Review/Oorsig Volume 22, Issue 02 | Page 23

Volume 22 • Issue 02 • 2018 registration trail correlate with findings of other studies using this antigen vaccine combination (H-gal-GP and H11) (Le Jambre et al. 2008). Field studies conducted over 11 months under natural grazing were conducted in South Africa and gave similar protection levels to what was found here (Smith et al. 2001). This H-gal-GP, H-11 containing vaccine was registered in 2014 in Australia and is marketed commercially as Barbervax®. In South Africa, the registration for Wirevax® was obtained in November 2016. Wirevax was launched to a small group of sheep farmers with known worm resistance problems in their flocks. The results seen are comparable with the studies mentioned