Journal of the Egyptian Society of Parasitology. 2003; 33 (2): 585-96
en Inglés
| IMEMR
| ID: emr-62867
ABSTRACT
Myrrh has molluscicidal effect on infected Bulinus truncates and Biomphalaria alexandrina snails at low concentrations [10 and 20 ppm, respectively] after 24 hours exposure. The number of dead snails increased with prolongation of exposure time. All Schistosoma free cercariae were killed by 2.5 ppm within 15 minutes. One day-old egg masses were more susceptible to the ovicidal effect of myrrh than the five-day old ones. Both types of eggs were more resistant to the effect of myrrh than the adult snails, embryogenesis began to stop at 20 ppm and the eggs were all killed at 60 and 80 ppm. Shedding of cercariae of Schistosoma mansoni from infected B. alexandrina stopped at 1 ppm and was suppressed at 0.8 ppm. Snail fecundity decreased at 1 ppm
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Índice:
IMEMR (Mediterraneo Oriental)
Asunto principal:
Esquistosomiasis
/
Caracoles
/
Biomphalaria
/
Bulinus
/
Huevos
/
Fertilidad
/
Moluscocidas
Idioma:
Inglés
Revista:
J. Egypt. Soc. Parasitol.
Año:
2003
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