With its proactive dual drench technology, it's the first new class of drench to be released in combination to "Protect", "Prolong" and "Progress"
It's such a great sheep drench
1. Zoetis Data on File
2. Leathwick DM. Modelling the benefits of a new class of anthelmintic in combination. Vet Parasitol 2012; 186: 93–100.
3. Overall efficacy – GM, Zoetis Data on File