Isolation of Strongyloides venezuelensis from Rattus norvegicus in Kagoshima Prefecture. 1994

N Taira, and M Hirooka, and H Saeki
First Research Division, National Institute of Animal Health, Ibaraki, Japan.

On 30 August 1984, Strongyloides sp. specimens were isolated from a rat (Rattus norvegicus) trapped at a pig farm in Kiire-cho, Ibusuki-gun, Kagoshima Prefecture. Both anterior and posterior ovaries of parasitic female were spirally coiled. The means of body length and width, esophagus length, and the distances from mouth to vulva and from anus to tail end were 2,493, 34.5, 719.8, 1,682.8 and 54.4 microns respectively. Filariform larvae measured 544.2, 15.6 and 238.5 microns in the means of body length and width, and esophagus length respectively. These measurements of the present Strongyloides species agreed with those described for S. venezuelensis. Infection rate by oral administration of larvae was low, while subcutaneous inoculation and percutaneous exposure to larvae produced high infection rate to rats which discharged many egg in the feces. The present parasite has been passaged through rats (SD strain) in these 8 years. This isolate is designated as the Kagoshima strain of S. venezuelensis.

UI MeSH Term Description Entries
D007421 Intestine, Small The portion of the GASTROINTESTINAL TRACT between the PYLORUS of the STOMACH and the ILEOCECAL VALVE of the LARGE INTESTINE. It is divisible into three portions: the DUODENUM, the JEJUNUM, and the ILEUM. Small Intestine,Intestines, Small,Small Intestines
D007814 Larva Wormlike or grublike stage, following the egg in the life cycle of insects, worms, and other metamorphosing animals. Maggots,Tadpoles,Larvae,Maggot,Tadpole
D010053 Ovary The reproductive organ (GONADS) in female animals. In vertebrates, the ovary contains two functional parts: the OVARIAN FOLLICLE for the production of female germ cells (OOGENESIS); and the endocrine cells (GRANULOSA CELLS; THECA CELLS; and LUTEAL CELLS) for the production of ESTROGENS and PROGESTERONE. Ovaries
D005260 Female Females
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013321 Strongyloides A genus of parasitic nematodes widely distributed as intestinal parasites of mammals. Strongyloide
D051381 Rats The common name for the genus Rattus. Rattus,Rats, Laboratory,Rats, Norway,Rattus norvegicus,Laboratory Rat,Laboratory Rats,Norway Rat,Norway Rats,Rat,Rat, Laboratory,Rat, Norway,norvegicus, Rattus

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