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  • Title: [Fasciolinip-1: experimental fasciolicidal activity in sheep].
    Author: Ibarra-Velarde F, Vera-Montenegro Y, Olazarán-Jenkins S, Hernández-Campos A, Castillo-Bocanegra R.
    Journal: Rev Latinoam Microbiol; 1995; 37(2):171-8. PubMed ID: 8552877.
    Abstract:
    The aim of the present study was to evaluate the flukicide efficacy of the 2-amino-5(6)-chloro-1-methoxycarbonylbenzimidazole (II), named Fasciolinip-1, against eight and twelve-week old flukes in sheep. In a first experiment 35 young sheep were infected each with 300 metacercariae of Fasciola hepatica. Eight weeks postinfection five groups of seven animals each were treated as follows: Groups 1, 2 and 3 were given 2.5, 5 and 10 mg/kg of Fasciolinip-1. Groups 4 and 5 remained as non-treated and vehicle controls, respectively. In a second study, 32 sheep were infected each with 150 metacercariae. Twelve weeks postinfection, the animals were divided into 4 groups of 8 sheep each. Groups 1, 2 and 3 were treated orally with 5, 10 and 15 mg/kg of Fasciolinip-1, respectively. Group 4 remained as non-treated control. Fifteen days after treatment, all sheep from both experiments were killed to collect the flukes present in liver. Results indicated efficacies of 19.1%, 49.6% and 65.2% for groups 1, 2 and 3 of the first study and 48.3%, 64.8 and 90.6% for sheep of the second experiment, respectively. It was concluded that Fasciolinip-1 removed 8-week old flukes in limited numbers and 12-week old flukes in 90.6% when used at 15 mg/kg body weight.
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