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First report of Toxocara cati in the domestic land snail Rumina decollata

Cardillo, Natalia, Prous, Cintia Gonzalez, Krivokapich, Silvio, Pittaro, Mariana, Ercole, Mariano, Perez, Matías, Pasqualetti, Mariana, Fariña, Fernando, Rosa, Adriana, Gatti, Graciana, Ribicich, Mabel
Revista Argentina de Microbiologia 2016 v.48 pp. 206-209
Toxocara cati, cats, eggs, feces, hospitals, larvae, open space, polymerase chain reaction, snails
The prospective role of the land snail Rumina decollata as a potential paratenic host of Toxocara cati for domestic cats was studied. R. decollata specimens and cats’ feces were collected from the open spaces of a Buenos Aires city hospital. Cats’ feces were analyzed and snails were digested to identify T. cati stages, by morphological and molecular analyses. T. cati larval eggs were recovered from 23.5% (4/17) of the sampled feces. Twenty percent of snail pools (5/25) were confirmed to be positive for Toxocara spp. third larval stage (L3) by PCR. The mean value of total larvae recovered per gram of snail in all positive pools was 5.1, with a maximum 33 L3/pool. This is the first report of T. cati infective larvae in R. decollata domestic snail as a paratenic host, since the relationship between infection in snails and in cats’ feces could be demonstrated in a common environment.