Browsing South African National Veterinary Repository by Author "Schwan, Ernst Volker"

Browsing South African National Veterinary Repository by Author "Schwan, Ernst Volker"

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  • Bile enhances the infectivity of third stage larvae of Dictyocaulus filaria 
    Titoy, G.A.P.; Schwan, Ernst Volker; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1994)
    Incubating metacyclic larvae of Dictyocaulus filaria in ovine bile solution prior to per os infection significantly enhanced their infectivity to sheep.
  • Cryopreservation of sheathed third-stage larvae of Gaigeria pachyscelis (Sandveld hookworm) 
    Titoy, G.A.P.; Schwan, Ernst Volker; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1995)
    A technique for the cryopreservation of third stage larvae of Gaigeria pachyscelis is described. It consists of incubating sheathed third-stage larvae in 80% (v/v) ethylene glycol as a cryoprotectant for 30 s at 0°C, prior ...