Harkers 4 in 1 Tablets are a single tablet treatment for coccidiosis, canker, worms, and external parasites (lice and mites) in racing pigeons. Treat parent stock before breeding, and again before racing, and young birds after weaning – do not treat birds less than 8 weeks of age. As a preventative measure it is advisable to treat every 6-8 weeks, or whenever signs of infection are seen. Now available in a 50 tablet pack.
