Canine Vector-Borne Diseases (CVBDs) in Liguria, North-West Italy: A Retrospective Study over an 11-Year Period (2013–2023)

Canine Vector-Borne Diseases (CVBDs) in Liguria, North-West Italy: A Retrospective Study over an 11-Year Period (2013–2023)

Canine vector-borne diseases (CVBDs) pose a global threat to both canine and public health. This study evaluates the prevalence of <i>Anaplasma</i> spp., <i>Ehrlichia</i> spp., <i>Borrelia burgdorferi</i> sensu lato (s.l.), <i>Rickettsia conorii</i>, a...

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Bibliographic Details
Main Authors:	Sara A. Chiarlone, Aitor Garcia-Vozmediano, Valentina Virginia Ebani, Nicola Pussini, Monica Dellepiane, Lisa Guardone, Elisabetta Razzuoli
Format:	Article
Language:	English
Published:	MDPI AG 2024-12-01
Series:	Animals
Subjects:	<i>Anaplasma</i> spp. <i>Borrelia burgdorferi</i> sensu lato <i>Dirofilaria immitis</i> dogs <i>Ehrlichia</i> spp. <i>Rickettsia</i> spp.
Online Access:	https://www.mdpi.com/2076-2615/14/23/3539
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Summary:	Canine vector-borne diseases (CVBDs) pose a global threat to both canine and public health. This study evaluates the prevalence of <i>Anaplasma</i> spp., <i>Ehrlichia</i> spp., <i>Borrelia burgdorferi</i> sensu lato (s.l.), <i>Rickettsia conorii</i>, and <i>Dirofilaria immitis</i> in domestic dogs in Liguria, north-west Italy, a region where data were lacking. From 2013 to 2023, 8584 blood samples from shelter (74%) and owned dogs (26%) were submitted to the <i>Istituto Zooprofilattico Sperimentale of Piemonte, Liguria and Valle d’Aosta</i> (IZSPLV) for serological testing (indirect immunofluorescence and/or rapid immunochromatographic tests). Overall, 18.8% (95% CI: 18.0–19.7) of the dogs tested positive for at least one pathogen, with positivity against <i>R. conorii</i> antigen being the most frequently recorded (24.4%, 95% CI: 23.3–25.5). Lower prevalence levels were observed for <i>Anaplasma</i> spp. (1.82%, 95% CI: 1.47–2.23), <i>Ehrlichia</i> spp., (1.25%, 95% CI: 0.97–1.60), <i>B. burgdorferi</i> s.l. (0.22%, 95% CI: 0.11–0.39), and <i>D. immitis</i> (0.84%, 95% CI: 0.65–1.06). Positive cases for all pathogens increased over time, with prevalence differing significantly between owned and shelter dogs. Topographical factors, land use, and monthly relative humidity appeared to influence the positivity in the dogs. These results update the epidemiology of the investigated CVBDs in Liguria, indicating a widespread exposure to <i>Rickettsia</i> spp. among local dogs.
ISSN:	2076-2615