Presence of anti-Leishmania spp. antibodies in slaughter horses in Brazil

Evers, Fernanda; Ferreira, Fernanda Pinto; Navarro, Italmar Teodorico; Mitsuka‐Breganó, Regina; Pagliari, Sthefany; Monica, Thaís Cabral; Nino, Beatriz de Souza Lima; Freire, Roberta Lemos

doi:10.5433/1679-0359.2017v38n6p3921

Cited by 8 publications

(6 citation statements)

References 8 publications

(14 reference statements)

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“…In ELISA, there were also methodological differences, especially regarding the types of antigens and conjugates used in serum dilutions (FERNÁNDEZ-BELLON et al, 2006;KOUAM et al, 2010;FEITOSA et al, 2012;TRUPPEL et al, 2014). Other serological studies used IFAT and also presented differences regarding the cutoff points and conjugates used (SGORBINI et al, 2014;ACOSTA et al, 2014;OLIVEIRA et al, 2017;EVERS et al, 2017;BENASSI et al, 2018).…”

Section: Discussionmentioning

confidence: 99%

Clinical aspects and diagnosis of leishmaniasis in equids: a systematic review and meta-analysis

Limeira

Alves

Azevêdo

et al. 2019

Rev. Bras. Parasitol. Vet.

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Leishmaniases are a group of diseases of zoonotic importance caused by over 20 species of protozoa of the genus Leishmania, in which domestic dogs are considered to be the main reservoir for the disease. However, the involvement of other vertebrates as reservoirs for these parasites has also been investigated. Therefore, the objective of the present study was to carry out a systematic review with meta-analysis on occurrences of leishmaniasis in equids. The case reports described animals with cutaneous symptoms of leishmaniasis (papules, nodules, ulcers or crusts) that regressed spontaneously, located mainly on the head and limbs, from which three species of protozoa were identified in the lesions: Leishmania braziliensis, Leishmania infantum and Leishmania siamensis. In turn, the meta-analysis showed a combined prevalence of 25%, although with high heterogeneity among the studies, which was attributed to the use of different methods for diagnosing the disease. Leishmaniasis in equids is a benign disease but it should be included in the differential diagnosis of cutaneous diseases among these species. Seroepidemiological studies are important in investigating and monitoring suspected exposure of these hosts to the parasite, especially in endemic areas. However, there is also a need to standardize diagnostic methods.

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Section: Discussionmentioning

confidence: 99%

Clinical aspects and diagnosis of leishmaniasis in equids: a systematic review and meta-analysis

Limeira

Alves

Azevêdo

et al. 2019

Rev. Bras. Parasitol. Vet.

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“…horses in South America, some epidemiological surveys have shown positive equids to Leishmania spp. by parasitological, molecular and serological methods in Brazil (Figure 1) [4][5][6][7][8][9][10][11][12]14,18,[23][24][25][26][27][28][29][30][31] .…”

Section: Resultsmentioning

confidence: 99%

Detection of Leishmania infantum DNA in blood samples of horses (Equus caballus) and donkeys (Equus asinus) by PCR

Leonel

Tannihão

Arantes

et al. 2021

Rev. Inst. Med. trop. S. Paulo

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“…A study demonstrated a seroprevalence of 48.0% (73/152) of Leishmania spp. in horses from south Brazil sent to two slaughterhouses registered with the Federal Inspection Service [32]. The investigation of seroprevalence in Araçatuba (14,59% [68/466]) and Uberlandia (24.1% [62/257]), two brazilian cities located at Center of country, also demonstrated positive results and the need for further investigation to determine the real importance of horses in the disease cycle [33,34].…”

Section: Discussionmentioning

confidence: 99%

WITHDRAWN: Epidemiological characterization of Leishmaniasis in the rural area of the western border region of Rio Grande do Sul, Brazil

Pradella

Duarte

Escobar

et al. 2021

Preprint

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Background: Leishmaniasis, zoonotic diseases, are in the top ten list of tropical neglected disease globally. The number of contaminated dogs in South America is estimated in millions of animals and correlated to the human’s cases, especially in Brazil. Equines became infected too and can play a role in the epidemiological chain. Thus, the aim of the present study was to evaluate risk factors to leishmaniasis in rural areas of the western border region of Rio Grande do Sul state, Brazil by Leishmania sp. protozoa molecular detection and serological evaluation (ELISA) in equine and canine blood samples. Methods: This work included nine farms around the city of Uruguaiana. It was collected epidemiologic information regarding farm characteristics and biologic material collection of canine and equine, totalizing 113 samples. The polymerase chain reaction (PCR) technique was used to detect Leishmania spp. in biological samples. Variables related to the farm were collected and evaluated through descriptive analysis followed by chi-square test and a logistic regression analysis.Results: Nineteen positive samples (19/113 – 16,81%) were detected, being 18 equines and 1 canine, in six of the nine farms included in the study. No animal showed clinical signs of the disease. According to the variables analyzed, when compared each characteristic separately, the presence of abundant vegetation and poor hygiene demonstrated to be risk factors to Leishmania infection in rural areas. The logistic regression showed that excellent general hygiene, proximity to the weir and trimmed grass were protective factors (p=0.038, p=0.001 and p=0.014, respectively). Having excellent hygiene represents a 70% lower chance of getting contaminated, keeping the grass cut protects the animal by more than 90% and the proximity of the weir represents a protective factor of 96%.Conclusions: The presence of leishmaniasis in the western border region of Rio Grande do Sul was 16,81% and it was influence by farm characteristics. The role of the excellent general hygiene as a protective factor is extremally relevant in the leishmaniosis prevention.

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Presence of anti-Leishmania spp. antibodies in slaughter horses in Brazil

Cited by 8 publications

References 8 publications

Clinical aspects and diagnosis of leishmaniasis in equids: a systematic review and meta-analysis

Clinical aspects and diagnosis of leishmaniasis in equids: a systematic review and meta-analysis

Detection of Leishmania infantum DNA in blood samples of horses (Equus caballus) and donkeys (Equus asinus) by PCR

WITHDRAWN: Epidemiological characterization of Leishmaniasis in the rural area of the western border region of Rio Grande do Sul, Brazil

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