Method for feeding and purifying freshwater fish before eating freshwater fish

Abstract

The invention discloses a method for feeding and purifying freshwater fish before eating the freshwater fish, which is applicable to the environmental-protection purification field for the later-period management of the feeding of the freshwater fish, and belongs to the technical field of the environmental protection purification of the food for human bodies. The method is characterized in that the freshwater fish which is already raised in a polluted water environment is transferred into a raising environment with a sewage treatment function to be fed in a short time through the environmental-protection treatment method, so that all harmful substances in the freshwater fish such as body waste, toxicity and residues of pesticides can be gradually removed in an ultrahigh oxygen water environment reaching a human direct-drinking water standard, and the freshwater fish can become aquatic product food which is healthy, delicious in meat, pollution-free and free from peculiar smell and fishy smell.

Description

Technical field: [0001] The invention relates to a freshwater fish breeding method, in particular to a freshwater fish breeding and purification treatment method before eating, which is suitable for environmental protection and purification occasions of post-production management of freshwater fish, and belongs to the technical field of environmental protection and purification of human food materials. Background technique: [0002] At present, with the rapid development of society and the lag of environmental protection work, the problem of water pollution is becoming more and more prominent! According to media investigation reports: the dead fish incidents of fish farming in ponds and reservoirs all over the country occur from time to time. In some areas, the water in the ponds was found to be black. The water in the ponds was not only unusable, but even hand washing would cause allergies. And the fresh fish that supplies on the market at present, has quite a large part a...

AI Technical Summary

Problems solved by technology

However, the water quality requirements for our food fish are still blank! We know that once people find food fish raised in that kind of polluted water environment! Must have greatly reduced appetite! Especially if you accidentally eat fish raised in polluted water, it will not only taste bad! Also exposes fish eaters to health hazards! It is urgent to solve the problem of reusing freshwater fish that have been raised in polluted water environment for environmental purification treatment! To ensure the safety of our human food! At present, there is no patent for this kind of treatment of freshwater fish pollution

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