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Topic:Ticks

Ticks are ectoparasites that can affect horses by attaching to their skin and feeding on their blood. They are vectors for various pathogens, which can lead to tick-borne diseases in horses. Common tick-borne diseases affecting equines include Lyme disease, equine piroplasmosis, and anaplasmosis. Ticks can cause irritation and skin lesions at the site of attachment, and their presence may lead to secondary infections. Management of ticks in horses involves regular inspection, use of acaricides, and environmental control measures to reduce tick populations. This page compiles peer-reviewed research studies and scholarly articles that investigate the impact of ticks on equine health, the transmission of tick-borne pathogens, and strategies for prevention and control of tick infestations in horses.
Genetic diversity of equine piroplasmosis agents in Guadeloupe (Caribbeans): first report of Theileria haneyi, evaluation of diagnostic tools and impact of horse movement.
Ticks and tick-borne diseases    September 27, 2025   Volume 16, Issue 6 102547 doi: 10.1016/j.ttbdis.2025.102547
Mège M, Bonsergent C, Viry L, Dhune M, Lecollinet S, Malandrin L.Equine piroplasmosis is a major tick-borne horse disease, caused by the intracellular development of piroplasms (Theileria equi sensu lato and Babesia caballi), with significant economic and sanitary consequences. In 2024, 203 blood samples were collected in Guadeloupe (Caribbean) from asymptomatic horses. Using an 18S rRNA nested PCR (nPCR) specific for each equine genus parasite, 79 samples tested positive for Theileria equi and 9 for Babesia caballi, resulting in respective prevalence of 38.9% and 4.4%. Three horses were co-infected. For B. caballi, 18S rRNA sequence analysis revealed the p...
Suspected tickborne virus infection in a horse from Dartmoor.
The Veterinary record    August 15, 2025   Volume 197, Issue 4 151-152 doi: 10.1002/vetr.5905
Ionescu AM, Folly AJ, Johnson N, Cornelisse K.No abstract available
An epidemiological survey of equine piroplasmosis in donkeys and horses in Malawi.
Veterinary parasitology, regional studies and reports    July 11, 2025   Volume 63 101315 doi: 10.1016/j.vprsr.2025.101315
Chatanga E, Ahedor B, Atabek B, Kainga H, Kapalamula T, Razemba T, Nakao R, Nonaka N, Sivakumar T, Yokoyama N.Equine piroplasmosis (EP) is a tick-borne disease caused by Theileria equi, Theileria haneyi, and Babesia caballi in equids, such as horses, donkeys, mules, and zebras. A comprehensive understanding of the epidemiology of T. equi and B. caballi is vital for EP management. The present study surveyed T. equi and B. caballi infections in donkeys and horses in Malawi. Blood samples were collected from 185 equines, including 178 donkeys in Lilongwe (n = 136) and Dedza (n = 42) districts, and seven horses in Lilongwe district. The blood samples were used to measure hematocrit values and prepare ...
Spatial Distribution of Equid Exposure to Rickettsia spp. in Goiás State, Midwestern Brazil.
Pathogens (Basel, Switzerland)    May 2, 2025   Volume 14, Issue 5 449 doi: 10.3390/pathogens14050449
Pádua GT, Tavares MA, de Lima NJ, Paula WVF, Dos Santos GC, Neves LC, Bittencourt RBM, Paludo RLDR, Cardoso ERN, da Silva BBF, Pádua BR....This study sought to investigate the presence of anti- spp. antibodies in georeferenced serum samples from equids across all regions of the state of Goiás, while also presenting variables that indicate risk factors for the circulation of rickettsiae, and evaluating the presence of rickettsial DNA in ticks collected from equids and the surrounding environment in the municipalities of Uruaçu and Porangatu, located in the northern region of the state. A total of 1156 equid serum samples provided by the Goiás Agricultural Defense Agency (Agrodefesa) were analyzed for antibodies against 4 antig...
The Industrial Residue of Andiroba (Carapa sp.): A Promising Source of Natural Acaricides Against Dermacentor nitens (Acari: Ixodidae).
Veterinary sciences    April 29, 2025   Volume 12, Issue 5 421 doi: 10.3390/vetsci12050421
Bianchi D, Santos RRD, Peleja PL, de Sousa ABB, da Silva Evangelista M, de Almeida Júnior JS, Barata LES, Moraes WP, Minervino AHH. (tropical horse tick) is a tick species commonly found parasitizing horses and other equids in the Amazon region, causing economic losses. Currently, tick control is based on chemical acaricides, usually in a power formulation for topical use. However, its indiscriminate use results in the emergence of resistant tick lineages. Several plant compounds have been tested for their acaricide activity. In the Amazon, several plants are used for oil extraction, resulting in the production of solid residue (waste) that may contain chemical molecules with biological activities. Thus, we aimed to test ...
Haemaphysalis longicornis ticks are unable to transstadially transmit Theileria haneyi to horses.
Frontiers in veterinary science    April 2, 2025   Volume 12 1572944 doi: 10.3389/fvets.2025.1572944
Poh KC, Oyen K, Onzere CK, Kappmeyer LS, Bastos RG.The recent discovery of , a tick-borne hemoparasite that causes mild clinical signs of equine piroplasmosis, has added complexity to the diagnosis of this reportable disease, which is prevalent among equids globally. Knowledge gaps regarding competent tick vectors that can transmit and the recent outbreak of in the US has prompted us to conduct this study. Our objective was to investigate whether can transstadially transmit to horses. Unassigned: larvae (0.5 g) and nymphs ( = 500) were fed on a splenectomized -infected horse for parasite acquisition. During the tick feeding period, ...
Risk factors for tick infestation and equine Piroplasmosis infection among draught horses in France.
Ticks and tick-borne diseases    March 17, 2025   Volume 16, Issue 3 102468 doi: 10.1016/j.ttbdis.2025.102468
Nadal C, Chanet C, Delaunay C, Pitel PH, Marsot M, Bonnet SI.Equine piroplasmosis, caused by the protozoan parasites Babesia caballi and Theileria equi, is endemic in Europe's Mediterranean basin, creating significant health and economic challenges for the equine sector. With no available vaccine, an eco-epidemiological approach is essential in order to identify and implement effective preventive measures. With this aim in view, we identified risk factors associated with B. caballi and T. equi infections and tick infestation for draught horses in the Auvergne-Rhône-Alpes region of France, known for its high piroplasmosis seroprevalence. During the spri...
Seroprevalence and Risk Factors of Crimean-Congo Hemorrhagic Fever Exposure in Wild and Domestic Animals in Benin.
Viruses    March 8, 2025   Volume 17, Issue 3 387 doi: 10.3390/v17030387
Yessinou RE, Farougou S, Olopade JO, Oluwayelu DO, Happi A, Happi C, Groschup M.Crimean-Congo hemorrhagic fever (CCHF) is a tick-borne zoonotic viral disease prevalent in Africa. While infection is asymptomatic in animals, it can cause severe illness with hemorrhagic manifestations and high mortality rates in humans. This study aimed to determine the seroprevalence and potential risk factors of CCHF in wild (rodents, birds) and domestic (cattle, horses) animals in Benin. A cross-sectional study was carried out from 2022 to 2024 with the assistance of cattle breeders, hunters, farmers and bushmeat sellers in 15 districts found in three agroecological zones in the country. ...
Equine piroplasmosis in different geographical areas in France: Prevalence heterogeneity of asymptomatic carriers and low genetic diversity of Theileria equi and Babesia caballi.
Ticks and tick-borne diseases    January 3, 2025   Volume 16, Issue 1 102434 doi: 10.1016/j.ttbdis.2024.102434
Jouglin M, Bonsergent C, de la Cotte N, Mège M, Bizon C, Couroucé A, Lallemand ÉA, Leblond A, Lemonnier LC, Leroux A, Marano I, Muzard A....Equine piroplasmosis is a worldwide tick-borne disease caused by the parasites Theileria equi sensu lato and Babesia caballi, with significant economic and sanitary consequences. These two parasites are genetically variable, with a potential impact on diagnostic accuracy. Our study aimed to evaluate the frequency of asymptomatic carriers of these parasites in France and describe the circulating genotypes. We developed a species-specific nested PCR protocol targeting the 18S small sub-unit (SSU) rRNA gene and used it on blood samples collected from 566 asymptomatic horses across four National V...
Occurrence and risk factors of equine piroplasmosis in Portugal: A five-year retrospective study.
Veterinary parasitology    December 19, 2024   Volume 334 110378 doi: 10.1016/j.vetpar.2024.110378
Cabete A, Xufre Â, Padre L, Bettencourt E, Nunes T, Gomes J.Equine piroplasmosis (EP) is a tick-borne disease of equids caused by Theileria equi, Theileria haneyi, and Babesia caballi. EP is endemic in most tropical and subtropical regions worldwide, and there is a likelihood that it is also endemic in Portugal. This retrospective study aimed to determine the seroprevalence, prevalence, and potential risk factors of EP in our country over the past five years. A total of 3063 diagnostic test records were analysed. Results from the competitive enzyme-linked immunosorbent assay (cELISA) revealed a seroprevalence of 32.7 % and 15.7 % for T. equi and B....
[Equine piroplasmosis: Case descriptions and overview of the epidemiological situation in Europe with focus on Germany].
Tierarztliche Praxis. Ausgabe G, Grosstiere/Nutztiere    December 4, 2024   doi: 10.1055/a-2457-5516
Axt CW, Springer A, von Luckner J, Naucke TJ, Müller E, Strube C, Schäfer I.Equine piroplasmosis (EP) is caused by (.) and (.) and is transmitted by hard ticks. Predominantly, the Mediterranean region is known as being endemic for both pathogens in Europe. However, autochthonous infections in central European countries such as Germany can no longer be ruled out due to individual case reports in horses without any stays abroad as well as the geographical expansion of the habitats of different tick species. The case reports presented underline the risk of infection for horses travelling to endemic areas and in horses imported from such areas to non-endemic countries...
[Equine granulocytic anaplasmosis (EGA): Case description and overview of the epidemiological situation with focus on Germany].
Tierarztliche Praxis. Ausgabe G, Grosstiere/Nutztiere    December 4, 2024   Volume 52, Issue 6 352-360 doi: 10.1055/a-2418-6540
Axt CW, Springer A, Besse A, Naucke TJ, Müller E, Strube C, Schäfer I.Equine granulocytic anaplasmosis (EGA) is a tick-borne disease caused by Anaplasma (A.) phagocytophilum. In Central, Northern, Western, and Eastern Europe, ticks of the Ixodes (I.) ricinus/I. persulcatus complex, in Germany mainly I. ricinus, are considered as vectors. Ixodes ricinus ticks show peaks of activity during the spring and summer months, particularly April to July. Changing climatic conditions, however, have meanwhile led to a year-round risk of tick exposure and thus infections with A. phagocytophilum. The presented case report underlines the seasonal peak phase of the infection ri...
Molecular Investigations of Babesia caballi from Clinically Healthy Horses in Southwestern Romania.
Veterinary sciences    November 27, 2024   Volume 11, Issue 12 600 doi: 10.3390/vetsci11120600
is a tick-borne hemoparasite that causes equine piroplasmosis. It has a significant economic impact, decreasing performance and affecting animal welfare. This study aimed to identify DNA in the blood of horses from households in the southwestern and western regions of Romania. We included 310 animals, from which blood was collected via EDTA. To test the samples for the parasite genome, we used real-time PCR and conventional PCR. The prevalence of was 5.81% (18/310) in apparently healthy horses, suggesting that this parasite is enzootic in the regions studied, although veterinarians did not...
Theileria orientalis Ikeda infection detected in red deer but not dogs or horses in New Zealand.
New Zealand veterinary journal    September 2, 2024   1-5 doi: 10.1080/00480169.2024.2393679
Lawrence KE, Gedye K, Carvalho L, Wang B, Fermin LM, Pomroy WE.To determine whether evidence for infection with (Ikeda) could be identified in samples of commercial red deer , horses, and working farm dogs in New Zealand. Unassigned: Blood samples were collected during October and November 2019 from a convenience sample of red deer (n = 57) at slaughter. Equine blood samples (n = 50) were convenience-sampled from those submitted to a veterinary pathology laboratory for routine testing in January 2020. Blood samples, collected for a previous study from a convenience sample of Huntaway dogs (n = 115) from rural regions throughout the North and ...
New insights in the diagnosis and treatment of equine piroplasmosis: pitfalls, idiosyncrasies, and myths.
Frontiers in veterinary science    August 14, 2024   Volume 11 1459989 doi: 10.3389/fvets.2024.1459989
Mendoza FJ, Pérez-Écija A, Kappmeyer LS, Suarez CE, Bastos RG.Equine piroplasmosis (EP) is a global tick-borne disease of equids caused by the intraerythrocytic apicomplexan parasites and , and the more recently discovered . These parasites can be transmitted by several tick species, including , , and , but iatrogenic and vertical transmission are also common. Clinical signs of EP include poor performance, fever, icterus, abortions, among others, and peracute or acute forms of infection are associated with high mortality in non-endemic areas. EP is a reportable disease and represents an important barrier for the international trade of horses and other e...
The first study of the prevalence and genetic diversity of Theileria equi and Babesia caballi in horses in Russia.
Parasitology research    July 20, 2024   Volume 123, Issue 7 279 doi: 10.1007/s00436-024-08300-3
Rar V, Marchenko V, Suntsova O, Epikhina T, Tikunov A, Meltsov I, Fedorets V, Igolkina Y, Kozlova I, Tikunova N.Equine piroplasmosis (EP) is a global worldwide infection, which can lead to the death of animals. Despite the causative agents of EP being well studied, there are no data on the distribution and genetic characteristics of EP agents in any region of Russia. In this study, blood samples from 750 horses from Novosibirsk province, Irkutsk province, and Altai region of Russian Siberia were examined for the presence of EP agents. Theileria equi and Babesia caballi were detected in all examined regions, with mean prevalence rates of 60.4% and 7.2%, respectively. The identified pathogens were genetic...
Biological response to Przewalski’s horse reintroduction in native desert grasslands: a case study on the spatial analysis of ticks.
BMC ecology and evolution    May 11, 2024   Volume 24, Issue 1 61 doi: 10.1186/s12862-024-02252-z
Zhang Y, Liu J, Zhang K, Wang A, Sailikebieke D, Zhang Z, Ao T, Yan L, Zhang D, Li K, Huang H.Reintroduction represents an effective strategy for the conservation of endangered wildlife, yet it might inadvertently impact the native ecosystems. This investigation assesses the impact of reintroducing endangered Przewalski's horses into the desert grassland ecosystem of the Kalamaili Nature Reserve (KNR), particularly its effect on the spatial distribution of ticks. In a 25 km core area of Przewalski's horse distribution, we set up 441 tick sampling sites across diverse habitats, including water sources, donkey trails, and grasslands, recording horse feces and characteristics to analyze t...
Nine-year seroepidemiological study of severe fever with thrombocytopenia syndrome virus infection in feral horses in Cape Toi, Japan.
BMC veterinary research    May 11, 2024   Volume 20, Issue 1 190 doi: 10.1186/s12917-024-04042-7
Mekata H, Yamada K, Umeki K, Yamamoto M, Ochi A, Umekita K, Kobayashi I, Hirai T, Okabayashi T.Severe fever with thrombocytopenia syndrome (SFTS) is a fatal zoonosis caused by ticks in East Asia. As SFTS virus (SFTSV) is maintained between wildlife and ticks, seroepidemiological studies in wildlife are important to understand the behavior of SFTSV in the environment. Miyazaki Prefecture, Japan, is an SFTS-endemic area, and approximately 100 feral horses, called Misaki horses (Equus caballus), inhabit Cape Toi in Miyazaki Prefecture. While these animals are managed in a wild-like manner, their ages are ascertainable due to individual identification. In the present study, we conducted a s...
Knowledge and perception of equine ticks and tick-borne diseases of Pennsylvania horse owners and caretakers.
Journal of equine veterinary science    May 10, 2024   105092 doi: 10.1016/j.jevs.2024.105092
Smarsh DN, Kenny LB, Spindler M, Poh KC, Machtinger ET.There is limited data on current knowledge of Pennsylvania horse caretakers on tick-borne diseases (TBDs), tick identification, and tick management practices. This study aimed to determine tick knowledge, concern, and management among Pennsylvania equine caretakers using an online survey. Descriptive statistics and one-way ANOVA tests were used to analyze data. The survey received 894 responses (539 completed) from Pennsylvania equine owners and caretakers. The largest proportion of respondents cared for 3-5 horses (31%), followed by 2 horses (27%). Veterinarian-confirmed diagnosis rates of tw...
Detection of tick-borne pathogens in Rhipicephalus bursa ticks collected from the autochthonous Garrano breed of horses in Portugal.
Veterinary parasitology, regional studies and reports    May 7, 2024   Volume 51 101033 doi: 10.1016/j.vprsr.2024.101033
Barradas PF, Marques J, Tavares C, Brito NV, Mesquita JR.The Garrano is a semi-feral horse breed native to several mountains in the northern Iberian Peninsula. Despite being endangered, this unique breed of pony has managed to survive in the wild and continues to be selectively bred, highlighting their remarkable resilience and adaptability to harsh environments. Wildlife plays a critical role in the survival of tick vectors in their natural habitats and the transfer of tick-borne pathogens, as they can serve as reservoir hosts for many agents and amplifiers for these vectors. The semi-feral lifestyle of the Garrano horses makes them particularly vu...
Detection of Crimean-Congo haemorrhagic fever virus in Hyalomma marginatum ticks, southern France, May 2022 and April 2023.
Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin    February 9, 2024   Volume 29, Issue 6 2400023 doi: 10.2807/1560-7917.ES.2024.29.6.2400023
Bernard C, Joly Kukla C, Rakotoarivony I, Duhayon M, Stachurski F, Huber K, Giupponi C, Zortman I, Holzmuller P, Pollet T, Jeanneau M, Mercey A....Crimean-Congo haemorrhagic fever (CCHF), a potentially severe zoonotic viral disease causing fever and haemorrhagic manifestations in humans. As the Crimean-Congo haemorrhagic fever virus (CCHFV) has been detected in ticks in Spain and antibodies against the virus in ruminant sera in Corsica, it was necessary to know more about the situation in France. In 2022-2023, CCHFV was detected in 155 ticks collected from horses and cattle in southern France.
Molecular detection of Theileria cervi in equids from México.
Research in veterinary science    September 6, 2023   Volume 164 105017 doi: 10.1016/j.rvsc.2023.105017
Bravo-Ramos JL, Sánchez-Montes S, Sánchez-Otero MG, Ballados-Gonzalez GG, Gamboa-Prieto J, Romero-Salas D, Olivares-Muñoz A.Equine piroplasmosis is a parasitic illness caused by various protozoa of the Babesia and Theileria genera, which parasitize within red blood cells. The transmission of these pathogens occurs through certain genus of ticks, including Amblyomma, Haemaphysalis, Hyalomma, and Rhipicephalus. In recent times, an increase in the identification of new Theileria species and genotypes has been observed. This is further complicated by the presence of mixed Theileria infections in both mammals and tick vectors, particularly in regions where wildlife and livestock share habitats and vectors. Therefore, th...
Diversity of the Bacterial and Viral Communities in the Tropical Horse Tick, Dermacentor nitens, in Colombia.
Pathogens (Basel, Switzerland)    July 16, 2023   Volume 12, Issue 7 doi: 10.3390/pathogens12070942
Holguin-Rocha AF, Calle-Tobon A, Vásquez GM, Astete H, Fisher ML, Tobon-Castano A, Velez-Tobon G, Maldonado-Ruiz LP, Silver K, Park Y....Ticks are obligatory hematophagous ectoparasites that transmit pathogens among various vertebrates, including humans. The microbial and viral communities of ticks, including pathogenic microorganisms, are known to be highly diverse. However, the factors driving this diversity are not well understood. The tropical horse tick, Dermacentor nitens, is distributed throughout the Americas and it is recognized as a natural vector of Babesia caballi and Theileria equi, the causal agents of equine piroplasmosis. In this study, we characterized the bacterial and viral communities associated with partial...
Clinical and epidemiological aspects of the infection by Babesia, Theileria and Trypanosoma species in horses from northeastern Colombia.
Ticks and tick-borne diseases    June 20, 2023   Volume 14, Issue 6 102208 doi: 10.1016/j.ttbdis.2023.102208
Jaimes-Dueñez J, Jiménez-Leaño Á, Enrique-Niño S, Arias-Landazábal N, Bedoya-Ríos M, Rangel-Pachón D.Piroplasmosis and trypanosomiasis are debilitating diseases of great economic impact on the equine industry of Latin America. Considering the lack of studies in the northeastern part of Colombia, this study aimed to determine the epidemiological, clinical and genetic features associated with infection of the Babesia, Theileria, and Trypanosoma species in horses from this geographical area. Two hundred and eighty horses from the Arauca, Meta, and Santander departments were molecularly analyzed for infection with Babesia caballi, Theileria equi, Trypanosoma evansi, and Trypanosoma vivax. Further...
Seroprevalence of Borrelia burgdorferi sensu lato and Anaplasma phagocytophilum Infections in German Horses.
Animals : an open access journal from MDPI    June 14, 2023   Volume 13, Issue 12 doi: 10.3390/ani13121984
Gehlen H, Inerle K, Bartel A, Stöckle SD, Ulrich S, Briese B, Straubinger RK.There are limited data on Lyme borreliosis (LB), a tick-borne disease caused by the Borrelia burgdorferi sensu lato complex, in horses. Seropositivity is not necessarily associated with clinical disease. Data on seropositivity against Borrelia burgdorferi and Anaplasma phagocytophilum in German horses are sparse. Therefore, serum samples from horses (n = 123) suspected of having Lyme borreliosis and clinically healthy horses (n = 113) from the same stables were tested for specific antibodies against Borrelia burgdorferi sensu lato and Anaplasma phagocytophilum. The samples were screened for an...
Circulating oxidative stress and acute phase protein levels in horses infested with ticks.
Experimental & applied acarology    June 7, 2023   Volume 90, Issue 1-2 155-168 doi: 10.1007/s10493-023-00798-z
Nogueira BCF, Orozco AMO, Argumedo AK, de Oliveira Faustino A, de Oliveira LL, da Fonseca LA, Campos AK.Ticks have saliva rich in immunoregulatory molecules that interfere with the host's physiology in order to feed. This study aimed to evaluate the concentration of acute phase proteins and circulating oxidative stress in response to infestation by Amblyomma sculptum and Dermacentor nitens in two breed horses, Mangalarga Marchador and Breton Postier, to define resistance or susceptibility to ticks. Among the oxidative stress markers, we observed lower malondialdehyde and nitric oxide in horses with tick infestation, consequently not altering the antioxidant enzymes. Breton Postier with tick infe...
Global haplotype distribution of Babesia ovis inferred by 18S rRNA sequences; a phylogeographical systematic review.
Microbial pathogenesis    May 26, 2023   Volume 181 106179 doi: 10.1016/j.micpath.2023.106179
Spotin A, Dalir F, Hazratian T, Shekarchi AA, Mahami-Oskouei M, Farmani M, Dolatkhah A, Ahmadpour E.The genetic variability of apicomplexan parasite Babesia species is a principal strategy used by piroplasma to evade their hosts' immune responses. The purpose of this review was to evaluate our current knowledge on global haplotype distribution and phylogeography of Babesia ovis derived from sheep, goat, horse and ixodid (hard) ticks. Bibliographic English databases were searched from 2017 to 2023, identifying a total of 11 publications. The 18S ribosomal RNA (18S rRNA) sequences of B. ovis from Asia, Europe, and Africa were retrieved and subjected to estimate the genetic diversity and phylog...
A systematic review and meta-analysis of the prevalence of parasitic infections in equids in Ethiopia.
Journal of parasitic diseases : official organ of the Indian Society for Parasitology    May 24, 2023   Volume 47, Issue 3 451-464 doi: 10.1007/s12639-023-01598-3
Mesafint E, Dejene H, Maru M, Tarekegn ZS.We performed this review to determine the weighted prevalence of equids parasitic infections in Ethiopia. Article searches on parasites of equids were conducted using PubMed, PubMed Central, Google Scholar, Science Direct, Web of Sciences, Scopus, AJOLs and Research Gate. A random effects model was used to estimate the weighted prevalence and to study heterogeneity. The primary searches generated, 3082 potential studies, of which 66 reports met the inclusion criteria and were included in the meta-analysis. There were 32 reports involving two or more equids species, eighteen on donkeys, and six...
Diversity of the bacterial and viral communities in the tropical horse tick, Dermacentor nitens in Colombia.
bioRxiv : the preprint server for biology    May 5, 2023   2023.05.04.539352 doi: 10.1101/2023.05.04.539352
Holguin-Rocha AF, Calle-Tobon A, Vásquez GM, Astete H, Fisher ML, Tobon-Castano A, Velez-Tobon G, Maldonado-Ruiz LP, Silver K, Park Y....Ticks are obligatory hematophagous ectoparasites that transmit pathogens among various vertebrates, including humans. The composition of the microbial and viral communities in addition to the pathogenic microorganisms is highly diverse in ticks, but the factors driving the diversity are not well understood. The tropical horse tick, , is distributed throughout the Americas and it is recognized as a natural vector of and , the causal agents of equine piroplasmosis. We characterized the bacterial and viral communities associated with partially-fed females collected by a passive survey on hors...
Seroexposure to Zoonotic Anaplasma and Borrelia in Dogs and Horses That Are in Contact with Vulnerable People in Italy.
Pathogens (Basel, Switzerland)    March 16, 2023   Volume 12, Issue 3 470 doi: 10.3390/pathogens12030470
Traversa D, Milillo P, Maggi R, Simonato G, Di Cesare A, Pezzuto C, Grillini M, Morelli S, Colombo M, Passarelli A, Grassano A, Serio P, Losurdo M....Equine and canine anaplasmosis and borreliosis are major tick-borne zoonotic diseases caused by and various species of (the most important being s.l.), respectively. This study evaluated the seroexposure to and in dogs and horses used in Animal-Assisted Interventions or living in contact with children, elderly people or immunocompromised persons. A total of 150 horses and 150 dogs living in Italy were equally divided into clinically healthy animals and animals with at least one clinical sign compatible with borreliosis and/or anaplasmosis (present at clinical examination or reported in th...
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