Castration and pregnancy of rural pigs significantly increase the prevalence of naturally acquired Taenia solium cysticercosis
Por:
Morales J., Velasco T., Tovar V., Fragoso G., Fleury A., Beltrán C., Villalobos N., Aluja A., Rodarte L.F., Sciutto E., Larralde C.
Publicada:
1 ene 2002
Resumen:
Cuentepec is a rural village of central Mexico, where 1300 pigs were bred at the time of the study in conditions that favor Taenia solium transmission. The tongues of 1087 (84%) of these pigs were visually examined and 33% were found to be cysticercotic. Castration of male pigs increased prevalence from 23 to 50% (P<0.001) and pregnancy in sows also increased their prevalence from 28 to 59% (P<0.001). Thus, endocrinological conditions characterized by low levels of androgens or high levels of female hormones probably influence the susceptibility of pigs to T. solium cysticercosis as observed in mice infected with Taenia crassiceps. Delaying castration of male pigs and confinement of sows during pregnancy might significantly decrease the prevalence of pig-cysticercosis and help curb transmission without much cost or difficulty. © 2002 Elsevier Science B.V. All rights reserved.
Filiaciones:
Morales J.:
Universidad Autónoma del Estado de Morelos, Cuernavaca, Morelos, Mexico
Velasco T.:
Universidad Autónoma Metropolitana, México, D.F., Mexico
Tovar V.:
Instituto Nacional De Salud Pública, SSA, Cuernavaca, Morelos, Mexico
Fragoso G.:
Department of Immunology, Instituto De Investigaciones Biomédicas, Universidad Nacional Autónoma De México (UNAM), AP 70228, 04510 México, D.F., Mexico
Fleury A.:
Instituto Nacional De Neurología Y Neurocirugía, SSA, México, D.F., Mexico
Beltrán C.:
Department of Immunology, Instituto De Investigaciones Biomédicas, Universidad Nacional Autónoma De México (UNAM), AP 70228, 04510 México, D.F., Mexico
Villalobos N.:
Facultad De Medicina Veterinaria Y Zootecnia, UNAM, 04510 México, D.F., Mexico
Aluja A.:
Facultad De Medicina Veterinaria Y Zootecnia, UNAM, 04510 México, D.F., Mexico
Rodarte L.F.:
Facultad De Medicina Veterinaria Y Zootecnia, UNAM, 04510 México, D.F., Mexico
Sciutto E.:
Department of Immunology, Instituto De Investigaciones Biomédicas, Universidad Nacional Autónoma De México (UNAM), AP 70228, 04510 México, D.F., Mexico
Larralde C.:
Department of Immunology, Instituto De Investigaciones Biomédicas, Universidad Nacional Autónoma De México (UNAM), AP 70228, 04510 México, D.F., Mexico
Instituto Nacional De Salud Pública, SSA, Cuernavaca, Morelos, Mexico
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