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But per this type of research the only foods which can SIGNIFICANTLY impact the HEALTH of adult fish is foods which have less than 30% protein or more than 50% grains and starches in them.

So slight differences are noticed in fish fed chitin. For instance some fish digest chitin and some fish don’t digest chitin.

Since even a 1% slower growth rate is significant for the low profit margin world of fish farming, there have been many things found which impact the growth rate of fish. Pterophyllum scalare Red Devil AngelfishĪs the basis for the thousands of studies which make up the basis for these books, many fish are fed a given food for their lifetime and the progress of the fish charted. These books all referenced thousands of various research papers. “Nutrition & Feeding of Fishes”, Raghunath, 2012.“The Physiology of Tropical Fishes”, Val, et.“The Physiology of Fishes”, Evans, Claiborne 2006.“Environmental Biology of Fishes”, Jobling 1999.“The Biology of Fish Growth”, Weatherly, Gill 1987.“Introduction to the General Principles of Aquaculture”, Ackefors et.“Fish Nutrition and Feed Technology: A Teaching Manual”, Felix, 2012.“Nutrient Requirements of Warmwater Fishes”, Wittwer, et.“Practical Manual on Fish Nutrition and Feed Technology”, Jain, 2018.

“Tilapias, Biology and Exploitation”, K.

“Fish Nutrition and Feed Technology”, Garg, 2018.

This article reviewed many research books on fish nutrition: Whole books have been written on the subject. This method has been used for many years in hundreds of millions of dollars of research in commercial aquaculture of fish such as tilapia, trout and salmon. To establish that a food is bad for the fish there is a scientific method that is followed. ALL these foods are fine to feed ALL tropical fish The well meaning but ill-informed individuals on social media have decided the following foods are never to be fed to tropical fish or to only be fed occasionally: This is a very long and boring article which will only be of interest to the real nerds, like the author is.