6533b85dfe1ef96bd12bde1a
RESEARCH PRODUCT
Echinostoma friedi: the effect of age of adult worms on the infectivity of miracidia.
María TrelisRafael ToledoJosé-guillermo EstebanInés CarpenaAna EspertCarla Muñoz-antolisubject
InfectivityVeterinary medicineLymnaea peregraAgingEchinostomiasisbiologyMesocricetusHatchingEggsfungiGeneral MedicineAnatomybiology.organism_classificationEchinostomatidaeHost-Parasite InteractionsCricetinaeEchinostomaparasitic diseasesParasite hostingAnimalsAnimal Science and ZoologyParasitologyTrematodaEchinostoma friediLymnaeadescription
AbstractThe effect of ageing of adults ofEchinostoma friedi(Trematoda: Echinostomatidae) on the infectivity of miracidia yielded was analysed. Miracidia were obtained after hatching of eggs obtained from adult worms ofE. friedicollected weekly during the course of experimental infections in golden hamsters. Miracidial infectivity, measured in terms of percentage of infection inLymnaea peregra, was significantly influenced by the age of the adult worms from which the miracidia were derived. Infective miracidia only were obtained from adult worms in the age range from 4 to 9 weeks post-infection. Infectivity was maximal in those miracidia derived from adults collected 8 and 9 weeks post-infection. The results suggest that adult worms producing viable eggs require additional maturation to be able to yield eggs containing infective miracidia.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2004-02-20 | Journal of helminthology |