tapeworms

A group of wild Rocky Mountain bighorns have very bad tapeworms in my area.  We are trying to find a sheep salt wormer protein block to set in areas where these sheep winter in hopes they will want the salt and minerals.  These sheep are using domestic salt blocks so should also use any salt...

does anyone know of wormer that will get rid of tapeworms too? i know ivomec wont get rid of them and havent found any wormer yet that will