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we have a 2000 gallon pond and have just purchased 11 new 4-6 inch japanese koi all at once all from same dealer. we put them all in the pond at once (the pond didn't have any other fish in it) about one week later one of the fish was isolating, not eating, and sort of floating at top of water. my dealer recommeded salt bath but he was too far gone. so we went over to his store and he was telling us his fish aren't doing so well either and he gave us chloramine T to treat our fish at home. in the meantime our platinum and gin rin are isolating a little bit and not eating much if anything. so i have been giving salt baths and afterward they zip around with the others then after a couple of hours they are back to isolation and kind of laying on bottom(but do swim away rapidly when walked up on.
the gin rin shows sign of some fin rot (fraying and some fin missing) so i called him today and he says he is suspecting he is infected with khv but doesn't have it confirmed yet. he says his fish are doing terrible.
now mine aren't terrible...but those two are not quite normal either.
our temps have been swinging so pond has been swinging between 58 to 68 degrees.
he told us to catch all of them(what a treat that was) and heat them up to 86 and keep them there for a week.
ph is 8.5
ammonia is 0
nitrite 0
so we have them heating. all of their gills look good and only a couple have just a little fin fraying and the gin rin with the half missing fin.
we had just completed 3 doses of chloramine T yesterday. they are inthe house heating up and well aerated.
so what do you think.
it doesn't sound like they are sick enough to have khv. do they!
he treats for flukes and such when he gets them that is why he really did't think that was the problem. so he tested for flukes. i've been thinking flukes because of the symptoms.
please give me some advise or insight. kind of confused
thanks
bc