A Broad Spectrum Single Active ‘Mectin’ Oral Anthelmintic, Controls Large Strongyles, Small Strongyles, Ascarids (Including Adult And Immature), Pinworms, Hairworms, Lungworms, Bots, Intestinal Threadworms, Neck Threadworms And Large Mouth Stomach Worms & A Complete Syringe Treats A 600 Kg Body Weight Horse