Dataset Information

Survey of Zoonotic and Non-zoonotic Vector-Borne Pathogens in Military Horses in Lisbon, Portugal.

ABSTRACT: Vector-borne diseases of zoonotic and/or veterinary relevance have been increasingly reported in horses globally, although data regarding working and military horses is lacking. Portuguese military horses may constitute a risk group for these pathogens, as they frequently work outdoors in various regions of the country. This study included 101 apparently healthy horses belonging to the Portuguese National Republican Guard. Blood samples were analyzed to determine the presence and prevalence of piroplasms, Anaplasmataceae, Rickettsia spp., and filarioid helminths. Overall 32.7% of the horses gave positive results for Theileria equi. Two genotypes of T. equi were verified. No positive results were recorded for Anaplasma spp., Rickettsia spp., filarioid helminthes, and Babesia caballi. As equine piroplasmosis is a severe infectious tick-borne disease responsible for significant losses in equine production and with numerous impacts in the international movement of horses, adequate treatment, and preventive measures are needed to reduce exposure to vectors and future infections.

SUBMITTER: Fuehrer HP

PROVIDER: S-EPMC7593411 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Survey of Zoonotic and Non-zoonotic Vector-Borne Pathogens in Military Horses in Lisbon, Portugal.

Fuehrer Hans-Peter HP Alho Ana Margarida AM Kayikci Feodora Natalie FN Shahi Barogh Bita B Rosa Hugo H Tomás José J Rocha Hugo H Harl Josef J Madeira de Carvalho Luís L

Frontiers in veterinary science 20201015

Vector-borne diseases of zoonotic and/or veterinary relevance have been increasingly reported in horses globally, although data regarding working and military horses is lacking. Portuguese military horses may constitute a risk group for these pathogens, as they frequently work outdoors in various regions of the country. This study included 101 apparently healthy horses belonging to the Portuguese National Republican Guard. Blood samples were analyzed to determine the presence and prevalence of p ...[more]

PMID: 33195629

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Project description:BackgroundCanine vector-borne diseases (CVBDs) are increasingly being reported worldwide and represent a serious threat to both animal and public health. Military dogs may constitute a risk group for the agents causing these diseases, as they frequently work outdoors in different areas and are thus exposed to vector arthropods. In order to assess the risk of exposure of this type of dogs, a serological and molecular survey was conducted in military working dogs in Portugal. One hundred apparently healthy dogs were surveyed. Serum samples were tested for antigens of Angiostrongylus vasorum and Dirofilaria immitis; and for antibodies to A. vasorum, Anaplasma spp., Babesia spp., Ehrlichia canis, Leishmania infantum, Rickettsia spp. and Toscana virus. Serum was tested by polymerase chain reaction for Borrelia burgdorferi (sensu lato), with sequencing of the DNA products.ResultsForty-nine per cent of the dogs were seropositive for antibodies against Rickettsia spp., 16 % for Anaplasma spp., 13 % for L. infantum, 7 % for E. canis, 5 % for A. vasorum (including 1 % positive for both antibodies and circulating antigens), 3 % for Babesia spp. and 1 % positive for Toscana virus. B. burgdorferi (s.l.) was detected in eight out of 94 dogs tested (8.5 %) and in three cases (3.2 %) nucleotide sequence analysis showed identity with the genospecies Borrelia afzelii. No positive cases were recorded for D. immitis. Overall, 66 % of the dogs were positive for at least one out of the eight tested CVBD agents, six of which are zoonotic (i.e. Anaplasma spp., Borrelia spp., E. canis, L. infantum, Rickettsia spp. and Toscana virus). Serological specific antibody detection against more than one CVBD agent (including molecular detection of Borrelia spp.) was recorded in 25 % of the dogs, comprising 19 % with positive reaction to two agents, 5 % to three agents and 1 % to four agents.ConclusionsThese results reveal a high occurrence of CVBD agents in military working dogs in Portugal and highlight the need to maintain a comprehensive and regular prophylaxis to reduce the contact between working dogs and those pathogens. For the first time in Portugal, B. afzelii DNA was identified in dogs and a dog was found seropositive for antibodies against Toscana virus.

Dataset Information

Survey of Zoonotic and Non-zoonotic Vector-Borne Pathogens in Military Horses in Lisbon, Portugal.

Publications

Survey of Zoonotic and Non-zoonotic Vector-Borne Pathogens in Military Horses in Lisbon, Portugal.

Similar Datasets

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