Catfish after all dirty? Must oppugn some not to rely on chart view! The article tells you the answer in light of
Jiangxi man angles catfish of infrequent gold yellow opens system glittering and translucent get rid of appears occurrence probability 1/1000000
Circulating all the time on the net first " catfish, the dirtiest fish on the world, must not eat again! " card, the post says to there are a large number of rubbishes in a pound of some city, periphery is surrounding gallinaceous circle and piggery, pig dung, chicken dung and all round the excrement and urine that breeds a toilet eduction is discharged into pound, effluvial and tangy, and what move in water middle reaches is catfish. Is catfish so dirty? After eating, have to human body without harm?
Catfish after all dirty
1, appearance feature
Catfish, on the mouth in all 4 beard, grow on short, carnivorous sex, it is more feral, not tall to water quality requirement, can breed artificially. Grow rate is rapidder, certain breed can grow very big. Big mouth catfish, appearance and catfish are similar, also be 4 beards, but the mouth is strange big, individual also relatively catfish is a lot of bigger. Can breed artificially, grow rate is rapid, the fry that breeds in those days can grow 750 grams of 500 ～ in those days, can grow 2000 grams of 1500 ～ the 2nd year, can grow 4000 grams of 3000 ～ the 3rd year. What sell on the market is this kind of catfish more, the flesh is qualitative relatively common, low-cost.
2, life characteristics
Catfish is polyphagia animal, it is organic and aquatic insect, drossy that its main food includes wait, also have small fish, rat kind content waiting for work, be in even be on short commons when still can have congener body. because catfish feeding habits is miscellaneous, vitality is very so strong, can live in contaminative water system. Below the sewage environment that a few have gallinaceous dung, pig dung, catfish can live.
And, in aquiculture course of study, animal excrement and urine also is a kind of cheap, avirulent natural fertilizer, it provided many nourishment for the plankton in water, so, a lot of breed a metropolis to wait for dung of chicken, pig to be fed as feed feed.
Nevertheless, in producing a course actually, mucky at one's convenience contains many helminth and pathogenic bacteria, cannot enter a pond to use with falling directly, can affect the health of fish and safety. So, before use, need is done ferment processing, with exterminating helminth and pathogenic bacteria thoroughly, resolve the macromolecule albumen in excrement and urine the young member protein that is used easily and nutrient matter.
As to other liquid waste and rubbish, also do not allow to pour a farm directly, do the health that can affect piscine put oneself in another's position greatly so, influence crop, normal farm is the business that won't do this kind of be out of pocket.
3, catfish is the dirtiest, be without associated conclusion
Because catfish also can live in water of excrement and urine, a lot of people feel catfish is very dirty. Be?
Above all, it is certain to when breeding, animal excrement and urine is used and do not mean catfish very dirty. If you because feel catfish is very dirty this, can then you buy the vegetable of employ farmhouse fertilizer in food market? So called still dish of organic, farmhouse! Want to know, kind the farmhouse on the ground is vegetable, the farmer can fertilize to it during cultivate, use the animal excrement and urine such as gallinaceous dung, pig dung.
Next, because catfish can live to reach in sewage " very dirty, love is in catfish the life in sewage " conclusion, unscientific also. If can such inference, then I also can say: Does Beijing air environment differ = Peking Man to like mist haze? Beijing people expresses very get hurt.
Actual condition is, catfish can bear contaminative water quality really, but they do not like in that way environment. And, catfish also has limit to environmental tolerance. If water quality is poor, it is difficult that catfish breeds not only, and also grow poorly. If water system is too dirty really, contain poisonous and harmful material, catfish still is met toxic, die even.
4, nutrient analysis
The doctor of traditional Chinese medicine thinks, sex of catfish flavour pleasant is lukewarm, have this world of the beneficial in filling, benefit pee, the effect such as cure oedema. Catfish contains moisture content in cruelly oppress of every 100 grams 14.4 grams of 64.1 grams, protein, contain a variety of mineral with microelement, suit the person edible with weak empty caustic, hidebound body particularly.
The roe that divides catfish has miscellaneous taste beyond unfavorable edible, it is treasure all over, catfish is rare nutrient beautiful is tasted, there is account early in history, can rival with photograph of fim, feral soft-shelled turtle, for the curiosa in the fish. Other fish place does not have its dietotherapy action and officinal value, unique strong strong character and lengthen life action is the window that it has alone. Catfish contains rich nutrition like other fish not only, and the flesh is qualitative delicate, contained protein and adipose more, caustic of weak to body empty, hidebound person has better dietotherapy effect. Catfish is to urge lacteal beautiful to taste, method of treating yin deficiency by reinforcing body fluid and nourishing the blood raises action of the blood, gas in filling, appetizing, diuretic, it is a woman postpartum dietotherapy is nourishing choose food surely.
The nutrient value of catfish is very tall, it is good to should breed an environment only, edible is problem of it doesn't matter.
