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Rev Bras Parasitol Vet ; 33(2): e003624, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-38656050

RESUMEN

Toxoplasma gondii and Neospora caninum are two closely related protozoans that infect a wide range of animals, including birds. However, the occurrence of N. caninum and T. gondii in seabirds is unknown. Therefore, this study aimed to determine the presence of T. gondii and N. caninum DNA in tissue samples of seabirds. Tissue samples of the pectoral muscles, heart, and brain were collected from 47 birds along the coastline of Santa Catarina State, SC, Brazil. The DNA was extracted from the tissues and screened using nested-PCR (nPCR) targeting internal transcribed spacer 1 (ITS1). T. gondii DNA was detected in tissues from seven seabirds (7/47, 14.8%), kelp gull (Larus dominicanus) (5/21), and Manx shearwater (Puffinus puffinus) (2/8). N. caninum DNA was detected in tissues of nine seabirds (9/47, 19.1%), the kelp gull (L. dominicanus) (4/21), Manx shearwater (P. puffinus) (2/8), neotropic cormorant (Phalacrocorax brasilianus) (1/4), brown booby (Sula leucogaster) (1/5), and white-chinned petrel (Procellaria aequinoctialis) (1/1); however, no co-infection was observed. In conclusion, this study showed the circulation of N. caninum and T. gondii in seabirds along the coastline of Santa Catarina State. Further studies are required to clarify the role of these birds in the epidemiology of neosporosis and toxoplasmosis.


Asunto(s)
Enfermedades de las Aves , Coccidiosis , ADN Protozoario , Neospora , Toxoplasma , Toxoplasmosis Animal , Animales , Toxoplasma/aislamiento & purificación , Toxoplasma/genética , Brasil/epidemiología , Neospora/aislamiento & purificación , Neospora/genética , Toxoplasmosis Animal/diagnóstico , Toxoplasmosis Animal/epidemiología , Toxoplasmosis Animal/parasitología , Enfermedades de las Aves/parasitología , Enfermedades de las Aves/diagnóstico , Enfermedades de las Aves/epidemiología , Coccidiosis/veterinaria , Coccidiosis/diagnóstico , Coccidiosis/epidemiología , Coccidiosis/parasitología , ADN Protozoario/aislamiento & purificación , ADN Protozoario/análisis , Reacción en Cadena de la Polimerasa/veterinaria , Aves/parasitología , Charadriiformes/parasitología
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