Hi there, my friend has Taiwan chickens and some of his roosters have this weird cut/blister thing. It’s only happening to the roosters and not the hens. The first one that had this thing on its leg died because he couldn’t walk on it and ended up not eating, now there’s a second one. I’ve posted a picture of the most recent one that’s occurred and the second picture is of the one that died (the purple stuff is some medicine) Does anyone know what this is? (There’s no sharp objects where they are and the roosters are separated from one another, they can only see each other so it’s not from a fight)