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Epidemiological survey of Trichinella infection in domestic, synanthropic and sylvatic animals from Argentina

Published online by Cambridge University Press:  12 April 2024

S.J. Krivokapich ,
V. Molina ,
H.F.J. Bergagna  and
E.A. Guarnera
S.J. Krivokapich*
Affiliation:
Departamento de Parasitología, Instituto Nacional de Enfermedades Infecciosas, Administración Nacional de Laboratorios e Institutos de Salud, Dr Carlos G. Malbrán, Av. Vélez Sarsfield 563, 1281 Buenos Aires, Argentina
V. Molina
Affiliation:
Departamento de Parasitología, Instituto Nacional de Enfermedades Infecciosas, Administración Nacional de Laboratorios e Institutos de Salud, Dr Carlos G. Malbrán, Av. Vélez Sarsfield 563, 1281 Buenos Aires, Argentina
H.F.J. Bergagna
Affiliation:
Dirección de Control de Zoonosis y Vectores, Subsecretaría Gestión Ambiental, Av. Argentina y Roca, 8300 Neuquén, Argentina
E.A. Guarnera
Affiliation:
Departamento de Parasitología, Instituto Nacional de Enfermedades Infecciosas, Administración Nacional de Laboratorios e Institutos de Salud, Dr Carlos G. Malbrán, Av. Vélez Sarsfield 563, 1281 Buenos Aires, Argentina
*
*Fax: +54 11 4303 2382 E-mail: [email protected]
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Abstract

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The presence of Trichinella larvae was investigated in 247 samples taken from domestic, synanthropic and sylvatic animals, collected during 1996 to 2005 in 12 endemic provinces of Trichinella infection in Argentina. Muscle larvae of Trichinella from 65 infected animals were identified at the species level by single larva nested polymerase chain reaction (PCR) technique based on the variability within the expansion segment V (ESV) region of the ribosomal DNA. Trichinella infections were found in 97 of 164 pigs, 38 of 56 pork products, two domestic dogs, one domestic cat, 7 of 11 armadillos and 3 of 9 synanthropic rats. All Trichinella isolates were identified as Trichinella spiralis by nested PCR. These findings add new data on the epidemiology of trichinellosis and should be considered when implementing new strategies to control this zoonosis.

Type
Research Article
Information
Journal of Helminthology , Volume 80 , Issue 3 , September 2006 , pp. 267 - 269
Copyright
Copyright © Cambridge University Press 2006

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