The economic benefits of citric acid residue as a feed retarder for aquaculture

The term “citric acid slag” is familiar to everyone. Whether it is for industrial applications or animal husbandry, it is known that industrial citric acid residue is a kind of chemical sediment when food industry uses lime to make citric acid. The amount of products is basically the same. He can be used as a cement retarder instead of gypsum, but the citric acid slag often used in animal husbandry is not such a substance. What kind of use is it? How is it made? I think everyone is very interested in it. Next I will lead you together to find out!

The citric acid residue used in the feed is generally corn citric acid residue and cassava citric acid residue.

I. Corn citric acid residue

Corn citric acid residue is a by-product of the production of citric acid by enzyme fermentation of corn. After separation and extraction, the fermentation broth is dried by an advanced air drying process. The product is rich in lutein, yellow in color, and can be colored in feed. The role, coupled with a rich fragrance, good palatability, easy to digest; in addition to high protein and energy, can be used as a good animal feed ingredients to replace corn, bran, thereby reducing feed costs.

Second, cassava citric acid residue cassava lemon

The citric acid residue is produced by fermenting the residue (mainly containing cellulose, starch, etc.) produced by cassava extracting starch with Baiyuebao EM stock solution. When used with appropriate protein feeds and trace elements, it can reduce feed costs and improve economic efficiency.


Production process: 0.5kg brown sugar water in 70 °C hot water to dissolve - add appropriate amount of clean cold water - water temperature modulation around 30 °C - add 0.5kg Baiyibao EM solution - stirring and stand for 3h - then add Diluted with clean water at 30°C - to make the bacteria solution reach 17-20kg - mix the diluted broth with 100kg cassava residue - packed in a pool or cylinder - the plastic film covers the cylinder opening - above Add a layer of textile bags to protect the plastic film - rope tightly. Fermentation is 3-5 days in summer and 10-15 days in winter. Generally, when cassava citric acid residue has sweet alcohol scent, it can be used to feed animals. Cassava citric acid residue is rich in various digestive enzymes, vitamins and amino acids, improves feed utilization, prevents bacterial diarrhea in piglets, and reduces fecal odors. The above is what we want to know about citric acid

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