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Development of Haplorchis taichui (Trematoda: Heterophyidae) in Mus musculus mice.

Authors
  • Sukontason, K
  • Sukontason, K L
  • Boonsriwong, N
  • Chaithong, U
  • Piangjai, S
  • Choochote, W
Type
Published Article
Journal
The Southeast Asian journal of tropical medicine and public health
Publication Date
Jan 01, 2001
Volume
32 Suppl 2
Pages
43–47
Identifiers
PMID: 12041603
Source
Medline
License
Unknown

Abstract

The development of Haplorchis taichui was studied in sixteen mice, Mus musculus. Metacercarial cysts of H. taichui were obtained from the freshwater fish, Thynnichthys thynnoides, collected in Chiang Mai Province, north Thailand. Approximately 200 active metacercariae were orally introduced into each mouse. Two mice were randomly sacrificed and necropsied daily from day 2-9 postinfection (pi). Two peaks of increment in the length and width of worms were found at day 3 and 7 pi. H. taichui was rapid in maturation, similar to other minute intestinal flukes. Rudimentary sex organs were found at day 2 pi. Spermatozoa in a seminal receptacle, vitellaria and eggs were seen as early as 3 days pi. The number of eggs increased daily to approximately 50-60 eggs thereafter. Mice can serve as a suitable experimental definitive host for harvesting adult H. taichui, especially in 1-week pi.

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