Shrimp waste turned into feed additive
The shrimp head, shrimp shell and shrimp tail which were removed from the processing of the Chinese white prawn in the process of processing were turned into treasure, which is a new agricultural technology that has achieved good application results in the new area.
It is understood that the large amount of chitin contained in the shrimp, shrimp shells and shrimp tails is an important raw material for the extraction and preparation of oligomeric chitosan. Chitin is extracted by fermentation and enzymatic engineering techniques, and then chitosan is obtained by chemical deacetylation. After oxidation of chitosan hydrogen peroxide, oligochitosan is prepared. At present, the project has achieved good breeding effects in the feeding trials of shrimp and broilers, and the Ministry of Agriculture has also included it in the list of feed additives.
At present, using this processing and extraction technology, Tianjin Heinard Animal Pharmaceutical Co., Ltd. has produced 6.5 tons of oligomeric chitosan, which is used as an additive to feed production enterprises, and has produced 16950 tons of various livestock and aquatic feeds. It has brought in new economic benefits of 754,000 yuan for the company.
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