"Baixadeiros" horses: prevalence of anti-Trypanosoma spp. and anti-Leishmania spp. antibodies
DOI:
https://doi.org/10.1590/cab19051522Abstract
A total of 138 horse blood samples were collected from 2012 to 2013 for the subsequent separation of serum collection. For detection of anti-Leishmania spp. and anti-Trypanosoma spp. antibodies, indirect immunofluorescence reactions and immunoenzymatic assays were performed. Samples with titers ?40 were considered positive in the indirect immunofluorescence (IFAT), and the cut off for the enzyme immunoassay (ELISA) was calculated with three standard deviations. When tested for Trypanosoma spp., 50.37% (68/135) of the samples were ELISA reagents, 18.84% (8/136) were positive for IFAT and 2.89% (4/138) for both tests. A significant statistical association was observed for the municipality (p = 0.013) and collection period (p = 0.042) in the ELISA. When tested for Leishmania spp., 25.4% (35/138) of the samples were ELISA reagents, 13.00% (18/138) were positive for the IFAT and 4.34% (6/138) were positive for two tests, there were no variables associated with seropositivity. A statistical association (p = 0.0034) was observed between the presence of anti-Trypanosoma spp. and anti-Leishmania spp. antibodies when the ELISA was used. The results suggest that this horse breed is in contact with leishmaniasis and trypanosomiasis, which demonstrates the need for a more accurate investigation into the real role of horses in these diseases to assist in disease control measures.
Keywords: Leishmaniasis; Trypanosomiasis; Equines; Serology
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