Published

31-08-2023

Identificación molecular de microorganismos hemotrópicos transmitidos por vectores en caninos domésticos de diferentes centros veterinarios de Medellín, Colombia

Molecular identification of hemotropic microorganisms transmitted by vectors in domestic canines from different veterinary centers in Medellín, Colombia.

DOI:

https://doi.org/10.15446/rfmvz.v70n2.104573

Keywords:

PCR, enfermedades transmitidas por vectores, frecuencia, canino (es)
PCR, vector borne diseases, frequency, canine (en)

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Los patógenos transmitidos por vectores, comúnmente conocidos como hemoparásitos, son organismos hemotrópicos que varían desde nematodos, protozoos, virus y bacterias. El presente es un estudio retrospectivo de las bases de datos de 3.300 perros cuyo objetivo es evaluar la frecuencia mediante qPCR para 9 hemotrópicos en la ciudad de Medellín entre junio de 2021 y marzo de 2022 y la correlación de su presencia con las manifestaciones clínicas y hemoleucogramas de 20 perros positivos. Del total de perros testeados, el 60% fueron positivos para uno o más agentes. El número de animales infectados con uno, dos o tres agentes fue del 42,9% (1.416/3.300), 17,7% (583/3.300) y 1,3% (42/3.300), respectivamente. En orden de mayor a menor presencia de hemoparásitos, el número de perros positivos a un solo agente fue de: Anaplasma spp. (14,1%), Mycoplasma spp. (13,9%), Erlichia spp. (6,1%), Hepatozoon spp. (5,4%), Babesia spp. (1%), filarias (0,9%), y Bartonella spp. (0,6%). Las principales alteraciones clínico–patológicas en 9 de 20 perros positivos a algún hemoparásito y con signos clínicos inespecíficos (fiebre, anorexia, mialgia, letargo) fueron de anemia y/o trombocitopenia, con o sin un leucograma inflamatorio. No obstante, la ausencia de alteraciones clínico–patológicas en 11/20 animales positivos no descarta la presencia de infección, ya que los animales presentaban un hemograma normal. Estudios experimentales y de campo han mostrado que muchos perros positivos por serología y/o qPCR están clínicamente normales, y aunque no presentan una infección activa, sí pueden ser portadores asintomáticos de hemoparásitos. En este estudio se discuten los resultados y se comparan.....

Vector-borne pathogens commonly known as “haemoparasites” are hemotropic organisms that range from nematodes, protozoa, viruses, and bacteria. This is a retrospective study of the databases of 3,300 dogs that aims to evaluate the frequency by qPCR for 9 hemotropics in the city of Medellín between June 2021 and March 2022, and the correlation of the presence of these agents with the Clinical manifestations and hemoleukograms of 20 positive dogs. Of the total dogs tested, 60% were positive to one or more agents. The number of animals infected with one, two, or three agents was 42.9% (1416/3,300), 17.7% (583/3,300), and 1.3% (42/3,300), respectively. In order from highest to lowest presence of haemoparasites, the number of dogs positive for a single agent was: Anaplasma spp. (14.1%), Mycoplasma spp. (13.9%), Erlichia spp. (6.1%), Hepatozoon spp. (5.4%), Babesia spp. (1%), filariae (0.9%), and Bartonella spp. (0.6%). The main clinicopathological alterations in 9 of 20 dogs positive for some haemoparasite and with nonspecific clinical signs (fever, anorexia, myalgia, lethargy) were anemia and/or thrombocytopenia, with or without an inflammatory leukogram. However, the absence of clinicopathological alterations in 11/20 positive animals does not rule out the presence of infection since the animals had a normal blood count. Experimental and field studies have shown that many dogs positive by serology and/or qPCR are clinically normal, and although they do not present an active infection, they may be asymptomatic carriers of haemoparasites. In this study the results are discussed and compared with others carried out in Colombia for the...

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APA

Jaramillo–Delgado, I. L., Ríos–Usuga, C., Arias, A., Gómez, D., Pérez, D. & Muñoz–Cadavid, C. (2023). Identificación molecular de microorganismos hemotrópicos transmitidos por vectores en caninos domésticos de diferentes centros veterinarios de Medellín, Colombia. Revista de la Facultad de Medicina Veterinaria y de Zootecnia, 70(2), 206–219. https://doi.org/10.15446/rfmvz.v70n2.104573

ACM

[1]
Jaramillo–Delgado, I.L., Ríos–Usuga, C., Arias, A., Gómez, D., Pérez, D. and Muñoz–Cadavid, C. 2023. Identificación molecular de microorganismos hemotrópicos transmitidos por vectores en caninos domésticos de diferentes centros veterinarios de Medellín, Colombia. Revista de la Facultad de Medicina Veterinaria y de Zootecnia. 70, 2 (Aug. 2023), 206–219. DOI:https://doi.org/10.15446/rfmvz.v70n2.104573.

ACS

(1)
Jaramillo–Delgado, I. L.; Ríos–Usuga, C.; Arias, A.; Gómez, D.; Pérez, D.; Muñoz–Cadavid, C. Identificación molecular de microorganismos hemotrópicos transmitidos por vectores en caninos domésticos de diferentes centros veterinarios de Medellín, Colombia. Rev. Med. Vet. Zoot. 2023, 70, 206-219.

ABNT

JARAMILLO–DELGADO, I. L.; RÍOS–USUGA, C.; ARIAS, A.; GÓMEZ, D.; PÉREZ, D.; MUÑOZ–CADAVID, C. Identificación molecular de microorganismos hemotrópicos transmitidos por vectores en caninos domésticos de diferentes centros veterinarios de Medellín, Colombia. Revista de la Facultad de Medicina Veterinaria y de Zootecnia, [S. l.], v. 70, n. 2, p. 206–219, 2023. DOI: 10.15446/rfmvz.v70n2.104573. Disponível em: https://revistas.unal.edu.co/index.php/remevez/article/view/104573. Acesso em: 7 mar. 2026.

Chicago

Jaramillo–Delgado, I. L., C. Ríos–Usuga, A. Arias, D. Gómez, D. Pérez, and C. Muñoz–Cadavid. 2023. “Identificación molecular de microorganismos hemotrópicos transmitidos por vectores en caninos domésticos de diferentes centros veterinarios de Medellín, Colombia”. Revista De La Facultad De Medicina Veterinaria Y De Zootecnia 70 (2):206-19. https://doi.org/10.15446/rfmvz.v70n2.104573.

Harvard

Jaramillo–Delgado, I. L., Ríos–Usuga, C., Arias, A., Gómez, D., Pérez, D. and Muñoz–Cadavid, C. (2023) “Identificación molecular de microorganismos hemotrópicos transmitidos por vectores en caninos domésticos de diferentes centros veterinarios de Medellín, Colombia”, Revista de la Facultad de Medicina Veterinaria y de Zootecnia, 70(2), pp. 206–219. doi: 10.15446/rfmvz.v70n2.104573.

IEEE

[1]
I. L. Jaramillo–Delgado, C. Ríos–Usuga, A. Arias, D. Gómez, D. Pérez, and C. Muñoz–Cadavid, “Identificación molecular de microorganismos hemotrópicos transmitidos por vectores en caninos domésticos de diferentes centros veterinarios de Medellín, Colombia”, Rev. Med. Vet. Zoot., vol. 70, no. 2, pp. 206–219, Aug. 2023.

MLA

Jaramillo–Delgado, I. L., C. Ríos–Usuga, A. Arias, D. Gómez, D. Pérez, and C. Muñoz–Cadavid. “Identificación molecular de microorganismos hemotrópicos transmitidos por vectores en caninos domésticos de diferentes centros veterinarios de Medellín, Colombia”. Revista de la Facultad de Medicina Veterinaria y de Zootecnia, vol. 70, no. 2, Aug. 2023, pp. 206-19, doi:10.15446/rfmvz.v70n2.104573.

Turabian

Jaramillo–Delgado, I. L., C. Ríos–Usuga, A. Arias, D. Gómez, D. Pérez, and C. Muñoz–Cadavid. “Identificación molecular de microorganismos hemotrópicos transmitidos por vectores en caninos domésticos de diferentes centros veterinarios de Medellín, Colombia”. Revista de la Facultad de Medicina Veterinaria y de Zootecnia 70, no. 2 (August 31, 2023): 206–219. Accessed March 7, 2026. https://revistas.unal.edu.co/index.php/remevez/article/view/104573.

Vancouver

1.
Jaramillo–Delgado IL, Ríos–Usuga C, Arias A, Gómez D, Pérez D, Muñoz–Cadavid C. Identificación molecular de microorganismos hemotrópicos transmitidos por vectores en caninos domésticos de diferentes centros veterinarios de Medellín, Colombia. Rev. Med. Vet. Zoot. [Internet]. 2023 Aug. 31 [cited 2026 Mar. 7];70(2):206-19. Available from: https://revistas.unal.edu.co/index.php/remevez/article/view/104573

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2. C. Ríos-Úsuga, L.M. Rendón-Ramos, I.L. Jaramillo-Delgado, N.M. Correa-Valencia. (2025). Disclosing coinfections: The interaction between Toxoplasma gondii and hemotropic agents in Colombian dogs and cats. Comparative Immunology, Microbiology and Infectious Diseases, 122, p.102385. https://doi.org/10.1016/j.cimid.2025.102385.

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Copyright (c) 2023 I. L. Jaramillo–Delgado, C. Ríos–Usuga, A. Arias, D. Gómez, D. Pérez, C. Muñoz–Cadavid

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