For the past couple of months my male rabbit Tommy has had a bit of a issue with his fur at first i thought he was having a bad moult but then his skin started to get a bit flaky so i thought i would treat him with a ivermec spot on, a week or so after i used that he seemed to have a bit of a reaction to it and the area where i had put it had become really flaky and greasy so last week i thought id give him a shampoo to see if this would help it did for a day or two but now its back to the same again the fur around his back end is really loose he has no bald patches but the fur comes out really easily do you think this could be mites? x