Production method of pseudosciaena crocea feed additive

Abstract

The invention discloses a production method of a pseudosciaena crocea feed additive, relating to a production method of a feed additive. The production method includes the steps of preparing a rhodotorula rubra culture solution firstly, homogenizing the rhodotorula rubra culture solution, adding 35% of maltodextrin, stirring for dissolving, spray-drying to produce solid powder, mixing the solid powder, dried shrimp meal and marigold powder in the ratio of 1:2:3 uniformly, and pelleting to obtain the finished product. The body color of pseudosciaena crocea can be increased after the pseudosciaena crocea takes in the feed additive, the commodity value of the pseudosciaena crocea is increased, the organism immunity of the pseudosciaena crocea also can be improved and the fish disease can be prevented.

Description

technical field [0001] The invention relates to a production method of a feed additive, in particular to a production method of a large yellow croaker feed additive. Background technique [0002] Large yellow croaker, also known as yellow croaker, has a flat and elongated body, golden yellow, slender tail peduncle, and small scales. The adult fish is 40-50 cm long. It is distributed in the southern Yellow Sea, the East China Sea and the South China Sea. Feeds on fish, shrimp, and plankton. Large yellow croaker is rich in protein, trace elements and vitamins, and has a good tonic effect on the human body. For the weak and middle-aged and elderly, eating large yellow croaker will receive a good therapeutic effect. In addition, the large yellow croaker has soft meat tissue, Therefore, it is easy for children to digest and absorb. Traditional Chinese medicine believes that large yellow croaker has the effects of invigorating the spleen and stomach, calming the nerves and stoppi...

AI Technical Summary

Problems solved by technology

Most of the large yellow croakers currently on the market are farmed in the sea, and the number of wild large yellow croakers that are more expensive is relatively small. A large number of shrimps and plankton rich in carotenoids have a brighter golden yellow body, while the cultured large yellow croaker has a lighter body color due to changes in feeding ingredients, which affects its commodity value

In order to make huge profits, some unscrupulous traders use lemon yellow pigment to dye farmed large yellow croakers, and sell them as wild large yellow croakers at a high price, which seriously harms the interests of consumers. Long-term consumption of this dyed large yellow croaker will also endanger human health.