We’ve only had our Kune Kune boars break skin, but the sows get a little feisty sometimes too. We treat any open wound with yarrow, plantain and calendula. Yarrow by itself works great and you most likely can find tons of it right around you. It has antibacterial properties and helps stop bleeding. Plantain has more of pulling action. Great for venomous stings and infections. Calendula is great for repair, healing and overall wellbeing of skin.