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Vet Parasitol. 1991 Aug;39(3-4):337-40.

Experimental infection of Japanese quail with Toxocara canis larvae through earthworms.

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Department of Parasitology, Faculty of Veterinary and Animal Sciences, Bidhan Chandra Agricultural University, Mahanpur, Nadia, India.


The migration and distribution of Toxocara canis larvae in the tissues of earthworms exposed to 5 x 10(5) infective eggs in soil, as well as the reinfectivity of the larvae in Japanese quail fed with three earthworms, were studied. The average number of larvae recovered from an earthworm gradually declined from 9 +/- 3.21 to 4.5 +/- 2.00 at 4-16 days. No larvae were recovered at Day 20. When compared between three portions of the earthworms' body, the middle part showed the greatest recovery in comparison with the anterior and posterior parts. At necropsy, the average larval burden of quail at 15 days post-infection was 6 +/- 3.60 in the liver and no larvae were recovered from other tissues. The role of the earthworm in relation to paratenism is discussed.

[Indexed for MEDLINE]

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