Blackfish is not the dirtiest fish in the world, and neither is catfish. Although there is a rumor circulating on the internet that "catfish is the dirtiest fish in the world". In fact, catfish are omnivores, and their main diet consists of aquatic insects and organic debris, but they also eat animal feces, small fish and rodents. But in aquaculture, animal manure is a cheap, non-toxic natural fertilizer that is fine as long as it is handled formally.

Catfish are able to survive in dirty environments, but that doesn't mean they "love to live in dirty water". If the water is particularly bad, the catfish will not grow well, will be poisoned, and even died, the farm will never do "pollute the fish pond" this kind of loss of money. From the data, the vast majority of regular breeding, regular water in the catfish does not exist in the heavy metals and other safety issues, is safe to eat.

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In addition, in our country, blackfish is a common edible fish, individual large, fast-growing, high economic value. Blackfish has few bone spines, high meat content, and is nutritious, containing more protein than chicken or beef.

Blackfish as a medicinal use with the removal of blood stasis and new, nourishing and tonic effects, eating blackfish has a muscle tonic blood, to promote the healing of wounds, has a very rich nutritional value. In addition, blackfish meat contains protein, fat, 18 kinds of amino acids, but also contains essential calcium, phosphorus, iron and a variety of vitamins.

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