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- Dec 28, 2016
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FYI - here is her reply: Without doing some experiments testing the 2 ppm dose, I couldn't say. I just know that chloroquine worked back then. But let me ask my colleagues if there has been any further developments with either drug more recently. So perhaps here is some benefit to asking questions...SO - @4FordFamily and @HotRocks @Humblefish and anyone else interested. I got a response from the ONLY researcher that found Resistant velvet (to copper) - here is her response - and my follow-up question (and IMHO it is quite interesting):
- Hi - I saw you did a presentation/poster back in 2001 - Copper Resistant Amyloodininosis and Possible Immunosuppression in Marine Fish — RuthEllen Klinger, Ruth Francis-Floyd and Allen Riggs, University of Florida, Gainesville, FL, USA;
Was wondering if you could summarize the findings - was copper resistance found - and do you know the mechanism. I couldnt find any other information about it. - The reason im asking - I'm on a reef aquarium forum where someone has reported copper resistant amyloodinium - and I was curious as to whether it actually existed. Yours was the only reference. Thanks
Ruthellen Klinger-Bowen to you
1 day ago
Hello. wow! digging up the back recesses of my mind here! If I remember correctly, it was referring to several retail aquariums we were helping during that time. Basically the copper treatments for Amyloodinium were not working (along with UV). Fish would just get sicker and die. Only chloroquin worked at 10 mg/L prolonged bath. So yes we did find copper resistance but don't know the mechanism. Copper has complex chemistry in salt water from what I remember. But I haven't worked on it since.
13 minutes ago
Thanks so much for the answer - in your opinion (dated though it may be (JK) - would you think that if (fairly clearly - copper at 1.75 ppm did not work - is it likely that 2 ppm would work - or would you change to chloroquine. Thanks again