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Koi pond and water garden information, pet information, pet care and Koi and Goldfish care from the nation's leading Koi health veterinarian.
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Koivet is a venerable, long lived koi and pond fish health site started by Dr Erik Johnson in 1994 as an off shoot of his first few websites at Mindspring.com. Now Koivet is full of information and movies and more.

Koi Beginner
Once you've leapfrogged through this tutorial you will have a solid, working concept of the Koi hobby and what it's all about. This is done just about exclusively with video and very little written material.

DrJohnson.com
More than koi health, this site spans all things animal, by a real veterinarian who shoots you straight.

Fishdoc.co.uk
By Frank Prince-Iles. A UK authority who put this site together some time ago and which is still relied upon as a major source of good Koi and pond fish information

Fish Medicines
Learn about fish medicines, what they do, and where to get them.

PondCrisis.com
If you have a koi, pond or fish problem, this site takes you through twenty easy questions and at the end you know what you need to fix in your pond to create restored Koi health.

KoiCrisis.com
Koi Crisis has a symptoms chart by system you can choose the symptom by fish part, and resolve a lot of Koi pond fish problems or at least, learn about them understand how to remedy them.

Buying Domestic Koi
What does "Domestic" koi mean? Why would you buy that kind? How do you pick good and healthy ones? Who sells them and where do you find the best ones?

Buying Imported Koi
A Japanese or Israeli imported Koi is a beautiful thing. Why would you buy one of those? How do you identify a "good one"? And what kinds are there? Who would you buy one from?

Koi Filtration - Bead
With a little bit of management every week or so, you can have gin clear water in your koi or fish pond. Bead filtration is more than ten years old and defines the state of the art in Koi and pond fish ponds.

Koi Filtration - Natural
Requiring no weekly management but one big yearly overhaul, natural filtration is the easiest there is. Relying on live plants and organic processes, water quality is usually superb. Described and common mistakes illustrated, visit this site!

Koi Food & Feeding
What should you feed your koi? How many times per day? Is Corn really that bad in a Koi diet? What are the most common feeding mistakes people make? What's the best food?

Koi and Pond Hard Goods
So many places these days, are pure ripoffs. Finding a reputable dealer of koi and pond hard goods isn't as easy as you would think but there's ways to tell. The product line should be to-the-point and not contain shams. Who's doing it right? Visit this site!

Finding Reputable Dealers
The fish are only as good as the dealer holding them. Quarantines, guarantees and fish quality all factor in. What to ask, what to see and how to handle your new fish.

Books on Koi Diseases
You will be introduced to Dr Johnson's Koi Health book but also to other books he's reviewed.

Help With Koi Problems
Koi Community rates a variety of forums and message boards on ease of use, friendliness and quality of help. Not all boards are created equal. Not mincing words here.
Koi Ulcer Disease - Bacterial Aeromonas Furunculosis

Bacterial Infections

Also: Finrot, mouthrot, body sores.

Ulcer Disease is almost always caused by Aeromonas bacteria or more rarely Pseudomonas bacteria. Clinically, I wouldn't know which because I rarely culture the pathogen. Why not? Because the results could take a week to return, and by that time, all the affected specimens would be dead. I have treated ulcer disease with the following drugs: Enrofloxacin, Chloramphenicol, Gentamicin, Amikacin, Tetracycline, and recently, Azactam. I inject these drugs.

No discussion of this problem would be complete without reference to swabbing techniques, antibiotic enriched feeds, injection technique, and prognosis. Provided elsewhere are drug dosing information, etc, needed to enhance your understanding of this disease.

Suffice it to say, that to save these fish, my core recommendations would be to get the fish into a heated environment, provide impeccable water quality, swab the wounds with Iodine or Mercurachrome, Feed MediKoi feed, inject Enrofloxacin and or Chloramphenicol, and hope that the next spring that the fish does not bloat due to retention of latent bacteria in the kidney after clinical cure.

Flukes are the most common carrier and cause of ulcer Disease.

Use Healthwise and Pondwise to discover the Ulcer Disease treatment recommendations and to help figure out what happened in the pond to create the sores, finrot or mouthrot.

Click here for pages and pages more, on this subject and many others...

Learn More

Did this article seem sort of brief, or overly simple? If so, you might like reading over the pages at Koivet.com - Koivet.com provides detailed, up to date Koi and Goldfish Health & Disease information with complete treatments and instructions revealed.

You really should visit KoiCrisis.com and PondCrisis.com - These two sites offer you the following, respectivly:

KoiCrisis will help you find out what's wrong with your fish and recommends treatments.

PondCrisis will help you assess your pond or tank, while educating on the Top Twenty Causes of Fish Diseases.

NOTE: 
If you need fish medicines fast, and you want professional results with clear instructions, you should consider finding your way to PondRx.com or Fishmeds.com

What You Should Know About Water Quality:
What You Should Know About Parasites

What You Should Know About Medications
Links You Should Use.

What You Should Know About Bacterial Infections

Welcome to Fishbug.com !

We offer this search engine to help you search the entirety of the DrJohnson.net Network. Sites ranging from Petlibrary to KoiBeginner.com - you can find what you need to know!
Site Sponsor
Koivet.com
Koivet is a venerable, long lived koi and pond fish health site started by Dr Erik Johnson in 1994 as an off shoot of his first few websites at Mindspring.com. Now Koivet is full of information and movies and more.

Koi Beginner
Once you've leapfrogged through this tutorial you will have a solid, working concept of the Koi hobby and what it's all about. This is done just about exclusively with video and very little written material.

DrJohnson.com
More than koi health, this site spans all things animal, by a real veterinarian who shoots you straight.

Fishdoc.co.uk
By Frank Prince-Iles. A UK authority who put this site together some time ago and which is still relied upon as a major source of good Koi and pond fish information

Fish Medicines
Learn about fish medicines, what they do, and where to get them.

PondCrisis.com
If you have a koi, pond or fish problem, this site takes you through twenty easy questions and at the end you know what you need to fix in your pond to create restored Koi health.

KoiCrisis.com
Koi Crisis has a symptoms chart by system you can choose the symptom by fish part, and resolve a lot of Koi pond fish problems or at least, learn about them understand how to remedy them.

Buying Domestic Koi
What does "Domestic" koi mean? Why would you buy that kind? How do you pick good and healthy ones? Who sells them and where do you find the best ones?

Buying Imported Koi
A Japanese or Israeli imported Koi is a beautiful thing. Why would you buy one of those? How do you identify a "good one"? And what kinds are there? Who would you buy one from?

Koi Filtration - Bead
With a little bit of management every week or so, you can have gin clear water in your koi or fish pond. Bead filtration is more than ten years old and defines the state of the art in Koi and pond fish ponds.

Koi Filtration - Natural
Requiring no weekly management but one big yearly overhaul, natural filtration is the easiest there is. Relying on live plants and organic processes, water quality is usually superb. Described and common mistakes illustrated, visit this site!

Koi Food & Feeding
What should you feed your koi? How many times per day? Is Corn really that bad in a Koi diet? What are the most common feeding mistakes people make? What's the best food?

Koi and Pond Hard Goods
So many places these days, are pure ripoffs. Finding a reputable dealer of koi and pond hard goods isn't as easy as you would think but there's ways to tell. The product line should be to-the-point and not contain shams. Who's doing it right? Visit this site!

Finding Reputable Dealers
The fish are only as good as the dealer holding them. Quarantines, guarantees and fish quality all factor in. What to ask, what to see and how to handle your new fish.

Books on Koi Diseases
You will be introduced to Dr Johnson's Koi Health book but also to other books he's reviewed.

Help With Koi Problems
Koi Community rates a variety of forums and message boards on ease of use, friendliness and quality of help. Not all boards are created equal. Not mincing words here.
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