Author: Dr. Erik Johnson

Dr Erik Johnson is a Marietta, Georgia Veterinarian with a practice in small animal medicine. He graduated from University of Georgia with his Doctorate in 1991. Dr Johnson is the author of several texts on Koi and Pond Fish Health and Disease as well as numerous articles on dog and cat health topics.
17
Oct
2019

Cat Colds – Or Snuffles – FELINE VIRAL RESPIRATORY DISEASE

Often, the best combination of treatments I have found for Snuffles is short or long acting cortisone,…

17
Oct
2019

Waterchanges in Koi ponds, changing water in watergardens

Abstract: Changing water all the time, continuously, is easier than dump type water changes. It’s better for…

17
Oct
2019

Chilodonella infections, rapid mortalities from this freshwater parasite of Koi, pondfish and aquarium fish. 

Chilodonella infections, rapid mortalities from this freshwater parasite of Koi, pondfish and aquarium fish.  Cleared with salt…

17
Oct
2019

Necropsy in Koi Basic Steps and Handling For Samples

What’s here is a video about necropsy in koi, the Necropsy in Koi Basic Steps and Handling…

17
Oct
2019

Flukes or Trematodes Symptoms and Treatments in Koi and Pond Fish Aquaria

Flukes, also known as Trematodes are the most common almost ubiquitous parasite of Koi. And while Koi…

17
Oct
2019

Ich Diagnosis Symptoms and Treatments Images and Video

Ichthyophthirius “Ick” or “Ich” in Koi, Pond Fish and Aquaria also known as white spot, seen under…

17
Oct
2019

Video: Costia (Ichthyobodo necatrix) under the microscope

The following is a 12MB file so it might take a sec to download / appear. You…

17
Oct
2019

“Koi Health & Disease” Reload by Dr Erik Johnson

Folks ask me all the time, what’s new in the new book? If I already have the…

17
Oct
2019

Definitive Article on Canine Addison’s Disease

This article separates a couple kinds of Addison’s from the typical kind which has signs referrable to…

17
Oct
2019

Favorite Koi: Chagoi – (Chah’-goy)

Koi Type Chagoi – (Chah’-goy) We’ve been spending a few issues of Lifestyles looking at various kinds…

17
Oct
2019

The “Golden Rules of Fish Keeping”

The “Golden Rules of Fish Keeping” Quarantine ALL Your New Fish. You Can Never Have Too Much…