Encyclopedia of Parasitology

2016 Edition
| Editors: Heinz Mehlhorn

Schistosomiasis, Animals

Reference work entry
DOI: https://doi.org/10.1007/978-3-662-43978-4_2829
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Important Species

  • S. bovis: in North and East Africa, Iran. The males reach a length of 15 mm, females 28 mm, eggs: 180× 60 μm with terminal spine, in faeces; intermediate hosts: Bulinus and Planorbis snails.

  • S. mattheei: in East, South, Central Africa; males 14 mm, females 25 mm; eggs 170 × 70 μm with terminal spine, found in faeces and urine (10 %).

  • S. nasale: in India in buffaloes and cattle in the veins of the nose (prevalence up to 50 %); worms: females 11 mm, males 8 mm); eggs: boomerang-shaped, 350–380 × 50–89 μm, are excreted in nasal slime; intermediate hosts: Indoplanorbis snails.

  • S. spindale: in India and Far East; in cattle, buffaloes, small ruminants, and dogs; adults (16 mm) live in mesenterial veins, but also in veins of the whole body; eggs with 2 protrusions (Figs. 1 and 2) reach a size of 300 × 80 μm; intermediate hosts: Indoplanorbis snails.

  • S. japonicum: appearance and occurrence as in humans.

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© Springer-Verlag Berlin Heidelberg 2016