| a potential vector of schistosoma mansoni in uruguay. | susceptibility experiments were carried out with a biomphalaria straminea-like planorbid snail (biomphalaria aff. straminea, species inquirenda) from espinillar, near salto (uruguay), in the area of the salto grande reservoir, exposed individually to 5 miracidia of schistosoma mansoni (sj2 and bh2 strains). of 130 snails exposed to the sj2 strain, originally infective to biomphalaria tenagophila, 30 became infected (23%). the prepatent (precercarial) period ranged from 35 to 65 days. the cercari ... | 1989 | 2520826 |