agents in cats from Arizona

Jason M Eberhardt1, Karter Neal, Tom Shackelford

  • 1Department of Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, 300 West Drake Road, Fort Collins, CO 80523, USA. Jason.Eberhardt@colostate.edu

Journal of Feline Medicine and Surgery
|January 31, 2006
PubMed

Insights

Prevalence of Bartonella species and hemoplasma in Arizona cats was investigated using PCR assays. Results indicate a need for ongoing flea control in feline populations to manage these common infections.

Area of Science:

  • Veterinary Microbiology
  • Infectious Diseases
  • Feline Health

Background:

  • Feral and relinquished cats can harbor various tick- and flea-borne pathogens.
  • Understanding the prevalence of these agents is crucial for public health and animal welfare.

Purpose of the Study:

  • To determine the prevalence of Ehrlichia species, Anaplasma phagocytophilum, hemotropic Mycoplasma, and Bartonella species in cats from Arizona.
  • To assess the utility of PCR assays for detecting these pathogens in feline blood samples.

Main Methods:

  • Polymerase chain reaction (PCR) assays were employed to detect DNA of target pathogens.
  • Blood samples were collected from feral and relinquished cats in Phoenix and Nogales, Arizona.
  • Specific primers were used to amplify DNA sequences of Ehrlichia, Anaplasma, Mycoplasma, and Bartonella species.

Main Results:

  • DNA from one or more target organisms was detected in 27.7% of the 112 analyzed blood samples.
  • Bartonella clarridgeiae (13.4%) and Bartonella henselae (12.5%) were the most frequently detected Bartonella species.
  • 'Candidatus Mycoplasma haemominutum' (8.0%) and Mycoplasma haemofelis (4.5%) were also detected.
  • DNA of Ehrlichia species, Neorickettsia risticii, and Anaplasma phagocytophilum was not amplified.

Conclusions:

  • Bartonella species and hemotropic Mycoplasma are prevalent in the studied cat population in Arizona.
  • The absence of Ehrlichia and Anaplasma DNA may be due to lack of exposure, infection, or limitations of the PCR assay.
  • Findings underscore the importance of consistent flea control measures for cats to prevent transmission of Bartonella and hemoplasma.

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