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Viruses

Koi and Goldfish and KHV Cross Contamination

Dr Johnson, I got your address from my friend Jason who you recently helped with a pecan nut problem. I may or may not have a KHV problem. If I can give you the...

CASE: Carp Pox and Flukes Resolved With Heat

CARP POX Note: Carp Pox should be differentiated from other viral and non viral eruptions with a microscope. In very cold water, there are strains of Ich which will coalesce into large gel-like globs...

Heating Koi With KHV Koi Herpes Virus

When confronted by KHV, you can expect high mortalities. In other words, a realistic expectation would be that more than fifty percent of your fish are going to end up perishing. Should that scare...

Common Questions After KHV Outbreak

Here’s why I’m sure that Heat denatures and eliminates the Koi Herpes Virus. The Israelis wanted an “immune” fish. So they infected the Koi and then when they were symptomatic, they heated them to...

Koi Herpes Virus KHV Cured or Treated?

Koi Herpes Virus KHV Cured or Treated This article is dedicated to my personal friends, Brenda and Charlie Atwell, whose pond contracted KHV and was essentially wiped out, after re-introducing some fish which were...

Koi Herpes Virus (KHV) Symptoms in Outbreak Dialogue

What if two smart people got together to clarify some points of public concern regarding Koi Herpes Virus? Well that’s what happened and we got a lot of information out there. Of course new...

KHV and SVC Virus Survival & Stability Outside the Fish

A fomite is an inanimate object. The object, functioning as a fomite spreads a disease. For example, the common cold is spread on doorknobs among other things. The doorknob is a fomite. The question...

Koi Herpes Virus – Disease Course

It’s not ‘all the time’ that someone documents a KHV outbreak this thoroughly. I’m moticing things like the onset of disease, the source of the fish, the commencement of heating the fish to 82+...

KHV Koi Herpes Virus Versus Spring Viremia of Carp

Overview: Koi are generally hardy fish. They’re descended from the common carp and are tough, essentially omnivorous fish with the ability to withstand a range of living conditions. As an ornamental specimen, the Koi...

APHIS To Indemnify Damages for SVC to Breeders or Sellers

APHIS To Indemnify Damages for SVC to Breeders or Sellers, APHIS has released the following document that identifies the circumstances that they will, although unfunded and unable to pay, remunerate breeders and sellers of...

Lymphocystis Virus in Koi and Ornamental Fish

Lymphocystis – by Doc Johnson Of all the viruses affecting Koi, the fifth most common is LYMPHOCYSTIS. This is a viral pathogen that is poorly transmissible between your specimens. It strikes fish when some...