Agrilabs Prohibit Soluble Drench Powder 52g is a powerful, broad-spectrum anthelmintic livestock drench. Prohibit will protect your cattle and sheep from stomach worms, intestinal worms and lungworms. A water-soluble powder, this drench is easy to transport or store around the farm when not in use. Kick worms to the curb with Agrilabs Prohibit Soluble Drench Powder.