I don't think the toe is infected, it was just cut off from blood for so long it has died, it almost looks like someone tied a piece of thread around the toe half way down since it is fine half way and then the toe is really thin (like if you tied a thread tightly around it) and then just black...
I have 3 Jap Coturnix which are 3 weeks old. One of them recently had a problem with its foot/toe because it had stood in droppings which had dried and constricted its toe (my fault for not cleaning them out more often, will be sure to do it alot more often in future).
Managed to get the...