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 instead of causing the dusting of white spots. Biopsy is important. Carp Pox and certain cancers cannot be differentiated by pathologists … Read more

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 is beautiful, and sought after for it’s highly strained color varieties. Koi health and disease is essentially a balancing act or … Read more

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 Koi and pond fish for livestock destroyed in their SVC eradication program. http://drjohnson.com/wp-content/uploads/2019/10/APHIS_SVC-IndemnityMovement-FinalRuleSVC.pdf

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 damage has occurred to mouth or fin, and sometimes on the body* (Almost exactly like Carp Pox). The lesions are warty, … Read more