• 11:57 am What Are The Perfect Conditions to Make or Keep Fish Healthy?
  • 11:55 am Old Dog Tremors – Is it Normal For My Dog’s Leg To Tremor?
  • 3:37 pm Necropsy Video
  • 1:35 pm Hand Sanitizer? No I Like Ethanol Spray Better
  • 1:16 pm Why I Don’t Like Gloves For Contagion-Containment-Avoidance
  • 11:54 am Praziquantel Doesn’t Work Anymore Against Flukes?

Subdirectory Content

There are 27 subdirectories in drjohnson.com, and here is what they contain.

Dementia in dogs.
What we know, how it looks, what they can do about it. Even some studies that show that nutrition may mitigate it. 

Fish Health Management 2002
This is the abridged Fish Health Management Course Manual from NCSU in 2002. Abridged meaning that material that was excluded by copyright limitations is already gone but there's TONS of good data in this. It's a read-online e-book for non-commercial consumption. 

Autoimmune Thrombocytopenia - Destruction of platelets in dogs. Exhaustive details in e-book form.

Appetite in dogs, what makes it 'tick' and things we can do to improve it. 

Blood Pressure in Veterinary Medicine`

Cancer Information

Dr Cherniske on DHEA

Cushing's Disease
The endogenous over production of Cortisol by the adrenal glands. Diagnosis and treatment. 

The DHEA Debate
Human details and data on DHEA use in humans for future reference.

The first DHEA book I put together with various research and articles. 

The second DHEA book I put together. 

A well written discussion of fluid therapy and its calculations, make up. 

Fly River Turtles
What is known, some pictures, and their breeding success. Did you know there's a platinum version?

Fecal Microbiota Transplant - The transfer of beneficial germs from one system to another and all that can do. 


Canine incontinence
What may cause it, the different types and some of the treatments. 

Details and downloads about my favorite dental exercise, the Knucklebone.

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Details on Oxyfresh which is a water additive. It cleans a dog or cat's mouth. Use it double-strength in distilled water for best results. 

Thirst in dogs. What to do and think and diagnose in crazy-thirsty dogs. 

Raw Diet 2019
In 2019 I researched and wrote 6 raw diets from scratch. I dug up AAFCO feeding wisdom, canine nutrient requirements, the amounts of these nutrients in the raw ingredients and then put it together with feeding rates and amounts. 

Reptile Parasites
Parasites of reptiles

20 Steps to Fish Health
My 20 steps e-Book you can read online. I wonder if it's downloadable?

Water Quality 2020
My presentation(s) for the seminar I gave on contemporary water quality considerations with a fresh, 2020 viewpoint. 

Wet Lab Seminar
Online resource for my 2020 Wet Lab. 

Wet Lab Seminar II
The second "version" (all different) of the seminar on lab technology. 

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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.