See this is another example of people over reacting and NOT thinking. The problem of Chytrid is not because of people raising and keeping amphibians. The fungus is present every world in the world and has been probably for centuries.
John if you would like I wrote scientific review article over Batrachochytrium dendrobatidis. It's long, but I assure you I did an excellent job on it and have a full page of around 15-20 references that I used. Let me know, because maybe it could be posted under a link or something.