Treat and prevent coccidiosis, canker, worms and ectoparasites (lice and mites) Treat parent stock being breeding and again before racing. Do not treat birds of less than 8 weeks old. Advisable to treat every 6-8 week or at sign of infection. 25 Tablets in a pack. Contains Diclazuril 2.5mg, Ronidazole 20.0mg and lvermectin 0.5mg.