Chinese herbal medicine feed additive capable of controlling diseases and promoting growth for penaeus vannamei and preparation method of additive

Abstract

The invention discloses a Chinese herbal medicine feed additive capable of controlling diseases and promoting growth for penaeus vannamei and a preparation method of the additive. The feed additive is a compound Chinese herbal medicine feed additive capable of increasing the growth rate of the penaeus vannamei and improving the nonspecific immunity of the penaeus vannamei and is prepared from chrysanthemum flower powder, asplenium powder, seaweed powder, mulberry leaf powder, buds of Japanese pagoda trees, common yam rhizomes, lotus seed cores, perilla frutescens, lotus leaves, moringa oleifera, panax notoginseng, herba houttuyniae, rhizoma imperatae, fructus schizandrae, Chinese galls, honeysuckle flowers, cortex phellodendri, radix scutellariae, milkvetch roots, radix angelicae sinensis, radix codonopsis and radix isatidis. The preparation method comprises the steps that all the raw materials are weighed according to the weight percent in the formula; all the materials are crushed, mixed to be uniform and then crushed through an ultrafine grinder, screening is conducted through a 100-150-mesh sieve, and a finished feed additive product is obtained. The additive with the weight accounting for 1%-3% of the total weight of complete formula feed for the penaeus vannamei is added into the feed and used for increasing the growth rate of the penaeus vannamei and improving the nonspecific immunity of the penaeus vannamei. The feed additive is green, environmentally friendly, capable of being used for large-scale industrial production and not generating drug resistance, safe, efficient and nontoxic.

Description

technical field [0001] The invention belongs to the technical field of aquatic feed additives, relates to feed additives, in particular to a Chinese herbal medicine feed additive for Penaeus vannamei for disease prevention and growth promotion and a preparation method thereof. Background technique [0002] Penaeus vannamei, also known as Litopenaeus vannamei, is a crustacean. It is widely eaten by people because of its rich nutrition, soft meat and easy digestion. Due to the depletion of marine fishery resources, people's demand for fish and shrimp is increasingly dependent on artificial Therefore, the worldwide shrimp farming industry is developing rapidly; currently, the annual output of Litopenaeus vannamei cultured in China is nearly 1.3 million tons, and the feed consumption is about 1.5 million tons; with the rapid development of shrimp farming and high-density intensive farming With the improvement of the level and the use of artificial feed, large-scale outbreaks of ...

AI Technical Summary

Problems solved by technology

[0002] Penaeus vannamei, also known as Litopenaeus vannamei, is a crustacean. It is widely eaten by people because of its rich nutrition, soft meat and easy digestion. Due to the depletion of marine fishery resources, people's demand for fish and shrimp is increasingly dependent on artificial Therefore, the worldwide shrimp farming industry is developing rapidly; currently, the annual output of Litopenaeus vannamei cultured in China is nearly 1.3 million tons, and the feed consumption is about 1.5 million tons; with the rapid development of shrimp farming and high-density intensive farming With the improvement of the level and the use of artificial feed, large-scale outbreaks of epidemics and mass deaths often occur in the breeding process, and the disease problem has become a bottleneck restricting shrimp farming; in order to solve the stress caused by environmental factors in the shrimp farming process and disease outbreaks. Traditional disease control methods mostly use antibiotics and chemical drugs as the main means. However, the disadvantages of this method are becoming more and more obvious. Because of the extensive use of antibiotics and chemical drugs, the drug ingredients will be directly ingested or absorbed into the body by prawns. And it is distributed to various organs and tissues along with the blood circulation, which weakens the immunity of prawns, induces drug resistance of pathogens, poor control effect, and high control cost; in addition, due to the residues of these chemical drugs and antibiotics, it will directly affect people's health. Physical health and environmental safety have restricted the export competitiveness of Penaeus vannamei aquatic products. In summary, the extensive use of antibiotics and chemical drugs has brought more and more negative impacts on the Penaeus vannamei aquaculture industry.

[0003] Traditional Chinese herbal medicines in my country have the advantages of wide drug sources, low cost, convenient processing, no drug resistance, less drug residues, less side effects, and rich resources. Chinese herbal medicine additives not only contain rich nutrients, but also some active ingredients can improve the palatability of feed , increase the food intake of fish and shrimp, and improve the utilization rate of feed; it has become a development trend to use compound Chinese herbal medicine as a feed additive to improve the disease resistance and anti-stress response of shrimp. There are not many studies on this aspect, and there is no Chinese herbal medicine feed additive for promoting growth, preventing disease and anti-stress for Penaeus vannamei. Therefore, it is urgent to improve the application technology of Chinese herbal medicine additives for shrimp feed, and develop a green, environmentally friendly and efficient South American feed additive. Chinese herbal compound formula for promoting growth and preventing diseases of Penaeus vannamei to meet the needs of Penaeus vannamei farming

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