The fish deformed is not from the food. It is the tank water and environment like too small pond or shallow, poor water quality and etc. None of mine deformed except one rescued already little deormed one. Warm weather make their metabolism up and hungry fast. Feed them actually healthy for them.Feed them staple and color food help but some mutt always be a mutt (depend on blood line and quality when you first get them, and how you keep)
That is very very true. What I meant by deformed looking was an overly swollen belly like the fish always looked pregnant. I spoke with one of the koi food manufacturers and they were explaining to me that some of the cheaper "grow" foods use a few fillers that "bloat" the fish and that's why most grow goods leave your fish looking fat up front instead of a more normal smooth transition in girth along its body.
He also said feeding grow foods during the winter speeds up this bloat look because of the metabolism being so slow.
Back then o never even new about all the different foods for each season and all that. I had only ever seen food for growth and food for color. So now beings I'm lazy I got an all season food like staple. All fish look great and color is amazing. They are not growing as fast as my old ones did but I'm in no rush either and am happy with the growth rate/color/shape of them now.
Years ago had no idea there was so much to pond/koi keeping "almost" as much technical stuff as a saltwater tank of you really pay attention to everything in a pond like: parameters, light exposure, gravel vs bare, fish selection, natural foods, algae control, food selection, etc.
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