A kind of Penaeus Vannmei feed additive special
Technical field
The present invention relates to a kind of used for aquiculture feed addictive, particularly a kind of South America prawn feed additive special.
Background technology
Penaeus Vannmei (Litopenaeus vannamei) belongs to Penaeidae, one of three large kinds that formal name used at school Environment of Litopenaeus vannamei Low ,Shi world shrimps in culture output is the highest.Penaeus Vannmei is individual large, and the thin body of shell is fertile, and dressing percentage is up to more than 65%, Fresh & Tender in Texture, delicious flavour, and rich in protein, is welcome by deeply domestic and international market, has very high economic worth; Fast growth, can reach the specification of listing in 60 days; Nutritional need is low, resistance against diseases is strong, suitable salt scope wide (0 ~ 45%), can adopt the multiple breeding way such as pure fresh water, brackish water and seawater, from natural marine site to freshwater, all can grow, there is no region limitation, also have high temperature resistant, the advantage that premunition is strong, is the light foster fine quality of extra large shrimp, is very potential shrimps in culture.Based on These characteristics, the pillar industry of propagating extensive ,Shi China sea-farming very artificially of Penaeus Vannmei.Penaeus Vannmei, except the good growing environment of needs, scientific management, also needs feed balanced in nutrition, and due to the deterioration of breeding environment, cultivation density is more and more higher in recent years, causes Penaeus Vannmei easily ill, poor growth; And due to defects such as existing litopenaeus vannamei compound feed Food & Nutrition Department are balanced, attractant is poor, and not good at water stability, be also unfavorable for that Penaeus Vannmei ingests fast and effectively, further aggravated poor growth, premunition is weak and survival rate is low.Disease problem is to hinder the 'bottleneck' restrictions of culture of Penaeus vannamei industry sustainable development all the time, particularly along with the fast development of culture of Penaeus vannamei and the raising of intensive culture degree, and adopt man-made feeds to feed, in breeding process, often occur the phenomenon of extensive fulminant epidemic disease and large quantities of death, and tradition be take the pest control method that antibiotic and chemicals be Main Means and cannot be satisfied the demands.Its reason is, a large amount of antibiotic and chemicalses of using, cause pathogen to develop immunity to drugs on the one hand, and prevention effect declines, and cost accounting significantly improves; On the other hand, due to the existence of medicament residue, directly affect the consumer group's healthy and public security.Therefore, existing penaeus vannamei boone feed is difficult to meet the instructions for use of South America prawn, is unfavorable for health, the sustainable development of raising southern American white prawn industry.
Therefore, strengthen the research to Penaeus Vannmei prevention from suffering from the diseases technology, become one of key technology of the current culture of Penaeus vannamei industry sound development of China.Chinese medicine medical science belongs to the traditional medicine of China, strengthens the immunity function of aquatic livestock by the use of Chinese herbal medicine, and the incidence of disease that reduces aquatic livestock becomes study hotspot in recent years.Chinese herbal medicine is as medicine or the feed addictive of disease prevention and cure, is particularly useful for that current aquatic products industry is intensive, the needs of large-scale production, is convenient to carry out colony's control of high-density breeding Penaeus Vannmei disease.Chinese herbal medicine have residual less, the pathogenic bacteria advantage such as be difficult for developing immunity to drugs, its effect not only has direct inhibition and killing action for pathogenic microorganisms itself, the more important thing is the object-immunity system of feeding is adjusted, improve immunity function and the anti-stress ability of feeding animals, medicinal herb components is made into feed addictive, for preventing and treating the culture of Penaeus vannamei disease control criterion that easily disease of appearance meets the nuisanceless aquatic products industry of development completely, produces green aquatic product.In addition, in Chinese herbal medicine, the Chinese has multiple nutritional components and bioactivator, selects suitable herbal variety can also play the technique effect of the growth of promotion Penaeus Vannmei and raising prawn quality.
Summary of the invention
For solving the problem existing in existing culture of Penaeus vannamei, the present invention aims to provide a kind of Penaeus Vannmei feed additive special, it selects multiple natural Chinese medicinal herb components compatibility to form, it can improve the immunity of Penaeus Vannmei on the one hand, the generation of disease in control breeding process, can also promote the growth of Penaeus Vannmei on the other hand, improve the quality of Penaeus Vannmei under high-density breeding condition; It also can avoid antibiotic abuse simultaneously, is conducive to the sound development of culture fishery.
For addressing the above problem, the present invention adopts following technological means:
A Penaeus Vannmei feed additive special, is characterized in that, by the raw material of following weight portion, is made: purple perilla 5-10 part, Chinese honey locust 5-8 part, rascal 5-7 part, cassia twig 2-4 part, anise 2-3 part, root of herbaceous peony 3-7 part, 0.02 part of vitamin C, 0.001 part of vitamin K, carrier 20-25 part.
Wherein said carrier is one or both the combination in corn protein powder, rice bran, wheat bran, medical stone, zeolite powder, is preferably zeolite powder and corn protein powder by the combination of 1:1.
Preferably, by the raw material of following weight portion, made: 8 parts of purple perillas, 5 parts, Chinese honey locust, 6 parts, rascal, 3 parts of cassia twig, 3 parts of anises, 6 parts of the root of herbaceous peonys, 0.02 part of vitamin C, 0.001 part of vitamin K, 25 parts, carrier.
All right, preferably, by the raw material of following weight portion, made: 6 parts of purple perillas, 7 parts, Chinese honey locust, 7 parts, rascal, 4 parts of cassia twig, 2 parts of anises, 5 parts of the root of herbaceous peonys, 0.02 part of vitamin C, 0.001 part of vitamin K, 22 parts, carrier.
The preparation method of Penaeus Vannmei feed additive special of the present invention is: take by weight each raw material, first six kinds of Chinese medicines such as taken purple perilla, Chinese honey locust, rascal, cassia twig, anise, the root of herbaceous peony mixed and be crushed to 40-60 order, then pulverizing is obtained to herb powder and mix with taken vitamin C, K and carrier, after stirring, pack and get final product.
Penaeus Vannmei feed additive special of the present invention is used in mixed feed by 0.5 ~ 1.2% the conventional prawn that is added into, can be for the raising of Penaeus Vannmei, it can reduce the generation of disease in breeding process effectively, improve the survival rate of Penaeus Vannmei, promote the growth of Penaeus Vannmei.
Penaeus Vannmei feed additive special tool of the present invention has the following advantages and beneficial effect:
According to the growth characteristic of Penaeus Vannmei, easy ill disease and the custom of searching for food, Penaeus Vannmei feed additive special of the present invention has mainly been selected natural, safe medicinal herb components, follow the preparation principle of " monarch ", kind and the optimum amount of Chinese herbal medicine through repetition test and checking, have finally been determined, make wherein Synergistic between various traditional Chinese medicine ingredients, mutually promote, reached fabulous growth promotion, the technique effect of immune, the pre-disease prevention of raising.Wherein selected purple perilla, has another name called red Soviet Union, and wherein contained purple perilla is with having very strong antisepsis, and its infusion has good inhibitory action to staphylococcus, shigella dysenteriae, Escherichia coli in vitro; Chinese honey locust, has another name called Chinese honey locust, wherein contains abundant saponins, inhibited to gram negative pathogenic bacteria, and its infusion also has inhibitory action to some dermatophyte; Rascal, has another name called rascal, dried green orange peel, has soothing the liver relieving stagnant Qi, the loose stagnant effect of long-pendingization, wherein contained hesperetin has very strong antiinflammatory action, and toxicity is low, and itself and vitamin C, K share, can play the effect of Synergistic, greatly improve the resistance of prawn to virus, courses of infection; Cassia twig, has another name called Liu Gui, and it contains cassia twig alcohol, volatilization wet goods multiple antipathogenic composition, and Escherichia coli, hay bacillus and staphylococcus aureus are had to inhibitory action, inhibited for common influenza virus, orphan virus; Anise, its extract all has good inhibitory action to gram-positive bacteria, negative bacterium and fungi, in feed a small amount of add anise not only can insect protected but also can promote digesting and assimilating of animal; The root of herbaceous peony has the astringe yin of nourishing blood and calm, antibacterial action, and it can improve the immunity of prawn effectively.Mutually collaborative between said herbal medicine, jointly promote, reached the technique effect that improves immunity, improving growth.
Adopt Penaeus Vannmei feed additive special of the present invention can improve significantly the economic benefit of culture of Penaeus vannamei, it can significantly reduce the generation of disease in culture of Penaeus vannamei process, survival rate improves 19 ~ 22%, promotes the growth of Penaeus Vannmei, and can improve prawn quality.And cost of material used in the present invention is all lower, production and use cost are all relatively low, are conducive to cost-saving.
The specific embodiment
embodiment 1: a kind of Penaeus Vannmei feed additive special, by the raw material of following weight portion, made: 8 parts of purple perillas, 5 parts, Chinese honey locust, 6 parts, rascal, 3 parts of cassia twig, 3 parts of anises, 6 parts of the root of herbaceous peonys, 0.02 part of vitamin C, 0.001 part of vitamin K, 25 parts, carrier.Preparation method is: take by weight each raw material, first six kinds of Chinese medicines such as taken purple perilla, Chinese honey locust, rascal, cassia twig, anise, the root of herbaceous peony mixed and be crushed to about 40-60 order, then pulverizing is obtained to herb powder and mix with taken vitamin C, K and carrier, after stirring, pack and get final product.
embodiment 2: a kind of Penaeus Vannmei feed additive special, by the raw material of following weight portion, made: 6 parts of purple perillas, 7 parts, Chinese honey locust, 7 parts, rascal, 4 parts of cassia twig, 2 parts of anises, 5 parts of the root of herbaceous peonys, 0.02 part of vitamin C, 0.001 part of vitamin K, 22 parts, carrier.Preparation method is: take by weight each raw material, first six kinds of Chinese medicines such as taken purple perilla, Chinese honey locust, rascal, cassia twig, anise, the root of herbaceous peony mixed and be crushed to about 40-60 order, then pulverizing is obtained to herb powder and mix with taken vitamin C, K and carrier, after stirring, pack and get final product.
embodiment 3: aquaculture test
At Zhoushan Of Zhejiang Province aquaculture base, the Penaeus Vannmei of choosing seawater cage culture is subjects, choose 10 net cages as this subjects, prawn quantity in each net cage is basic identical, cultivation density after conversion is 60,000 tail/mus (high-density breeding), and the same a collection of shrimp seedling for contemporaneity is put in a suitable place to breed, adopts identical aquaculture model to manage.Wherein organize 1 for control group, in the production process of mixed feed, add 1% corn protein powder; Group 2-3 is experimental group, adds the Penaeus Vannmei feed additive special of 1% embodiment 1,2 in the production process of mixed feed; Group 4-5 is contrast test group, in the production process of mixed feed, add the feed addictive of 1% comparative experimental example 1,2, cultivation during from the long 3cm of body left and right, cultivate 35 days, growing state in the average survival rate of record cultivation, final average body length and breeding process, concrete outcome sees the following form 1:
table 1: Penaeus Vannmei growing state table
A. contrast experiment's example 1: a kind of feed addictive, by the composition of following parts by weight, made: 4 parts of purple perillas, 7 parts, Chinese honey locust, 1 part, rascal, 2 parts of cassia twig, 3 parts of anises, 6 parts of the root of herbaceous peonys, 25 parts, carrier.Preparation method is with embodiment 1.
B. comparative experimental example 2: a kind of feed addictive, is grouped into by the one-tenth of following parts by weight: 6 parts of purple perillas, 7 parts, Chinese honey locust, 4 parts of cassia twig, 0.02 part of vitamin C, 0.001 part of vitamin K, 22 parts, carrier.Preparation method is with embodiment 1.
By above detoxification result of the test, shown, Penaeus Vannmei feed additive special involved in the present invention can prevent the generation of germ in culture of Penaeus vannamei process, virus infections illness effectively, its dominant mechanism is to suppress the growth of pathogenic bacteria in water, improve the resistance of shrimp seedling to pathogenic bacteria simultaneously, and also find in the process of feeding, for the shrimp seedling at susceptible initial stage, throw something and feed and be added with the mixed feed of Penaeus Vannmei feed additive special of the present invention, it can play certain therapeutic action.And feed after Penaeus Vannmei feed additive special of the present invention, the immunocompetence of Penaeus Vannmei increases, and has improved the survival rate of Penaeus Vannmei.And in the situation that other conditions are identical, the speed of growth tool of the Penaeus Vannmei that is added with feed addictive of the present invention of feeding has greatly improved, individual average body aobvious contrast and the contrast test group of being greater than kept burning day and night.
In large-scale cultivation field, the ground breeding process such as Ningbo of Zhejiang, Jinjiang, Fujian Province, Guangdong, Penaeus Vannmei feed additive special of the present invention has also been obtained similar effect simultaneously, and the culture benefit in every mu of waters has improved 21.5% left and right.
Raw material of the present invention all can be bought from the market.Disclosed is above only specific embodiments of the invention, but the present invention is not limited thereto, and the changes that any person skilled in the art can think of, within all should dropping on protection scope of the present invention.