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1.
Mem. Inst. Oswaldo Cruz ; 104(6): 933-934, Sept. 2009. tab
Article in English | LILACS | ID: lil-529571

ABSTRACT

Toxocara cati is a common feline parasite transmitted by the ingestion of embryonated eggs, by the transmammary route or by predation of paratenic hosts harbouring third-stage larvae in their bodies. In the present study, the larval distribution of T. cati in tissues and organs of Rattus norvegicus experimentally infected with 300 embryonated eggs was analysed. Third-stage larvae were recovered from livers, lungs, kidneys, eyes, brains and carcasses of infected rats, following tissue digestion with HCl 0.5 percent for 24 h at 37°C. Some differences from the known larval distribution of Toxocara canisin the same rodent species were found.


Subject(s)
Animals , Cats , Male , Rats , Disease Reservoirs/parasitology , Toxocara/physiology , Toxocariasis/parasitology , Larva/growth & development , Rats, Wistar , Toxocara/classification
2.
Mem. Inst. Oswaldo Cruz ; 99(6): 627-628, Oct. 2004. tab
Article in English | LILACS | ID: lil-387913

ABSTRACT

The aim of this note was to record for the first time the recovery of Toxocara canis larvae from tissues and organs of Rattus norvegicus (Berkenhout, 1769), Wistar strain, until the 60th day after experimental infection. Rats were orally infected with embryonated T. canis eggs, killed on days 3, 5, 8, 10, 15, 30, and 60 after inoculation and larvae were recovered from liver, lungs, kidneys, brain, and carcass after acid digestion, showing a pattern of migration similar of that previously observed in mice.


Subject(s)
Animals , Male , Rats , Toxocara canis , Toxocariasis , Brain , Kidney , Larva , Liver , Lung , Rats, Wistar , Time Factors
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