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  • Title: [Test of the vitality and infectiousness of the beef tapeworm (Cysticercus bovis)].
    Author: Engelbrecht H.
    Journal: Angew Parasitol; 1983 Nov; 24(4):200-5. PubMed ID: 6666869.
    Abstract:
    The vitality and infectiosity of Cysticercus bovis can be determined by means of a relatively simple in vitro method. Mobility and evagination are 2 parameters for estimating vitality as well as infectiosity. The mobility-evagination-relationship (MER) is an excellent basis for investigating the mobility over 20 h, because 2 parameters are involved. Of special interest was the fact that the first part of MER (after 1 h) is the period for the short-time-test (control of vitality), and the second part of MER (after 18 to 20 h) is the period for the long-time-test (control of infectiosity). Mobility and evagination of metacestodes were tested in activator solution (100 ml physiological saline + 6 ml fresh swine bile) at a temperature of 38 degrees C and a pH of 7.0. This in vitro method may be useful in determining the vitality of fresh and older Cysticercus bovis and of those exposed to smoking.
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