I am noticing that my doeling may be developing a fish tail. Is this what that looks like? So copper deficiency. I figured I would have to deal with this. So will copper bolusing be in order?

My goats are always copper deffecient. They are completely black and turn a rust color and then I give them a copper plus and it goes away. Right now they have really nice black coats with no rust color at all. However their tails are looking a little bit like fishtails. I figured it was just...