How to feed Koi and Goldfish, including winter feeding, what how and when to feed Koi.
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FEED YOUR KOI
To read about different food and learn about resources to find the best ones, please visit Koinutrition.com
FEEDING KOI IN WINTER - COLD WATER FEEDING OF KOI
Feeding in cold water

Fish will feel 'hungry' in cold water, even down to the mid forties however the enzymes needed for the digestion of most Koi food will be lacking. The fish will eat, sometimes fully, and then languor in the cold water as their metabolism slogs the food through. In very cold water, fish simply don't eat. If the food is going to be processed by "cold" fish with impaired metabolism, it has made sense to most people to offer foods which are easily and quickly digestible and which contain minimal residue to stall the gut. Over the years, soluble plant proteins like wheat germ were found to be effective, and so were Cheerios. Fish love Cheerios, especially the Honey Nut Cheerios. Try it, you will see they go for the darker, tastier(?) Honey Nut Cheerios over the plain ones. And they can tell when you buy generic Cheerios. But it's okay.

The point of Cheerios is that they supply some useful energy, with minimal nitrogen to strain a cold biological filtration system, and the fish like 'em. A lot. In my own pond, I've noticed that Cheerios are sort of fattening when offered with regular food year round, so if you want to put some weight on a big female fish, especially through her face, give her some Cheerios with her regular diet through the year.

In cold water I recommend that you:

1. Reduce feeding drastically in water under 70 but above 64 Fahrenheit. Feed sparingly once per day or every other day. Watch for elevations in Ammonia because of a stalled bio filtration.

2. Feed Cheerios once, every other day in water under 64 but above 53 DF.

3. Stop feeding when water temps are consistently under 55 - 53 DF

4. Resume feeding Cheerios in the Spring when water temps are consistently at or above 55 - 53 DF
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Dealers


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.

KOI ALBUMS

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

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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
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