50results about How to "Fast and healthy growth" patented technology

The invention discloses a biological organic pesticide-containing fertilizer and a preparation method thereof and belongs to the technical field of preparation of biological organic pesticide-containing fertilizers. The biological organic pesticide-containing fertilizer comprises raw materials as follows: 40-90 parts of leaves of weeping willows, 50-90 parts of piper methysticum forst, 60-90 parts of leaves of tea trees, 25-40 parts of waste residues, 15-30 parts of earthworm powder, 4-8 parts of biological bacteria, 2-6 parts of microelements, 1-3 parts of a water-retaining agent, 1-3 parts of a wetting dispersant and 1-3 parts of a penetrant. The biological organic pesticide-containing fertilizer is prepared in steps of crushing, fermentation, concentration, drying and the like, can effectively prevent diseases and pests and can also balance nutrition, promote quick and healthy growth of crops and increase the yield of the crops, is ecological and environment-friendly, improves soil environment and is free from pollution to the environment.

The invention discloses a potato organic fertilizer. The potato organic fertilizer is prepared from, by weight, 80-140 parts of sheep manure, 70-120 parts of duck manure, 60-100 parts of goose manure, 6-10 parts of edible fungi residues, 2-6 parts of sugar residues, 2-5 parts of acid sludge, 12-20 parts of starch residues, 8-12 parts of manioc waste, 20-35 parts of ampullaria gigas powder, 8-14 parts of compound bacteria, 1.2-4 parts of microelements, 1-3 parts of an organic water retaining agent, 0.9-2.8 parts of a dispersing agent, 0.6-2.2 parts of an organic conditioning agent, 0.4-1.8 parts of a penetrating agent, 0.5-0.9 part of a conditioning agent and 0.6-1.4 parts of a tackifier. The potato organic fertilizer can effectively prevent disease and insect pest and can balance nutrients, promote rapid and healthy growth of crops, and improve the crop yield. The potato organic fertilizer is ecological, environmentally friendly, capable of improving soil environment and free of environmental pollution.

The invention discloses a preparation of plant ecological nutrition conditioner with selenium-enriched and cadmium-degradable which is processed in the ratio of 28 to 35 percent potassium humate. The plant ecological nutrition conditioner with selenium-enriched and cadmium-degradable can promote the efficient nutrition absorption of crop, grove rapidly and soundly, reducing a plurality of toxics and harmful substances especially having marked effect on the selenium and cadmium in contaminated soil, meanwhile, selenium-enriched agricultural products can be produced and can be used in rice, wheat, tea, fruit, vegetables, medical herbs and other crops.

The invention discloses ecological organic fertilizer and a preparing method thereof and belongs to the technical field of ecological organic fertilizer preparation. The ecological organic fertilizer is prepared from 30-70 parts of scutellaria baicalensis, 40-70 parts of purslane, 50-70 parts of mandala, 20-35 parts of waste residues, 10-25 parts of earthworm powder, 4-8 parts of biological bacteria, 2-6 parts of trace elements, 1-3 parts of water-retaining agents, 1-3 parts of wetting dispersing agents and 1-3 parts of penetrating agents. The ecological organic fertilizer is prepared through the steps of smashing, fermenting, concentrating, drying and the like. The ecological organic fertilizer can effectively prevent disease and insect damage, balance nutrition, promote fast and healthy growth of crops, and increase the yield of the crops; the preparing method for the ecological organic fertilizer is easy to operate, low in preparation cost and beneficial for application and popularization.

The invention relates to the field of edible mushrooms and particularly relates to an artificially-bred bamboo fungus culture medium. The bamboo fungus culture medium comprises the following components in parts by weight: 20-25 parts of bamboo bits, preferably bamboo rhizome bits with the age of over two years, 10-20 parts of brown wood bits, 10-15 parts of bamboo leaves, 10-15 parts of bamboo forest humus soils, 2-5 parts of potatoes, 5-10 parts of bagasse, 10-15 parts of wheat straws, 2-5 parts of soybean meal, 0.3-0.5 part of glucose, 0.5-1 part of calcium superphosphate, 0.5-1 part of magnesium sulfate, 0.5-1 part of ammonium nitrate and 0.5-1 part of hydrated lime, wherein the bamboo leaves and the wheat straws are soaked and bubbled for over 30 days by use of water in a fermenting tank, properly dried in the air after being bubbled until the moisture content is 25%-35%, wherein the integral moisture content of the culture medium is 70%-80%; and the culture medium is pressed by beating and compacted, so that the porosity is smaller than 10%. The culture medium is complete in nutritional ingredient, moderate in acid and alkaline condition, and capable of meeting the growth needs of the bamboo fungus and greatly increasing the yield of the artificially-bred bamboo fungus.

The invention discloses an organic fertilizer. The organic fertilizer comprises the following raw materials in parts by weight: 82 to 138 parts of cow dung, 72 to 118 parts of chicken dung, 62 to 98 parts of goose dung, 6 to 10 parts of soybean residues, 2 to 6 parts of sugarcane residues, 2 to 5 parts of monosodium glutamate residues, 12 to 20 parts of starch residues, 8 to 12 parts of cassava residues, 20 to 35 parts of pomacea canaliculata powder, 8 to 14 parts of compound bacteria, 1.2 to 4 parts of trace elements, 1 to 3 parts of an organic water-retaining agent, 0.9 to 2.8 parts of a dispersing agent, 0.6 to 2.2 parts of an organic conditioner, 0.4 to 1.8 parts of a penetrating agent, 0.5 to 0.9 part of a regulator, and 0.6 to 1.4 parts of a tackifier. The organic fertilizer disclosed by the invention can effectively prevent and control diseases and insect pests, and can also balance nitration, promote rapid and healthy growth of crops and improve the yield of the crops; the organic fertilizer disclosed by the invention is ecologically environment-friendly, improves soil environment and does not cause pollution to the environment.

The invention discloses organic fertilizer and a preparation method thereof, and belongs to the technical field of organic fertilizer preparation. The organic fertilizer is prepared from 30-80 parts of ailanthus, 40-80 parts of castor beans, 50-80 parts of Sichuan pepper, 15-40 parts of waste residues, 10-30 parts of earthworm powder, 4-8 parts of biological bacteria, 2-6 parts of trace elements, 1-3 parts of water-retaining agents, 1-3 parts of wetting and dispersing agents and 1-3 parts of penetrating agents. By means of the organic fertilizer, diseases and insect pests can be effectively prevented, nutrition can be balanced, the soil environment is improved, rapid and healthy growth of crops is facilitated, the growth cycle is shortened, and the crop yield is improved.

The invention discloses tea feed for raising chicken immunity and a preparation method thereof. The tea feed for raising chicken immunity comprises tea leaves, Portulaca oleracea, mulberry leaves, honeysuckle, Houttuynia cordata, Prunella vulgaris, corn flour, soybean meal, sweet potato pulp, vinasse, bone meal, silkworm chrysalis powder, earthworms and a feed starter. The preparation method comprises 1) chopping and uniformly mixing raw materials such as fresh tea leaves, Portulaca oleracea and mulberry leaves to obtain mixed forage, 2) uniformly mixing the mixed forage, corn flour and soybean meal, putting the mixture into a fermenting tank and carrying out seal fermentation, 3) uniformly mixing and sterilizing the fermented material, silkworm chrysalis powder and earthworm powder and 4) carrying out vacuum packaging on the feed. The tea feed uses the tea as the raw material of the chicken feed to expand the utilization way of the summer and autumn tea raw materials. The tea and the Portulaca oleracea in the feed can improve the immunity of the chicken and reduce the diseases. The fermented feed has a good taste, is rich in nutrients and can promote the growth of chickens.

The invention discloses a cultivation process of ratooning rice. The cultivation process of ratooning rice comprises the following steps of Step 1, cutting off water supply to dry the land at 7 days before first-crop rice is mature, only cutting the upper 2 / 3 parts of rice plants, collecting rice ears, remaining axillary buds, and leaving the lower 1 / 3 parts of plants and root systems; Step 2, with two days of first-crop rice harvesting, applying 5 to 15 kg of urea, 5 to 10 kg of potassium chloride and 11 to 15 kg of compound fertilizers into per mu of rice field, performing irrigation, and then growing the axillary buds to form second-crop rice; and Step 3, spraying 902 gibberellins once about 1 week growth of the two-season rice at a concentration of 3 to 5g / mu so as to stimulate the growth of leaves and buds, spraying imidacloprid, buprofezin and 920 growth regulators during the growth period of the second-crop rice, and performing harvesting when the yellowing rate of grains of thesecond-crop rice reaches 95 percent or higher. The cultivation process of ratooning rice has the advantages that the process is simple; a proper number of special fertilizers are applied before the first-crop rice is mature; the survival and the germination of the axillary buds are also facilitated; the 902 gibberellins are sprayed once about 1 week of growth of the second-crop rice so as to stimulate the growth of the leaves and the buds; and the 920 growth regulators are favorable for rapid and healthy growth of the second-crop rice.

The invention relates to puffing compound feed for the sunfish breeding season and belongs to the technical field of fish feed. The puffing compound feed comprises the following components: 25-32 parts of imported fish meal, 3-5 parts of chicken meal, 25-30 parts of bean pulp, 20-24 parts of strong flour, 5-10 parts of cottonseed protein, 4-6 parts of corn gluten meal, 1.5-2.5 parts of soybean phospholipid, 2-3 parts of soybean oil, 1-2 parts of fish oil, 0.5-1 part of decavitamin, 0.1-0.2 part of coating vitamin C, 0.05-0.1 part of coating vitamin E, 1.5-2 parts of compound minerals, 0.5-1.5 parts of bentonite, 1-1.5 parts of monocalcium phosphate, 0.2-0.3 part of choline chloride, 0.01-0.04 part of 60% L-carnitine, 0.3-0.8 part of exogenous amino acid and 0.1-0.2 part of taurine. The puffing compound feed can meet the special nutrition and heath demands during the sunfish breeding season, improves the organism immunity, reduces the disease and death rate, and decreases the breading cost during the breeding season.

The invention discloses a breeding feed applicable to medium-term loaches. The breeding feed is prepared from the following materials in parts by weight: vitamins A, E, K and C, niacin, calcium pantothenate, folic acid, biotin, inositol, choline chloride, copper sulfate, ferrous sulfate, manganese sulfate, magnesium sulfate, 1% sodium selenite premixing agents, 3.8% potassium iodide premixing agents, zinc sulfate, methionine, monocalcium phosphate, mountain flour, clay, wheat, fish oil, tung oil, soybean oil, wheat bran, full-fat soybean, soybean meal, corn gluten meal and fish meal. The breeding feed is reasonable in formula, high in fish pertinence, particularly applicable to breeding and feeding of medium-term loaches, good in nutrition quality and comprehensive and reasonable in nutrition. Feeding tests show that the loaches fed with the feed disclosed by the invention have high disease resistance and anti-stress capability, the effect of rapid and healthy growth is achieved, and meanwhile the food coefficient in feeding is reduced.

The invention discloses a novel high-quality organic fertilizer. The novel high-quality organic fertilizer is prepared from the following raw materials in parts by weight: 105-156 parts of goose dung, 94-136 parts of rabbit manure, 85-115 parts of horse dung, 15-20 parts of soybean curd residue, 7-14 parts of saccharified residues, 8-12 parts of edible mushroom dreg, 18-32 parts of earthworm powder, 10-16 parts of compound bacteria, 2-3 parts of micro-elements, 2-4 parts of organic water retention agent, 1-2.5 parts of dispersant, 0.8-2 parts of organic conditioner, 0.6-1.6 parts of penetrant, 0.4-0.8 part of regulator, 0.9-1.7 parts of tackifier and 0.3-0.6 part of synergist. The novel high-quality organic fertilizer disclosed by the invention can be used for strengthening the water retention property of soil, improving soil structure, reducing the deep seepage of water and the loss of soil nutrients, increasing moisture utilization ratio, promoting the rapid and healthy growth of crops, and increasing the yield of the crops.

The invention designs a feeding device with intelligent monitoring and adjustable discharging amount. The device mainly comprises a motor, a charging barrel, a main shaft, a spraying device, a feedingtrough, a discharging outlet adjusting device, a drinking device and a charging level indicator. The motor is arranged at the geometric center of a crossbeam, the charging barrel is arranged in the middle between left and right supports, the main shaft is fixed through the motor and the charging barrel, the discharging outlet adjusting device is arranged below the charging barrel, the spraying device is arranged at a discharging outlet at the lower part of the charging barrel, the feeding trough is arranged on a base plate, and the drinking device is arranged above the feeding trough. According to different feeding demands of livestock and poultry, the feeding device adjusts the upper and lower positions of an outer sleeve to change the size of the discharging outlet, reducing the phenomenon of feed vomiting and waste; the feeding device adopts variable pitch spiral conveying to control the discharging amount and avoid the feed clogging; the feeding device monitors the height of the feed layer intelligently, and improves the feed utilization rate; and spray droplets from spray nozzles reduce the occurrence probability of respiratory diseases of the livestock and poultry. The feeding device is simple and reasonable in structure, convenient in operation and strong in adaptability.

A culture medium for low-cost pleurotus eryngii comprises the following ingredients by weight percent: 70-75% of wheat straw, 10-15% of cotton seed, 5-10% of soybean powder, 0.3-0.5% of glucose, 0.5-1% of quick lime, 1-2% of hydrated lime, 0.1-0.2% calcium superphosphate and 0.1-0.2% of magnesium sulphate; the wheat straw is soaked in water in a fermentation pool for more than 20 days, and is then dried properly to have a water content of 25-35%; the total water content of the culture medium is 70-75%; the wheat straw, the cotton seed and the soybean powder are mixed according to respective ratio, and the rest of nutrition ingredients are scattered on the upper surface of or in the upper layer of the culture medium; the culture medium is tightly compressed, and the void ratio is lower than 10%. The culture medium adopts low-cost and reachable materials, the nutrition ingredients can satisfy the requirement for the growing of the pleurotus eryngii, and can facilitate the domestic manufacturing of pleurotus eryngii by a peasant.

The invention discloses water-soluble organic fertilizer and belongs to the technical field of fertilizer preparation. The water-soluble organic fertilizer is prepared from the following raw materialsin parts by weight: 15 to 30 parts of rice bran, 15 to 20 parts of tobacco, 20 to 30 parts of peanut shell powder, 15 to 23 parts of plant ash, 11 to 17 parts of lightyellow sophora root, 20 to 26 parts of pumpkin stem, 8 to 16 parts of folium artemisiae argyi, 1.1 to 1.5 parts of iron fertilizer, 1.1 to 2.1 parts of zinc fertilizer, 0.3 to 0.6 part of molybdenum fertilizer, 1.2 to 1.5 parts of borax fertilizer, 2 to 4 parts of saccharomycetes, 1 to 2 parts of nitrogen-fixing bacteria, 2 to 3 parts of phosphorus-dissolving and potassium-dissolving microorganism bacteria and 1 to 2 parts of bacillus subtilis. The biological organic fertilizer can be used for effectively preventing diseases and insect pests and also can be used for balancing nutrients, promoting rapid and healthy growth ofcrops, shortening the growth period and improving the yield of the crops.

The invention relates to cherax destructo feed and a processing method thereof, and belongs to the technical field of feed and processing methods of feed. The cherax destructo feed is prepared from, by weight, 15-30 parts of bean pulp, 8-12 parts of cottonseed meal, 10-15 parts of rapeseed meal, 20-25 parts of wheat flour, 5-10 parts of quinoa flour, 30-40 parts of fish meal, 3-6 parts of silkworm chrysalis meal, 2-5 parts of earthworm powder, 8-20 parts of sea grapes, 2-4 parts of plantain herb, 1-3 parts of lily, 1-4 parts of herba leonuri, 2-4 parts of heartleaf houttuynia herb, 1-3 parts of dry tubers of Alisma orientale(Samuels)Juzep., 1-3 parts of cortex dictamni, 3-6 parts of cuttlefishointment, 1-3 parts of beer yeast, 0.01-0.02 part of antioxidant and 0.01-0.02 part of mildew preventive. The cherax destructo feed is free of stimulation and toxic and side effects, comprehensive and abundant in nutrition and good in palatability, waste of the feed in water is reduced, cherax destructo can rapidly and healthily grow, the disease resistance rate is increased, it can be ensured that the color of cherax destructois thick and full, and cherax destructo can have higher ornamental value.

The invention relates to the technical field of soil seedling raising, the soil seedling raising device comprises a cultivation layer and a real-time illumination protection device, the upper surface of the cultivation layer is movably connected with seedling rods, the upper surfaces of the seedling rods are fixedly connected with seedling heads, the real-time illumination protection device is arranged above the cultivation layer, and the real-time illumination protection device comprises a protection cover. The device comprises a protective cover, the lower surface of the protective cover is fixedly connected with a protective cylinder, the inner wall of the protective cover is slidably connected with an opening and closing block, the opening and closing block is arranged in a triangular shape, the upper surface of the protective cover is fixedly connected with six induction blocks, the induction blocks are arranged in a circumferential array, and a real-time monitoring and processing device is arranged below the protective cover. The real-time monitoring processing device comprises a monitoring block. When saplings are cultivated in the gravel environment, appropriate nutrients, moisture and appropriate illumination are provided, the survival rate of the saplings is increased, and the saplings are easy to transplant in the same gravel environment.

The invention belongs to the field of chemical fertilizers and particularly relates to an organic fertilizer. During preparation, raw materials include, by weight, 10-15 parts of animal manure, 5-10 parts of plant ash, 8-12 parts of lincomycin fungi residues, 10-15 parts of urea, 3-8 parts of humic acid, 8-12 parts of 1-amino anthraquinone waste dregs, 10-15 parts of potassium citrate and 40-50 parts of water. A preparing method includes 1) weighing the raw materials according to weight parts; 2) adding the raw materials except the potassium citrate and the urea into a reaction kettle, raisingthe temperature to 150-180 DEG C under stirring, maintaining the temperature for 3-5 h, and stopping heating; and 3) adding the potassium citrate and the urea into the reaction kettle, performing oxygen-free stacking for 8-9 days, with the mixture being turned over one time a day during stacking, then discharging the product, and sealing and packaging the product to obtain the organic fertilizer.Two types of waste are mixed and the animal manure, the potassium citrate, and the like are added, and therefore the prepared organic fertilizer reduces harm to the environment and ecology, waste isturned into things of value, and the resource utilization rate is increased. During practical application, the organic fertilizer can effectively increase the survival rate of tree seedlings, and canshorten a cultivation period.

The present invention belongs to the food field, particularly belongs to the technical field of seasoning product preparation in food industry and particularly discloses a low-temperature koji-makingmethod for soy sauce brewing. The method uses soybeans as a protein raw material and flour as a starch raw material. By adjusting a temperature of koji-making at an early stage and turning koji over at a right time, germination of aspergillus oryzae spores is ensured, rapid and healthy growth of the aspergillus oryzae is also realized and occurrences of koji burning and micro-organism contamination are reduced.

The invention provides a breeding method for soft-shelled turtles. The method comprises the following steps of 1) excavation of a pond, wherein a position adjacent to a reservoir or a natural lake isselected for pond excavation, and the water depth should not be less than 1.5 meters; 2) putting of the soft-shelled turtles, wherein the soft-shelled turtles at the age of 2-3 are selected and put onthe basis that 3-5 soft-shelled turtles are put per square meter, and the stocking ratio of the female soft-shelled turtles to the male soft-shelled turtles is 3:1; 3) feeding management, wherein feed is put once every day and formed by mixing chopped fishes, shrimps, margarya melanoide and animal viscera and crushed beans; 4) disease prevention and control, wherein pond water needs to be frequently replaced, and garlic powder and onion powder are periodically put into the pond for sterilization and disinfection; 5) incubation of the soft-shelled turtles, wherein within 8-24 hours after spawning of the female soft-shelled turtles, eggs can be collected for artificial constant-temperature incubation. The breeding method has the advantages that by means of a scientific feeding method, the rapid reproduction and healthy growth of the soft-shelled turtles can be promoted, the survival rate of the soft-shelled turtles is increased, diseases of the soft-shelled turtles are reduced, the overall process is simple, and the cost is low; the breeding method is widely suitable for matched use for soft-shelled turtle breeding.

The invention provides deodorizing meat duck feed and a preparation method thereof and relates to the technical field of feed. The deodorizing meat duck feed is prepared from raw materials in parts byweight as follows: 20-30 parts of corn flour, 15-20 parts of soybean meal, 10-18 parts of shell powder, 5-9 parts of calcium carbonate, 5-9 parts of pennisetum purpureum, 4-8 parts of lotus leaves, 4-8 parts of wormwood, 3-8 parts of dry aloe powder, 8-16 parts of fermented tea dregs, 0.5-0.8 parts of nitrifying bacteria, 5-10 parts of ginkgo leaf powder, 12-19 parts of a plant extract liquid anda proper amount of water. The raw materials used in the feed have a synergistic effect and jointly act to have functions of promoting growth and development of pigs, reducing odors of pig manure andimproving the environment in a pig house. The feed has the characteristics of being good in use effect, non-toxic and harmless.

The present invention discloses a special feed for pigs used as raw materials for hams and a preparation method thereof, relates to the technical field of animal feeds, and solves the problems that in the prior art, ingredient matching is not reasonable in the feeds, and the feeds cannot meet the growth demands of the pigs used as the raw materials for the hams, and also seriously affect quality of pork. The special feed for the pigs used as the raw materials for hams comprises main materials, pre-mixes and an additive. Fermented distillers' grains, a bio-fermented feed and corn DDGS in the main materials are rich in degraded small molecular nutrients, digestive enzymes, probiotics, antimicrobial peptides and lactic acids, and can be combined with other ingredients, so that the feed has better health-care effects and palatability. By-products of soybean meal and rice bran meal in food processing are used in the main materials, which solves the treatment problem of the by-products, also achieves re-use of the resources, and also reduces the costs of the raw materials. The product is free of antibiotics and drug residues, and green and environmentally protective, each ingredient is combined, the feed can effectively improve meat quality of the hams, and pork of the big pigs fed by the feed is freshly red in color and crisp and tender in texture.

The invention discloses succulent plant nutrient soil and a cultivation method of succulent plants. The succulent plant nutrient soil comprises 5-10 parts of ceramsite, 10-20 parts of particulate activated carbon, 10-15 parts of river sand, 15-25 parts of organic fertilizer, 5-10 parts of coconut fiber, 30-50 parts of garden soil, and 5-8 parts of medical stone; 2-5 parts of probiotics stick. Thesucculent plant nutrient soil has good breathability, water drainage, and water-holding property, as well as certain fertility, is very beneficial to the growth of the roots of succulent plants, and can promote rapid and healthy growth of succulent plants. The invention also provides a cultivation method of succulent plants; the above nutrient soil is mainly used as a culture medium; succulent plants are planted in the culture medium and placed in a ventilated shady place; after the succulent plants adapt to the place, the succulent plants are transferred and cultured in a sunny place.

The invention discloses a quinoa full-film double-ridge dibbler. The quinoa full-film double-ridge dibbler comprises an armrest, hole sowing rollers and a cylindrical shaft, multiple discharging duckbills are uniformly distributed at the outer circumference of each hole sowing roller, the hole sowing rollers sleeve the cylindrical shaft side by side, the quinoa full-film double-ridge dibbler further comprises water permeating perforating devices, a spacing adjusting and executing structure and a veering driving structure, the water permeating perforating devices are arranged on the dischargingduckbills, the spacing adjusting and executing structure is arranged in the cylinder shaft and acts on the hole sowing rollers, the veering driving structure is arranged in the middle of the cylindrical shaft and acts on the spacing adjusting and executing mechanism, and the armrest is arranged on the veering and driving structure. Mulching film perforating can be achieved, water permeating is promoted, and the growth of quinoa is promoted; meanwhile, the spacing of the hole sowing rollers can be quickly and conveniently adjusted, and requirements of different kinds of sowing line space can be met.

The present invention discloses a turtle feed which is made of fish meal, salt, silkworm chrysalis, soybean meal, corn, calcium dihydrogen phosphate, attractant, choline chloride, Dingzhuangsu (feed grade sodium butyrate), vitamins and vegetables. The turtle feed of the present invention is low in cost and reasonable in nutrition constitution. Containing no live feed, the turtle feed can reduce farming costs and water pollution, and fully meet the nutritional needs of turtles, improve the anti-virus capabilities of turtles, promote rapid and healthy growth of the turtle body and shorten the breeding cycle of turtles.

The invention belongs to the technical field of aquatic compound feed, and particularly relates to a fully-cooked puffed compound feed combination used in the early, middle and later stages of breeding of tiger prawns and a preparation method of the feed combination. The effect that three feed is respectively corresponding to breeding in the early, middle and later stages of the tiger prawns is realized by mainly adjusting the protein content in the feed composition. The feed combination provided by the invention has the advantages that feed in the early, middle and later stages meets the breeding needs of the tiger prawns in the early, middle and later stages in a target manner, the breeding speed of the tiger prawns and finished product specifications are improved as a whole, the fully-cooked puffed compound feed has high stability in water, a less nitrogen emission and a low residual bait rate, the feed in the early, middle and later stages is prepared independently without affecting each other, and the basic advantages of a full-cooking puffing technology are significant.

The invention provides a formula for a pseudobagrus fulvidraco puffed feed for shortening the breeding period, wherein the formula comprises the following components in parts by weight: 240-260 partsof high gluten flour, 25-35 parts of distiller's grains, 230-250 parts of soybean meal, 145-155 parts of peanut meal, 230-270 parts of fish meal, 16-18 parts of full-fat rice bran, 30-35 parts of soybean oil, 10-13 parts of calcium dihydrogen phosphate, 2-3 parts of choline chloride, 1-2 parts of lysine, 2-3 parts of solid methionine, 2-3 parts of threonine, 2-4 parts of a compound premix, 2-3 parts of VC, 3-5 parts of an ingredient called Jinhuangsu in Chinese, and 0.5-1 part of table salt. The feed prepared by the formula has low feed coefficient, can significantly improve the disease resistance of fishes, promotes the rapid and healthy growth of fish bodies, greatly shortens the breeding period and reduces the breeding cost; the puffed feed has the advantage of floating, reduces the leftovers, has good maturity, effectively improves the feed utilization rate and reduces the production cost.

The invention belongs to the technical field of aquaculture, and specifically discloses a feed capable of improving survival rate of juvenile grass carps. The feed capable of improving the survival rate of the juvenile grass carps disclosed by the invention is mainly composed of the following ingredients in certain parts by weight: a basal feed, a first additive, a second additive and a microbialagent; and the feed is prepared by the following steps of carrying out mixed fermentation, regulating, and granulation. The first additive comprises the following raw materials in certain parts by weight: vitamin C, calcium dihydrogen phosphate, and chitosan; and the second additive comprises the following raw materials in certain parts by weight: herba houttuyniae, liquorice roots, coix seeds, dianthus superbus, lygodium japonicum, and so on. The feed capable of improving the survival rate of the juvenile grass carps disclosed by the invention is full and comprehensive in nutrition, good in environment protection properties, and low in cost, and capable of effectively improving body immunity and anti-stress ability of the grass carps; and thus, survival rate of the juvenile grass carps iseffectively improved so as to facilitate culture benefits of the grass carps.