Tofu residue feed fish "four not suitable"

The bean curd residue contains abundant nutrients such as crude protein, crude fat, etc. It is a good feed for the cultivation of fry and fingerlings. However, tofu scum feeding fish should also pay attention to the following points: 1. Should not be directly fed. Tofu contains an anti-trypsin, which can hinder the digestion and absorption of protein by trypsin in fish. Therefore, before boiling, the bean curd residue is heated and boiled for 15 minutes to destroy the antitrypsin, thereby making full use of the protein in the feed. 2. It is not suitable for long-term feeding alone. Although the rubbish residue is rich in crude protein and crude fat, it has no nitrogen extracts, vitamins, and low levels of calcium and phosphorus. Therefore, when using the rubbish residue to feed fish, be sure to use appropriate amounts of other nutrients and feed ingredients. Feeding herbivorous fish should be accompanied by green grass such as grass and fresh leaves. 3. Should not feed too much. The appropriate amount of feed is: fresh slag in the diet is controlled at 25%-30% and dry slag is below 10%. If too much, it will cause fish indigestion and other symptoms. 4. It is not appropriate to feed the bean curd that spoils. Severely deteriorated bean curd residue containing aflatoxin, etc., can easily cause fish poisoning and should be prohibited from use.

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