Safeguard BlockThe cattle dewormer block is indicated for the removal and control of lungworms, stomach worms, barberpole worm, brown stomach worm and a variety of others. This cattle dewormer can treat up to 8 mature cattle. It blocks for 3 days only as the sole source of salt. Adequate forage must be available at all times to cattle receiving supplemental block feeding. Cattle worming medicine targets small stomach worm, intestinal worms such as hookworm, thread