The eggs become infectious within 6 hours. Females lay their eggs in the colon and the eggs leave the host on fecal pellets. The eggs become infectious after 6-7 days at room temperature. There are early reports that S. obvelata may occur in people. These reports have not been accurately confirmed.
Infection alters the humoral response to nonparasitic antigenetic stimuli.
Induction of lymphoma in antigenetically stimulated athymic mice. Beattie, G. M., S. M. Baird, J. S. Lipsick, R. A. Lannom, and N. O. Kaplan. Beattie, G.M., S. Baird, R. Lannom, S. Slimmer, F.C. Jensen, and N.O. Kaplan. Flynn, R. J. 1973. Nematodes, in Parasites of Laboratory Animals, p 203-320.