Ammo Allwormer is a broad-spectrum horse wormer that protects against roundworm, tapeworm and bots as well as preventing skin lesions caused by biting external parasites. Ammo is an ideal rotational wormer to prevent the build up for worm resistance. Ammo Allwormer treats tapeworm, strongyles, small strongyles, pinworm, hairworm, neck threadworm, bots, lungworm, intestinal threadworm and large mouthed stomach worms Directions Use every 6-8 weeks from 6 weeks of age Size 32.5g Ingredients Abermectin and Morantel Tartrate Life Stage Suitable for horses and ponies over 6 weeks of age