Mortalidad de equinos por Trypanosoma evansi en Argentina. Diagnóstico parasitológico y molecular

C. N. Pertile; F. Dubois; A. S. Medina; N. F. Sarmiento

doi:10.30972/vet.3215648

Authors

C. N. Pertile Instituto Nacional de Tecnología Agropecuaria. Estación Experimental Mercedes. Consejo Nacional de Investigaciones Científicas y Técnicas.
F. Dubois Consejo Nacional de Investigaciones Científicas y Técnicas.
A. S. Medina Remonta Veterinaria, Ejército Argentino.
N. F. Sarmiento Instituto Nacional de Tecnología Agropecuaria. Estación Experimental Mercedes.

DOI:

https://doi.org/10.30972/vet.3215648

Keywords:

Trypanosoma evansi, equines, outbreak, Corrientes (Argentina)

Abstract

Trypanosoma evansi is the causative agent of trypanosomosis and affects a wide variety of domestic and wild animals, with horses being the main affected. The objective of this work is to describe an outbreak of trypanosomosis due to T. evansi in twenty (20) horses with symptoms characterized by progressive weight loss, loss of appetite, intermittent hyperthermia, weakness, lymphoadenomegaly, pale mucous membranes, nasal secretions and epiphora, edemas in the chest area, abdomen and later members. The diagnosis was positive for T. evansi. The treatment consisted of diminacin aceturate without satisfactory results. This work is the first report of death of horses by T. evansi with parasitological and molecular diagnosis in the town of Monte Caseros, Corrientes, Argentina.

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References

Brun R, Hecker H, Lun ZR. 1998. Trypanosoma evansi and T. equiperdum: Distribution, biology, treatment and phylogenetic relationship (a review). Vet Parasitol 79: 95-107.

Chagas CR, Binkienė R, Ilgūnas M, Iezhova T, Valkiūnas G. 2020. The buffy coat method: A tool for detection of blood parasites without staining procedures. Parasites & Vectors v.13.

Fereig RM et al. 2017. Seroprevalence of Babesia bovis, B. bigemina, Trypanosoma evansi and Anaplasma marginale antibodies of cattle in southern Egypt. Ticks Tick Borne Dis 8: 125-131.

Gillingwater K et al. 2010. In vitro activity and preliminary toxicity of various diamidine compounds against Trypanosoma evansi. Vet Parasitol 169: 264-272.

Monzón CM, Hoyos CB, Jara GA. 1995. Brotes de tripanosoma equina causados por T. evansi en Formosa, Argentina. Rev Sci Tech OIE 14: 747-752.

Paoletta MS et al. 2018. Epidemiology of Babesia, Anaplasma and Trypanosoma species using a new expanded reverse line blot hybridization assay. Ticks Tick Borne Dis 9: 155-163.

Parodi P et al. 2018. Diagnóstico parasitológico y molecular de tripanosomiasis canina por Trypanosoma evansi en perros asociados a la caza, en dos localidades del Departamento de Artigas, Uruguay. Vet 54.

Peregrine AS. 1994. Chemotherapy and delivery systems:

haemoparasites. Vet Parasitol 54: 223-248.

Sudarto MW, Tabel H, Haines DM. 1990. Immunohistochemical demonstration of Trypanosoma evansi in tissues of experimentally infected rats and a naturally infected water buffalo (Bubalus bubalis). J Parasitol 76: 162-167.

Sumba AL, Mihok S, Oyieke FA. 1998. Mechanical transmission of Trypanosoma evansi and T. congolense by Stomoxys nigerand S. taeniatusin a laboratory mouse model. Med Vet Entom 12: 417-422.

Wilkowsky SE. 2018. Trypanosoma. In: Parasitic protozoa of farm animals and pets. Springer International Publishing 2018: 271-287.