191 results about "Sargassum thunbergii" patented technology

The invention provides a method for large scale early bred fingerlings of northern sea area sargassum thunbergii, which is characterized in that, in the middle and last ten days of May, early matured sea surface rafting algae seedlings in south are chosen; the algae seedlings are transported to northern sea area after long-distance transportation; in an indoor seedling workshop, pretreatment and seedling collection are performed to algae seedlings; after the algae seedlings are cultured indoor for about ten days, rafting temporary rearing seedling emergence is carried out in sea, meanwhile standardized sea management is performed; after the marine cultivation of about two months, more than 4cm large sized robust sargassum thunbergii seedlings are obtained.

The invention discloses a lobster feed capable of purifying water and improving immunity. The lobster feed is prepared from the following raw materials in parts by weight: 3-5 parts of garlic, 1-3 parts of calcium dihydrogen phoshate, 2-3 parts of tender leaves of fennel, 4-6 parts of banana skin, 2-4 parts of villous amomrum fruit, 3-5 parts of cluster mallow fruit, 3-4 parts of sargassum thunbergii, 4-6 parts of dehydrated spinach, 2-4 parts of cinnamon, 6-8 parts of cuttleflsh bone, 5-8 parts of wheat middling, 20-30 parts of rapeseed dregs, 15-20 parts of meat and bone meal, 4-6 parts of stevioside and 6-10 parts of an assistant. The lobster feed disclosed by the invention is balanced in nutrient; due to addition of the rapeseed dregs, the meat and bone meal and the like, most of basic nutrients required by the lobster can be supplemented; the added stevioside is high in sweetness, and long in duration, and can play a good attractant effect; due to addition of villous amomrum fruit, the cluster mallow fruit and the like, the disease resistance of the lobster is further enhanced; and the survival rate of the lobster is increased.

The invention relates to flake-shaped feed for sea cucumber and a preparation method thereof. The ingredients in the feed and the ratios thereof are as follows: sargassum thunbergii dried powder 30%, fish meal 4.5%, fresh kelp 20%with 70% liquid water content, dusty yeast 5%, corn protein 8%, compound enzyme 0.5%, compound vitamin 1%, mineral salt 1%, water 10% and muddy sand 20% with grain diameter of about 100 micron. The preparation method comprises the steps of adding 50% water to the fresh kelp, grinding the kelp with water for 6-7 times through a stuff grinder, adding other ingredients for stirring uniformly after degumming, extruding the mixture of the kelp, the water and other ingredients through a bulking machine at a low temperature of 1-10 DEG C, slicing the mixture into 2mm thick, and drying. The feed in the invention can maintain the shape thereof for more than 24hr without shaping agent; the feed is 2mm thick so that the sea cucumber can easily get and eat the feed and feed consumption of 60% of powder feed is enough; the feed is rich in nutrition, thereby effectively improving the growth rate and the survival rate of the sea cucumber; water changing rate for the flake-shaped feed is only 50% of that for the powder feed, thus avoiding water pollution, reducing water consumption and curtailing production cost.

The present invention provides a complete artificial mixed feed for stichopus japonicus. Said feed composition includes (by weight portion) 60-30 portions of sargassum thunbergii powder, 15-25 portions of sea-verdure powder, 15-45 portions of degummed sea-tangle powder, 15-5 portions of spirulina princes powder, 10-5 portions of fermentation yeast, 0.6-0.2 portion of polyvitamin complex, 0.8-0.4 portion of compound mineral salt and 10-60 portions of dried dredge.

The invention relates to a sea cucumber mixed feed and a preparation method thereof, wherein the feed comprises, based on the weight percentage, urgassum thunbergii power 20 to 25 percent; sea mud 20 to 25 percent; sargassum 30 to 35 percent; oyster shells 5 to 6 percent; shrimp meal 2 to 3 percent; fish meal 2 to 3 percent; soybean meal 2 to 3 percent; kelp meal 4 to 5 percent; EM fungus powder 3 to 4 percent; and additional agents 1 to 2 percent; surgassum thunbergii power, sea mud, sargassum, oyster shells, shrimp meal, fish meal, soybean meal and kelp meal are smashed and are then treated by a 100-mesh screening. Smashed raw materials, EM fungus powder and additional agents are mixed in a mixing machine for 15 minutes. The obtained product is the sea cucumber compound feed put in the invention. Compared to the prior art, the invention has the advantages of strengthening the resistance ability to pathogen infection of sea cucumber, improving the growth rate and reducing the death rate or the like.

The invention discloses a method for preparing sea cucumber compound feed with additional Enteromorpha. In the method, sea cucumber compound feed is added and mixed with dry Enteromorpha powder to form the sea cucumber compound feed with additional Enteromorpha, the coefficient of variation of the obtained sea cucumber compound feed with additional Enteromorpha after being fully mixed is less than or equal to 10 percent, and the obtained sea cucumber compound feed with additional Enteromorpha are made into grains with a diameter of 3 millimeters by using 2 percent sodium alginate as a binder. The added dry Enteromorpha powder accounts for 30 percent of the weight of the sea cucumber compound feed with additional Enteromorpha. The sea cucumber compound feed with additional Enteromorpha comprises the following ingredients by weight percentage: 10 percent of fish meal, 5 percent of Sargassum thunbergii powder, 20 percent of vinasse, 15 percent of sea mud, 10 percent of bean pulp, 30 percent of Enteromorpha powder, 8 percent of bran, 1 percent of vitamin mix and 1 percent of inorganic slat mix. In the sea cucumber compound feed with additional Enteromorpha prepared by the formulation, the Enteromorpha powder used to replace kelp powder can reduce the cost of feed prepared by the conventional formulation (not using the Enteromorpha powder) and avoids influencing the growth of Apostichopus japonicus Selenka; and the survival rate of the Apostichopus japonicus Selenka is improved remarkably (P is less than 0.05).

The invention relates to a sea cucumber seedling culture method which adopts the following technical scheme: young seedling management: controlling the young seedling density at 0.5-1 / ml, feeding with ground Sargassum thunbergii Kuntze liquid, changing water everyday, controlling water temperature at 20-25DEG C, and cleaning the bottom every 2-3 days; young sea cucumber management: introducing the young seedlings into a seedling culture pond; taking a colorless and transparent polyethylene corrugated plate as an attaching base, keeping water temperature at 15-23DEG C, keeping illumination at 1500-2500lx, keeping salinity as 2.9-3.2%, keeping dissolved oxygen above 5mg / l, keeping the pH at 7.8-8.5, and controlling culture density at 0.5-1 head / cm<2>; improving water quality with a flowing method in the seedling culture pond; feeding with baits which take Sargassum thunbergii Kuntze powder, gulfweed powder, fish meal, saccharomycete, sea mud, immune polysaccharide and / or Hormidium flaecidum Br as the main ingredients; feeding with photosynthetic bacteria; purifying water quality; and removing seedling seed dirties. According to the method, the quality and the yield of the sea cucumber seedling culture can be improved.

The invention provides trepang bait and a preparation method thereof, which can solve the problems of the prior art that the trepang grows slowly, the bait is not easy to be absorbed by the trepang, so the yield is low. The adopted technical proposal is as follows: the trepang bait comprises the following components and weight percent thereof: 0.8 percent to 1.2 percent of krill powder, 0.18 percent to 0.22 percent of dried yeast powder, 3 percent to 5 percent of beer yeast, 0.8 percent to 1.2 percent of natural Sargassum thunbergii O.Kuntze powder, 2 percent to 3 percent of sea grape powder, 8 percent to 12 percent of degelatinized seaweed, 10 percent to 22 percent of mineral clay, 8 percent to 15 percent of immune stimulator, 0.8 percent to 1.2 percent of defatted fish flour, 1.5 percent to 2.5 percent of vegetable protein, 0.004 percent to 0.006 percent of Roche vitamin, and 50 percent to 60 percent of purified seawater. The trepang bait provided by the invention improves the integrated nutrient of the bait, and emulsification and grinding lead the absorbility of the trepang is better.

The invention discloses feed for promoting growth and development of broilers and a preparation method thereof. The feed is prepared from the following raw materials in parts by weight: 170-180 parts of dried sweet potato, 30-40 parts of corncob, 12-14 parts of dried distillers grain, 8-12 parts of red clover, 6-8 parts of egg-shell meal, 7-9 parts of sunflower meal, 10-15 parts of sargassum thunbergii, 5-7 parts of coconut shell flour, 4-5 parts of garlic powder, 15-20 parts of field-snail-meat, 20-30 parts of setosa immature stems, 16-18 parts of banana skin, 10-14 parts of ulva, 9-11 parts of kelp, 5-7 parts of chrysanthemum nankingense, 15-17 parts of water chestnut stems, 12-15 parts of coffee leaves, 2-3 parts of salt, 8-10 parts of Poria cocos, 7-9 parts of lycium barbarum, 3-5 parts of rhizoma curculiginis, 2-4 parts of isatis root, 1-3 parts of wahlenbergia marginata, 6-8 parts of fructus amomi, 0.5-0.7 part of choline chloride, 3-5 parts of medical stone powder and 7-9 parts of nutrition additives. The feed disclosed by the invention has the effects of regulating the metabolism of body cells, increasing the appetite of broilers, increasing the feed intake, improving the digestive absorption capacity and promoting growth and development, the weight of the broilers can be effectively increased, and the growth cycle of the broilers is shortened. Moreover, diseases of the broilers can be reduced, and the death rate of the broilers is reduced.

The invention relates to the feed field of aquiculture feed, and particularly relates to a high-efficiency formula feed for juvenile sea cucumbers. The high-efficiency formula feed for juvenile sea cucumbers is characterized by comprising a premix consisting of bean pulp, fish meal, shrimp meal, cuttlefish meal, scallop skirts, bubble algae, sea mustard, monocalcium phosphate, probiotics, marine rainbow meat, sargassum thunbergii Kuntze, choline chloride, shell powder, gulfweed and sea cucumber. The invention has the following advantages: (1) all raw materials of the formula feed have stable sources and rich nutrition ingredients and can meet the requirements on all nutrition needed by the growth of juvenile sea cucumbers; (2) with the balanced collocation of all kinds of ingredients, the feed is beneficial to the balanced digestion and absorption of the juvenile sea cucumbers and is beneficial to the growth and transformation, and the excretion contains fewer organic residues and has low influence to the bottom material; and (3) the immunity performance and the anti-stress capability of the juvenile sea cucumbers can be strengthened remarkably and the juvenile sea cucumbers have good vitality.

The invention discloses a sea cucumber microorganism fermented feed and a preparation method. The preparation method comprises the following steps of: doping a micro ecological preparation into a basic feed and performing solid fermentation, wherein the basic feed consists of the following comprises in percentage by mass: 25-35 percent of doederlein spikemoss herb meal, 5-15 percent of degummed kelp meal, 1-5 percent of sleeve-fish viscera meal, 5-10 percent of fish meal, 5-15 percent of sargassum thunbergii kuntze meal, 1-5 percent of zeolite powder, 5-10 percent of oyster shell whiting, 1-3percent of compound vitamins and mineral substances and 1-5 percent of compound enzyme preparation; and the using amount of the micro ecological preparation is 1-5 percent based on the mass of the basic feed. Due to the adoption of the feed, the requirements of normal nutrient substances and energy level on sea cucumber can be met, the digestibility rate of the sea cucumber and the utilization ratio of the feed are increased, a certain growing speed can be kept for the sea cucumber, the damage of residual bait on a cultivation water body is reduced under good ecological condition, and the useof antibiotics is avoided.

The invention discloses a breeding method of actinopyga miliaris, which is characterized in that: fishing the actinopyga miliaris which is big-sized, non-injury and mature-gonaded in natural sea areas as matrix; feeding the matrix with floating mud, sargassum thunbergii, pachyrhizus, egg yolk or artificial compound feed, culturing and maturing; obtaining germ cells by the method of artificially stimulating spawning and ejaculating at nights of natural spawning and ejaculating or non-moon; placing the germ cells in the incubating pond and incubating little ear shaped larva, pouring the larva into the culturing pool and fixing up the pool for the larva culture, putting marine yeast and spirulina powder in the pool for feed and replacing the water and charging the air of the culture water in time; after the ear shaped larva grow into juveniles, putting cultch in and feeding properly with benthic diatom, sargassum thunbergii grinded liquid, artificial compound feed or sea mud and replacing the culture water in combined manners of changing and moving water and reversing the pool; collecting and stocking the juveniles which reaches the standards. The method has reasonable technique and feasible operation. The juveniles of the actinopyga miliaris cultured by the method is qualified, healthy and non-disease.

The invention discloses a micro particle feed for cultivating juvenile sea cucumber and a preparation method thereof, wherein the micro particle feed for cultivating juvenile sea cucumber can completely meet the needs for various nutrients of the juvenile sea cucumber for growth and solves a biological bait shortage problem during artificial sea cucumber breeding. The micro particle feed comprises the following components in percentage by weight: 15 to 20 percent of fish meal, 5 to 10 percent of bean pulp, 20 to 50 percent of sargassum thunbergii powder, 10 to 15 percent of sea mud, 5 to 20 percent of marine algae powder, 5 to 10 percent of yeast and 0.5 to 1 percent of vitamin premix. The preparation method comprises: mixing the fish meal, the beam pulp, the sargassum thunbergii powder, the sea mud, the marine algae powder, the yeast and the vitamin premix; coating a film with carboxymethylcellulose and wheat gluten, wherein the mass ratio of the carboxymethylcellulose to the wheat gluten is 1:1-3; and drying the mixture under vacuum and crushing the mixture into particles with a particle size ranging from 100 to 500mum.

The present invention relates to seedlings raising technology for seaweed, especially relates to a artificial seedlings raising technology for rattailed algae, comprising breeding and gathering colza, discharging and fecundating of sperms and germ cell, gathering oosperms, cultivating sprout inside indoor, temporarily breeding sprout on the sea, after flatly breeding on a catamaran 30-40 days, could reach length of 2-3cm, density of 8-10 plants each centimeter. The present invention could obtain stable yield and could produce two crops a year.

The invention relates to the propagation of Sargassum thunbergii, in particular to a method for quickly propagating the Sargassum thunbergii by a method of main branch fragment tillering, which comprises the following steps: 1) alcohol with a volume concentration of 75 percent used by the main branch of the Sargassum thunbergii is adopted for dipping the main branch for 25 to 23 seconds; and then a plurality of disinfected seawater is adopted for quickly washing the main branch for 3 to 4 times; 2) the main branch of the Sargassum thunbergii strain is sheared into fragments with a length of 2 to 3cm; the fragments are arranged in a container to culture; universal ES seawater culture liquid is adopted as a medium for ventilation culturing; and when the tillers of the fragments can achieve 1.5 to 3.5cm, the fragments are taken out from the container and the tillers are cut off by a disinfected bistoury; and 3) the cut off tillers are continuously propagated and cultured by adopting the conditions in the step 2) or directly used for the large-scale gripping mariculture. The method is simple to be operated and low in cost; regenerated seedlings can be produced in a circularly; moreover, the method plays the remarkable role of protection on the natural environment.

The invention relates to an alga culturing method and a device. In order to quicken the growing speed of large alga seedlings and reducing the working load of culturing workers, the invention provides a large alga seedling indoor culturing method and a device, which is mainly characterized by shearing a rope-form attaching base containing the seedlings of large alga like Sargassum thunbergii or gracilaria alga of 0.2 to 0.3mm into a plurality of small pieces about 0.5 to 0.8mm and throwing the small pieces into a light transmission container which is provided with a culturing liquid with a suitable growing temperature thereof with enough illumination; the culturing liquid enters from the lower part of the container, passes through a filter screen at the upper part of the container and then flows out from a water outlet tube; air is fed into the container, divided into a plurality of small air bladders by air dispersing stones and is exhausted out of the container by an air outlet; and the shearing pieces turn over, drift and circulate in the culturing liquid under the effect of the small air bladders. After 25 days, the seedlings grow to more than 10mm, then water and air supply are stopped and the upper cover of the container is opened for taking out the grown seedlings.

The invention relates to a seedling collecting method and early breeding method of sargassum thunbergii, and belongs to the field of seaweed artificial breeding. By means of the seedling collecting method and early breeding method of sargassum thunbergii, the phenomena that in the seedling collecting process in the prior art, the diffusing efficiency of seed seedlings is low, and using of seed seedlings is waste are avoided. The seedling collecting method specially includes the five steps of seed seedling collecting, seed seedling pretreating, seedling collecting pond laying, seedling collecting and early breeding. Due to drying-in-the-shade treatment and seedling-collecting-condition accurate controlling, accurate seedling collecting is achieved, and meanwhile the diffusing efficiency of seed seedlings can be greatly improved; meanwhile, the breeding efficiency of sargassum thunbergii is greatly improved by controlling the early breeding condition, and the seedling collecting method and early breeding method are quite suitable for applying and popularizing in the field of sargassum-thunbergii artificial breeding.

The invention provides a stichopus japonicus puffing feed added with enteromorpha prolifera, and a preparation method of the feed, belonging to the technology of preparation of the stichopus japonicus puffing feed. The stichopus japonicus puffing feed is prepared by adding enteromorpha prolifera dry powder. The stichopus japonicus puffing feed comprises the following ingredients in percent by mass: 4-8% of defatted fishmeal, 6-10% of cerevisiae fermentum, 15-25% of enteromorpha prolifera powder, 25-35% of seaweed meal, 5-7% of sea mud, 16-20% of strong flour, 5-7% of soybean meal, 3-5% of fish oil, 1% of vitamin complex and 1% of compound microelement; and in addition, 2-4% of zeolite powder and 0.5% of probiotics can be added. The stichopus japonicus puffing feed is prepared by adopting the puffing process, is high in nutrition digestibility and low in feed coefficient, and is reduced in the incidence of digestive tract diseases of intestines and stomach, remarkably enhanced in the survival rate of the stichopus japonicus, promoted in the rapid growth of the stichopus japonicus; and by adopting the enteromorpha prolifera powder to replace sargassum thunbergii powder, gulfweed powder, and the like, the feed has rich raw materials and is low in cost.

The invention relates to manual compound feed for a sea cucumber when the sea cucumber or an apostichopus japonica is cultured in a net cage. The feed comprises components of raw materials in parts by mass as follows: 5-10 parts of sargassum thunbergii, 20-30 parts of sargassum, 5-10 parts of white fish meal, 10-20 parts of scallop skirt powder, 5-10 parts of shrimp shell meal, 5-10 parts of fermented bean meal, 20-25 parts of kelp meal, 1-2 parts of refined fish oil, 0.2-0.5 part of compound vitamin and 0.2-0.5 part of a compound trace element. The raw materials are weighed proportionally and mixed to be uniform, coarse powder is ground, the materials obtained by grinding the coarse powder are subjected to superfine grinding to 80 meshes and then bonded and extruded to form platy feed, and the feed is packed after dried. The feed can meet requirements of ingestion and nutrient of the sea cucumber under the culture condition of the net cage, and can increase the growing speed of the sea cucumber cultured in the net cage; compared with an ordinary feeding manner, the weight gain rate is improved by 78.8%; and the feed waste can be reduced, the utilization rate of the feed is improved, and the pollution of residual bait to cultivation sea water is reduced.

The invention relates to a compound culturing system in a shrimp pool, in particular to a compound space culturing method for large varech in the shrimp pool; Sargassum thunbergii is cultured on the surface layer of the water body of the shrimp pool; gardon asparagus and / or gulfweed are cultured in the middle layer of the water body; Zosteraceae is transplanted in the bottom layer of the water body; and the surface layer of water body refers to the location of 0 to 30cm under water surface and the bottom layer of water body refers to the location of 50 to 150cm below the water surface. The method fully utilizes the limited space in the shrimp pool, not only has remarkable economic benefits, but also plays remarkable role of improvement on the environment of the shrimp pool.

The invention relates to a Chinese herbal medicine compound bait, as well as a preparation method and application of the Chinese herbal medicine compound bait. The Chinese herbal medicine compound bait comprises the following Chinese herbal medicine components by weight percent: 20-30% of radix pseudostellariae, 5-10% of cordyceps sinensis, 10-15% of lycium chinense, 10-15% of clove, 10-15% of honeysuckle, 10-15% of radix bupleuri, 5-10% of liquorice, 5-10% of radix astragali, 1-5% of poria cocos and 1-5% of borneol; and the Chinese herbal medicine compound bait comprises the following basic bait components by weight percent: 30-35% of sea mud, 10-15% of kelp meal, 4-6% of shell powder, 10-15% of sargassum thunbergii powder, 0.5-1% of spiral seaweed, 3-5% of fish meal, 3-5% of vegetable protein, 1-3% of shrimp meal, 2-3% of scallop skirt, 0.6-0.8% of yeast tablets, 2-2.2% of composite mineral salt and 1.8-2% of multivitamin. The Chinese herbal medicine components are mixed into the basic bait components according to the ratio of 2-5%, and the mixture has the particle size of 250-300 meshes. The Chinese herbal medicine compound bait provided by the invention is capable of obviously increasing the weight gain rate and survival rate of stichopus japonicus, reducing the splanchnic ratio, and improving the immunity of the stichopus japonicus; and the Chinese herbal medicine compound bait is free from toxic and side effects, can be used for remarkably improving the 'skin ulceration syndrome' resistance of the stichopus japonicus and has the advantages of reducing the food coefficient as well as NH3-N content and chemical oxygen demand (COD) content in aquaculture water, and the like, thus having good guiding significance for increasing the yield of stichopus japonicus aquaculture and the prevention and treatment of diseases.

The invention provides a novel stichopus japonicus fry breeding method which includes: controlling seeding density to 0.5-1 / ml, changing water everyday, controlling water temperature at 20-25 DEG C, and cleaning bottom every 2-3 days; moving the fries into a breeding pool; using a transparent polyethylene corrugated board as a substratum, and keeping water temperature at 15-23 DEG C, illumination at 500-1000lx, salinity at 29-32%, dissolved oxygen above 5mg / l, pH at 7.8-8.5, and breeding density at 0.5-1 / cm<2>; keeping water in the breeding pool to flow so as to improve water quality; feeding feed mainly made of sargassum thunbergii powder, sargasso powder, fish meal, yeast, sea mud, immune polysaccharides and / or steel wire algae; feeding photosynthetic bacteria to purify water quality; cleaning dirt. By the method, quality and yield of stichopus japonicus breeding are increased.

The invention relates to a pleurotus primary culture compound culture medium which contains potatoes, a supplementing carbon source, a supplementing nitrogen source, a vitamin and inorganic salts. The supplementing carbon source is polysaccharide of salvia, the supplementing nitrogen source is one of yeast powder, beef extract or peptone, the vitamin is VB6, and the inorganic salt contains potassium dihydrogen phosphate, magnesium sulfate and calcium chloride. By taking extract of polysaccharide of salvia as a delayed carbon source, a primary culture of the pleurotus edible mushroom is exuberant in growth, the mycelia are dense and thick and strong, uniform in growing, more in germinating point and short in growing period, so that the vitality of the culture is effectively guaranteed; growth on a secondary high-salt culture medium is facilitated, and a lot of manpower and material resources are saved for industrially artificial cultivation. According to the technical scheme provided by the invention, recycling of a sargassum thunbergii resource is facilitated, the cost is low, and industrial production on a large scale is facilitated.

The invention discloses a preparation method of a stichopus japonicus microorganism degumming kelp fermented feed. The preparation method comprises the steps: adding microecologics capable of degrading sodium alginate in kelp in a basal feed with the kelp as a main raw material and fermenting, wherein the basal feed comprises the following components in percent by weight: 45-55 percent of kelp meal, 5-15 percent of fish meal, 25-35 percent of sea mud, 5-10 percent of shell powder and 1-5 percent of decavitamin and mineral substances, and the amount of the microecologics is 1-5 percent of the weight of the basal feed. According to the feed disclosed by the invention, the digestibility and utilization rate of stichopus japonicus to the kelp can be remarkably increased, the nutrition and energy level required by the growth of the stichopus japonicus are met, the problem of deficiency of sargassum thunbergii resources of an excellent bait for the stichopus japonicus is effectively solved; and the feed has a raw material value-added function, and is low in cost. Under a better ecological condition, the feed is capable of reducing the damage of the residual bait to a culturing water body, promoting the immunity of the stichopus japonicus to a certain extent, and preventing antibiotics from being used.

The invention discloses a growth-promoting feed for lambs and a making method of the growth-promoting feed. The growth-promoting feed is prepared from the following raw materials in parts by weight: 250-300 parts of corn flour, 200-250 parts of wheat flour, 160-180 parts of fermented blood meal, 120-150 parts of fermentation composite, 70-80 parts of cushaw flowers, 20-30 parts of water spinach, 10-20 parts of hazelnut meal, 10-15 parts of honey, 1-2 parts of radix clematidis, -2 parts of herba schizonepetae, 2-3 parts of perilla nankinensis, 1-3 parts of wild chrysanthemum flowers, 5-8 parts of sargassum thunbergii, 10-15 parts of rhizoma curculiginis branches and leaves, 20-30 parts of citrus seeds, 0.5-1 part of oleum morrhuae and 20-30 parts of phagostimulant. The growth-promoting feed is proper in material selection, fine to make, capable of promoting the growth, development and weight gain of lambs, enhancing the physique and the disease resistance of the lambs, and increasing the appetite of the lambs; the lambs rapidly grow, and are easy to fatten. The growth-promoting feed disclosed by the invention is reasonable in design, fine to make, and worthy of being popularized.

The invention relates to an intermediate rearing method for Sargassum thunbergii Kuntze seedlings, which is characterized in that: breeding waste water from industrial greenhouse breeding performed by pumping underground seawater is used for the intermediate rearing of the Sargassum thunbergii Kuntze seedlings; and filter-feeding shellfish and / or prawns are cultured in a culture pond. By using breeding waste water from industrial greenhouse breeding performed by pumping underground seawater for culturing Sargassum thunbergii Kuntze seedlings, the invention provides an intermediate rearing method for Sargassum thunbergii Kuntze seedlings in northern China. In the method disclosed by invention, the overwintering and aestivating problems in the propagation process of the Sargassum thunbergii Kuntze seedlings are successfully solved by using the energy of breeding waste water, and the Sargassum thunbergii Kuntze seedlings grow fast constantly; and the Sargassum thunbergii Kuntze can absorb organic waste in the breeding waste water, so that the waste water from the industrial greenhouse breeding is recycled, and ocean environment is protected. Meanwhile, a large amount rearing and management cost is saved by using the inhibition effect of the filter-feeding shellfish and prawns on the enemy organisms of the Sargassum thunbergii Kuntze seedlings in an early growing stage.

The present invention provides a sargassum thunbergii seed-vegetable artificial-ripening condition controlling method, which can resolve the problems that the maturation of the male seed vegetable and the female seed vegetable is not synchronous and the developing time of the homosexual seed sargassum thunbergii in the sexual reproduction breeding process. The present invention uses the conditions that can be artificially controlled to achieve the artificial ripening of the seed vegetable in the seedling breeding process and can provide an excellent-quality seed vegetable for the seedling of the sargassum thunbergii. The technical proposal of the present invention comprises the selection of the adult sargassum thunbergii, gripping of the adult sargassum thunbergii, the selection of the temporary-cultivation pool and the controlling of the conditions for cultivation. Adopting the method of the present invention, the lighting time on the adult sargassum thunbergii is prolonged, the lighting strength is increased, the influence of the severe environment on the frond is reduced, the maturation of the pyrenium is relatively concentrated, the maturation of the male and the female pyrenium becomes synchronous and a plenty of concentrated fertilized eggs are achieved, which is beneficial for the success of the one-off seedling collection.

The invention discloses a preparation method of artificial feed for longsnout catfish. The preparation method comprises steps as follows: premix is prepared; fish meal, sargassum thunbergii, snails, krill meal, rapeseed meal, flour, corn flour, peanut shell meal and puffed sweet potato flour are mixed uniformly, crushed until the mixture can pass through a 50-mesh or 60-mesh sieve, and stirred at the speed of 50-150 r / min for 1-2 h; fish oil, olive oil, glycine betaine, an EM (effective microorganism) bacterium liquid, soybean phospholipid and premix are added and continuously stirred at the speed of 120-160 r / min for 30-70 min, water is added until the water content of the system is 15wt%-45wt%, the mixture is stirred uniformly, steam is introduced for curing, granulating and cooling are performed, and the artificial feed for the longsnout catfish is prepared. The product has balanced nutrition and can promote quick growth of the longsnout catfish, the fatality rate of the longsnout catfish is low, and the method is simple and convenient to operate practically.

The invention relates to a method for artificially cultivating Sargassum thunbergii in intertidal zones. According to the method, fertilized eggs are artificially collected from a seedling collection pool and are attached to appropriate attaching matrixes, Sargassum thunbergii seedlings are fixedly arranged on appropriate cultivating regions of the intertidal zones together with the attached matrixes after the seedlings are cultured to be more than 2 mm in length, and thus, the Sargassum thunbergii is artificially cultivated in the intertidal zones. According to the method provided by the invention, a wild living environment for the Sargassum thunbergii is simulated through the attaching matrixes, and the attaching force of the seedlings is increased through a low-temperature freezing manner; and the space of the attaching matrixes can be fully utilized, so that the Sargassum thunbergii cultured yield in a unit area is increased.