Prawn Chinese herbal medicine feed additive and preparation method thereof

Abstract

The invention relates to a prawn Chinese herbal medicine feed additive and a preparation method of the feed additive. The prawn Chinese herbal medicine feed additive is characterized by comprising a material component A and a material component B, wherein the material component A comprises the components based on parts by weight: 8-10 parts of malt, 5-6 parts of medicated leaven, 5-6 parts of Chinese magnoliavine fruit, 5-6 parts of dangshen, 5-6 parts of rhizoma dioscoreae, 4-5 parts of hawthorns, 4-5 parts of pericarpium citri reticulatae and 50-70 parts of water, and the material component B comprises the components based on parts by weight: 14-15 parts of shrimp shell powder, 10-12 parts of peanut bran powder, 5-6 parts of tea seed cake powder, 10-12 parts of squid paste and 60-75 parts of water. The preparation method comprises the steps of: 1) mixing the components of the material component A, grinding the mixture into powder, and then adding 50-70 parts of water into the powder to prepare liquid A; 2) mixing and evenly stirring the components of the material component B to prepare liquid B; and 3) evenly mixing 1 part by weight of liquid A and 1 part by weight of liquid B, adding 0.001-00015 part by weight of papain with activity unit of more than 500000 u into the mixed solution, stirring at the constant temperature and then taking out liquid to form the finished product of the prawn Chinese herbal medicine feed additive. The prawn Chinese herbal medicine feed additive is capable of improving the body immunity and the disease resistance of prawns and increasing the survival rate of the prawns, especially has good disease-resistant effect for intestinal diseases such as hunger-pains, clay-coledstool and the like of shrimps, and has recovery effect for the intestinal mucosa injury.

Description

technical field

[0001] The invention relates to an aquatic feed additive, in particular to a Chinese herbal medicine feed additive for prawns and a preparation method thereof. The invention belongs to the technical field of feed preparation and additives. Background technique

[0002] my country is a big country in prawn farming. In 2010, the total output of prawn farming in the country was 1.348 million tons, and in 2011 it reached 1.56 million tons, accounting for nearly 40% of the world's total aquaculture output. With the expansion of the scale of prawn farming, it will have a greater impact on the aquaculture water environment, resulting in more diseases during the aquaculture process. In recent years, many digestive diseases such as shrimp empty stomach and white stool have appeared in many aquaculture areas. No effective method has been found so far. The coping method will bring greater economic loss to shrimp farming. For this kind of disease, the shrimp farming in...