87results about How to "Rapid weight gain" patented technology

The invention discloses a laying hen feed additive and belongs to the technical field of feed additives. The laying hen feed additive is composed of following components in parts by weight: 35-65 parts of corns, 5-10 parts of rice bran, 4-9 parts of wheat bran, 5-9 parts of peanut meal, 0.5-3 parts of plant oil, 0.2-0.4 part of table salt, 0.1-0.2 part of a calcium element additive, 0.4-2.6 parts of amino acid, 0.05 part of a complex enzyme preparation, 0.012 part of phytase, 0.05-0.12 part of choline chloride, 50-150 parts of vitamin E, 1-5 parts of cordyceps taishanensis powder, 2-6 parts of asparagus cochinchinensis powder, 0.5-1 part of glycyrrhiza uralensis powder, 5-8 parts of a bacillus subtilis CGMCC7926 (China General Microbiological Culture Collection Center 7926) bacterium agent culture, 3-6 parts of a lactobacillus plantarum CGMCC7928 bacterium agent and 1-2 parts of a saccharomyces cerevisiae bacterium agent. The laying hen feed additive sufficiently guarantees that propagative organs of laying hens are completely and rapidly developed; eggs laid on an egg laying initial phase are heavy and large and the peak is high and the egg laying peak is maintained for long time.

The invention discloses a Cherax quadricarinatus cultivation method, comprising the steps of crayfish pond selection, pond sterilization, water cultivation, fry adding, feed adding and crayfish pond management. By applying biological fertilizers in a water body to improve the quality of the water body, it is possible to fertilize the water quickly and also increase dissolved oxygen in the water body, providing a good water body environment for Cherax quadricarinatus; the feed for Cherax quadricarinatus is rich in nutrition and is good in palatability such that body weight of Cherax quadricarinatus increases quickly, and individual weight of adults of Cherax quadricarinatus is 1.5-2 times the body weight of common members of Cherax quadricarinatus; in addition, for traditional Chinese medicine additives in the feed, synergy of the traditional Chinese medicine components is given to full play by making use of the monarch, minister, assistant and guide compatibility theory in traditional Chinese medicine, antibacterial and anti-inflammatory, heat-clearing and toxin-removing and immunity-improving effects can be achieved, the adjustment for body balance and intestinal ecological environment of Cherax quadricarinatus can be significantly improved, survival rate of Cherax quadricarinatus is up to 91.5-93.6%, no medicine residue occurs, and health and safety are ensured.

The invention discloses an expanded floating feed for siniperca chuatsi and a preparation method thereof. A formula of the expanded floating feed for siniperca chuatsi, which is provided by the invention, contains the following substances: chicken powder, cassava starch, euphausia superba powder, rice protein powder, fish soluble protein, pea protein powder, cuttlefish powder, wheat gluten, fermented soybean meal, spray-dried animal blood cells, monocalcium phosphate, bentonite, phospholipid oil, fish oil, fish microelements, fish multivitamin, sodium humate, choline chloride, a mold inhibitor, a vitamin C additive, an antioxidant, inositol and carnitine. The expanded floating feed for siniperca chuatsi, which is provided by the invention, is capable of improving the digestive ability of siniperca chuatsi, obviously promoting weight gain of siniperca chuatsi, increasing the survival rate of siniperca chuatsi, simultaneously maintaining the water quality and improving the body immunity and disease resistance of siniperca chuatsi.

The invention discloses a process for manufacturing biologically active fodder which mainly includes a fermentation procedure, wherein 0.1-5% zymogeneous bacteria, 0.5-5% buffering agent, and 0.1-10% Yishengyuan are added into the slag of fruits and vegetables under the condition of pH 5-7, temperature 30-42 deg.C, stacking the fruit and vegetable slag to a thickness of 20-100cm, fermentation 20-40 hrs, and a nourishment synthesis procedure. The invention realizes the utilization of industrial and agricultural waste resource.

The invention discloses a uniform-crowning high-egg-yield laying hen nutritional set feed application method and feed thereof, and belongs to the field of feed compositions and feeding. By repeated demonstrations and laying hen laboratory screening, the feed mainly comprising corn, wheat, corn gluten meal, soybean meal, sunflower seed meal, corn by-products, soybean oil, enzyme preparations, microbial preparations, vitamin E, organic selenium, organic chromium, organic zinc and the like is developed. The set feed is divided into two stages, one ranges from crowning period 16 weeks to 2% laying rate, the other ranges from early laying peak with 2% laying rate to 28 weeks, nutritional levels designed for the two stages are different, the two stages have certain differences in raw materials, requirements for reproductive organ development, weight growth and high egg yield are met sufficiently, and the average egg weight in 28 weeks is 61.3 grams and is 3.03% higher than the average; laying rate reaches above 95%; egg yield is increased from 48.2grams / per egg / per day to 50.1grams / per egg / per day; death and culling rate of the stage from 16 weeks to 28 weeks is decreased to 0.75%; every hen lays three more eggs; and more economic benefit of 18,000 RMB is created by 10,000 hens.

The invention discloses special feed for finless eels. The special feed consists of the following ingredients in parts by weight: 30 to 40 parts of fish meal, 5 to 10 parts of shrimp shell meal, 10 to 20 parts of bean meal, 10 to 20 parts of corn gluten meal, 13 to 15 parts of earthworm meal, 10 to 15 parts of blood meal, 3 to 5 parts of vital gluten, 1 to 2 parts of monocalcium phosphate, 3 to 5 parts of complex vitamins, 3 to 5 parts of orange peel meal, 3 to 5 parts of pine needle meal, 4 to 6 parts of southernwood meal, 2 to 4 parts of betain and 5 to 7 parts of purslane meal. The special feed has the advantages that the nutrition ingredient matching is reasonable; high-quality protein and energy substances can be provided for the finless eels; the disease resistance capability of the finless eels can be enhanced; the feed coefficient is reduced; the delivery time of the finless eels is reduced; the feed utilization rate is improved; the input-output cost performance is high; the special feed is worth of being applied and popularized.

The invention relates to a method for intermediate cultivation of a juvenile lutrariasieboldii reeve in an outdoor cement pond, and belongs to the technical field of cultivation of aquatic animals. A cement cultivation pond can be indoor or outdoor; an outdoor pond needs a frame to be put up and a sunshade net is covered at the top of the outdoor pond. According to the method, an overhead cultivation bed consisting of a bridge type support frame, a sand bed and other auxiliary facilities is arranged at the bottom of the cement cultivation pond; after the arrangement is completed, the cultivation pond is sterilized and soil-filtered sea water is introduced, wherein the water is 40 to 50 cm higher than a sand surface; juvenile lutrariasieboldii reeves which are 1 to 3 mm in shell length are fed according to a density of 3,000 to 5,000 / m<2>; monodus subterraneus and natural algaes from the shrimp pond are supplied for 2 to 4 times every day, and the water is changed twice thoroughly or 200% convection water is supplied. Subjected to intermediate cultivation for one month, the juvenile lutrariasieboldii reeve is as long as 2.0 to 2.5 cm and as heavy as 2 to 3 g so as to meet the requirement. The lutrariasieboldii reeve intermediately cultivated by the method is high in survival rate and growth speed and low in cost, and the breeds of lutrariasieboldii reeve are convenient to collect, therefore a large-scale intermediate cultivation of juvenile lutrariasieboldii reeve is realized and the economic benefit of breed production of lutrariasieboldii reeve is greatly improved.

A nutritional composition having a total energy content of 67 kcal / 100 ml or lower and including: a protein content which is 1.25 g / 100 ml or lower, an energy content from protein of 7.2-8.4% of the total energy content of the nutritional composition, an energy content from fat which is at least 49% or more of the total energy content of the nutritional composition, a medium chain fatty acid content comprising 8 to 10 carbons which is less than 3 wt % of total amount of fatty acids, a sialic acid content of 10-25 mg / 100 ml, a cholesterol content of 5-10 mg / 100 ml, and a sphingomyelin content of 9-15 mg / 100 ml is disclosed.

The invention provides a cattle breeding method, and belongs to the technical field of cattle breeding. The breeding method comprises the following steps that firstly, a cattle breeding farm is built; secondly, cattle in different growth periods are fed on a mixture of a coarse material and a fine material in corresponding proportion, wherein the coarse material is prepared from straw, green grass and wheat bran, and the fine material is prepared from corn, soybean meal, rape seed cakes, cottonseed cakes, animal bone meal, malt, lotus petioles, lotus seeds, tangerine pith, pericarpium citri reticulatae, cortex magnoliae officinalis, baking soda, vegetable oil and edible salt; lastly, parasite expelling is conducted for the cattle regularly. According to the breeding method, the adopted feed is prepared from the natural raw materials through scientific combination and is rich in bioactive substances, effective ingredients of all the raw materials are mutually influenced and achieve a synergistic effect, therefore, the immunity of the cattle can be improved, the disease incidence can be decreased, and the quality and the edible safety of beef can be improved.

An animal castrating solution is presented and said solution mainly consists of phenol, common salt and phenyl methanol and characterized by including calcium chloride , and its formula of percentage by weight is as follows: phenol 4-7 , common salt 10-17, phenyl methanol 3-5, calcium chloride 3-5, the remainder being water. Using one kind of said animal castrating solution in said invention can replace the original two kinds, both male and female animals can be castrated by means of injection and pouring into, meanwhile the merits of the original one are maintained.

The present invention discloses a feed for procambarus clarkii and a preparation method thereof. The feed for procambarus clarkia comprises the following raw material components: flour, rice bran, rapeseed meal, peanut meal, soybean meal, super steam fish meal, cottonseed meal, corn gluten meal, bentonite, brewer's yeasts, spray-dried animal blood cells, squid cream, monocalcium phosphate, semen ricini kernels, phosphatide oil, fish oil, choline, a mildew preventive, shrimp trace elements, shrimp vitamins, vitamin C, an antioxidant, inositol and carnitine. The feed for the procambarus clarkii can inhibit the gonad development and inhibit natural ovulation in the development period of the procambarus clarkia, thereby increase the weight gain, and increase the economic benefits. The preparation method of the feed for the procambarus clarkii is simple and convenient in operation, and conductive to improving the breeding efficiency.

The invention relates to a method for mixed culturing of swimming crabs and palaemon carinicauda. The method belongs to the technical field of fishery industry and is characterized by comprising the following steps of (1) clearing up a pond; (3) putting swimming crab seedlings in mid-to-end of May, selecting III-period baby crabs cultivated in a soil pool, putting 1-1.5kg per mu, in the end of June, putting 1-2kg of lively-swimming egg-carried shrimps per mu, and planting submerged plant water caltrop in the bottom part of the pond for improving water quality; (4) replacing 70-80 percent of water at every 5-7 days, sterilizing in time after water replacement, and putting water quality modifying agent for one time at the second day; (5) feeding crab and shrimp mixed feed, and then feeding according to the conventional mixed culturing method of the swimming crabs and palaemon carinicauda. According to the method for the mixed culturing of the swimming crabs and the palaemon carinicauda, the nutrition is balanced, the daily demands of the swimming crabs and palaemon carinicauda can be met, the feed efficiency is high, the survival rate of the swimming crabs and palaemon carinicauda is high, the ponderal growth is quick, the immunity of crab bodies can be remarkably enhanced, and the capabilities of antibiosis and antiviral of the crab bodies are improved.

The invention provides feed for chicken weight increment, which comprises basal feed and auxiliary weight increment materials, wherein the basal feed comprises the following components by weight percentage: 60-70% of corn, 4-6% of sorghum or millet, 5-12% of barley or wheat bran, 10-20% of bean cake, 3-7% of fish meal, 0.7-3% of shell meal or bone meal, 12-18% of animal protein, and 0.3-1% of salt; the auxiliary weight increment materials comprise the following components by weight percentage: 20-40% of cassia, 20-30% of fennel, 10-15% of kacmpferia galanga, 10-15% of tangerine peel, 2-5% of pepper, 2-5% of liquorice, 10-15% of radix bupleuri, 2-6% of radix ophiopogonis, 5-10% of Chinese angelica, and 2-6% of radix scrophulariae; A proportion of the basal feed to the auxiliary weight increment materials is (99-107):(1-1.15). The feed is simple in proportioning, and convenient to prepare; the blending times of the conventional feed can be reduced; the weight increment can be conducted rapidly; and the feed is harmless to diet safety.

According to one embodiment of the invention, a system for warming infant feedings includes a housing having a feeding heating chamber disposed therein, a plurality of feeding receptacles disposed within the feeding heating chamber, a false feeding disposed within one of the feeding receptacles, and a surface heat sensor probe coupled to the false feeding. The surface heat sensor probe is operable to detect a temperature of the false feeding. The system further includes a heating unit operable to, in conjunction with the surface heat sensor probe, maintain the temperature of the false feeding at a predetermined temperature.

The invention relates to a low-cost matched breeding method for white feather broilers. According to the method, recessive white Plymouth rocks serve as a specialized strain female parent paternal line, high-yield laying hens serve as a specialized strain female parent maternal line, the recessive white Plymouth rocks and the high-yield laying hens are hybridized to generate female parents, and aCornish variety serves as a male parent to be hybridized with the female parents to generate a commercial generation of a specialized strain. Leukemia and pullorum disease full-group general test is preferably carried out on specialized strain progenitor chicken flocks, regular spot test is carried out on the parents, and leukemia individuals and pullorum disease positive individuals are eliminated. Pure line breeding is preferably carried out on the specialized strain paternal line, the female parent paternal line and the female parent maternal line. The breeding cost of the commercial generation is reduced, the growth speed of the commercial generation can be ensured, and the production cost is reduced.

The invention discloses feed for growing period of sheep and a preparation method of the feed. The feed is prepared from the following raw materials by weight parts: corn straws, sorghum-sudan grass, chrysanthemum straws, sea-buckthorn branches and leaves, urea, mountain flour, salt, pumpkin, molasses, wheat middling, oil bran, vitamin preparation and composite additive. The feed is fine and uniform in particle, verdant in color, fragrant and pleasant in flavor and balanced in nutrition, and therefore, the feed can effectively promote meat growing and fattening of sheep; the feed contains various raw materials required by the growth of the sheep, so that the feed can not only ensure healthy growing of the sheep, but also have a health care value; the straws are ammoniated and then are mixed with the pumpkin and the molasses for lactic acid fermentation, and therefore, the combined treatment can realize rich and balanced nutrition and improve the feed digestibility and the feed palatability, so as to improve the food consumption of the sheep and the fast growing of weight.

An active biological additive for the feed of domestic animals and fowls features that it contains a lot of useful bacteria and amino acids.

The divisional application of the invention discloses a comb growth feed achieving comb growth consistency and increasing laying rate for laying hens of 16 weeks and with laying rate of 2%, belonging to the field of feed compositions. The feed is used for the laying hens of 16 weeks and with laying rate of 2%, and can promote the propagative organ development and weight gaining; the feed is mainly prepared from the following raw materials in parts by weight: 54.365 parts of corn, 3 parts of rice bran, 2.5 parts of wheat bran, 14 parts of bean pulp, 3 parts of fermented soybean meal, 3 parts of peanut meal, 2.8 parts of sunflower seed meal, 2 parts of rapeseed dregs, 3.5 parts of distillers dried grains with soluble (DDGS), 3 parts of corn bran, 1.0 part of soybean oil, 5.2 parts of mountain flour, 0.8 part of calcium hydrogen phosphate, 0.35 part of table salt, 0.13 part of methionine, 0.12 part of 70% lysine sulfate, 0.05 part of probiotics, 0.05 part of a complex enzyme preparation, 0.012 part of phytase, and 1 part of a compound premix. By using the feed, the comb growing consistency in a comb growth phase, large eggs in a preliminary egg laying stage, fastness in speed of reaching the egg laying peak, and the relatively high laying rate can be achieved.

The invention relates to a feed, in particular to a beef cattle fattening feed. The beef cattle fattening feed is prepared from, by weight, 100 parts to 120 parts of corn, 30 parts to 50 parts of bran, 20 parts to 40 parts of bean cakes, 1 part to 1.5 parts of salt, 10 parts to 15 parts of oat, 20 parts to 40 parts of potato starch, 30 parts to 60 parts of corn straw, 10 parts of white sugar, 1 part of traditional Chinese medicine additive and 0.5 part of leavening agent. According to the beef cattle fattening feed, as the traditional Chinese medicine additive is contained, the gastric motility of beef cattle can be promoted, and the digestive absorption capacity of beef cattle can be improved. Due to leavening, a part of the concentrated feed can be directly converted into ingredients such as amino acid and proteins, rapid absorption of beef cattle is facilitated, and stomach food retention is reduced. After the feed is adopted for a long time, the level of the gastric motility of beef cattle can be effectively improved, digestive absorption can be promoted, and the yield of beef can be increased.

The invention discloses a swamp eel feed and a preparation method thereof. The swamp eel feed disclosed by the invention comprises the following components as raw materials: flour, bean meal, super-steam fish meal, cottonseed meal, corn protein powder, bentonite, beer yeast, spray-dried blood cells, squid extract, lees protein feed, wheat gluten powder, calcium dihydrogen phosphate, castor seed powder, lecithin oil, fish oil, choline, a mildew-proofing agent, vitamin C, an antioxidant, inosite, carnitine, specific trace elements for the fishes, and specific multivitamins for the fishes. The swamp eel feed is capable of promoting weight gaining of the swamp eels by inhibiting gonadogenesis and spontaneous ovulation of the swamp eels during the gonadal development periods of the swamp eels, so that the economic benefits are increased. The preparation method of the swamp eel feed disclosed by the invention is simple and convenient to operate, and is beneficial for improving of the breeding efficiencies.

The invention discloses a method for breeding disease-free and high-yield lobsters. The method is characterized by comprising the steps of building of a breeding pond, disinfection of the breeding pond, breeding of planktons, throwing of lobster seeds, throwing of lobster baits, and daily management. According to the method for breeding the disease-free and high-yield lobsters, the environment of the lobster pond can be improved, and the method has the advantages that the occurrence of diseases of the lobsters is prevented, the survival rate and the yield are increased, the reproduction speed is high, the meat is fresh and delicious in flavor, the content of protein is high, the lobsters are green and safe, and the yield is increased.

The invention belongs to the technical field of feed, and concretely discloses feed for promoting growth of black-bone chickens and a preparation method thereof. The feed for promoting growth of black-bone chickens comprises certain parts by weight of dry materials and fresh materials, the dry material comprises certain parts by weight of basic dry materials and growth promotion additives, wherein the growth promotion additives comprise certain parts by weight of dried orange peels, Huai wheat, spatholobus stems, cyperus roots, lily bulbs, Chinese magnoliavine fruits, lotus seeds, tuber fleece-flower roots, Szechuan lovage rhizome, and cinnamon; the preparation method comprises the following steps: treatment of raw materials, pelletizing, uniform mixing, and the like. The feed for promoting growth of black-bone chickens has the characteristics of scientific proportioning, abundant and comprehensive nutrition, and green and safety, and has the efficacies for calming and tranquillizing, rectifying qi and activating blood circulation, strengthening spleen and stomach, and promoting digestion; the feed can be used for effectively improving growth speed of black-bone chickens with high culture benefits, and cultivated black-bone chickens do not have internal drug residues and have good quality; at the same time, the preparation method of the feed for preventing diseases of black-bone chickens is simple and easy to carry out, and can effectively improve quality guaranteeing effects of the feed for promoting growth of black-bone chickens.

The invention provides a pig feed additive and a preparing method and application thereof and belongs to the field of husbandry technology. The pig feed additive is mainly prepared from, by weight, 20-30 parts of radix scutellariae, 30-40 parts of radix bupleuri, 15-30 parts of radix gentianae, 15-25 parts of radix astragali, 25-35 parts of herba houttuyniae, 10-25 parts of radix isatidis, 15-25 parts of licorice root, 10-25 parts of herba leonuri, 10-25 parts of mallotus root, 5-15 parts of headleaf loosestrife herb and 3-10 parts of radish leaf. The pig feed additive is prepared through scientific combination of natural materials and rich in bioactive substances and can be added to pig feed to be used for feeding pigs, the effective constituents of the raw materials influence one another and generate a synergistic effect, the immunity of pigs can be improved, pig disease incidence can be reduced greatly, and then veterinary drug consumption is reduced and the quality of pork and eating safety are improved; furthermore, digestive absorption of pigs can be better achieved by means of the smashing technique.

The invention discloses beef cattle feed. The beef cattle feed is prepared from the following components in parts by weight: 3-8 parts of vinasse, 5-8 parts of green feed and 0.5-1 part of concentrated feed, wherein the concentrated feed comprises 45-55 parts of corns, 20-30 parts of wheat bran, 5-15 parts of soybean meal, 1-2 parts of salt and 1-2 parts of sodium hydrogen carbonate. According to the beef cattle feed, by adding the vinasse into the feed, the content of protein in the vinasse is high and the sleeping time can be prolonged after cattle eat the feed, so that the weight growth of the cattle is promoted and the fattening speed is relatively rapid.

The present invention discloses a preparation process of spleen-tonifying and anti-diarrhea premixed feed for pigs. The spleen-tonifying and anti-diarrhea premixed feed for the pigs is prepared by mixing a nutritional additive, a Chinese herbal medicine additive and a diluent; the spleen-tonifying and anti-diarrhea premixed feed for the pigs has the advantages that the spleen and stomach functionsand the immunity of the piglets can be improved, diarrhea is prevented, the survival rate of the piglets is high, the product safety is high, the medicinal effect is good, and no residues exist in the bodies of the piglets; in the preparation process, medicinal materials are sliced by a medicinal material slicing device, and the slicing device finishes an automatic slicing process of the medicinal materials, so that the preparation efficiency of decoction pieces is effectively improved and the production time of the spleen-tonifying and anti-diarrhea premixed feed for the pigs is shortened; and the medicinal material slicing device drives a forward winding roller by a forward power motor and drives a backward winding roller by a backward power motor to freely control forward and backwardmovement of a material push plate, so that the slicing efficiency is further improved, and the use is convenient.

The invention provides a portunus trituberculatus and exopalaemon carinicauda polyculture feed and belongs to the technical field of fishery industry. The portunus trituberculatus and exopalaemon carinicauda polyculture feed is prepared from the following substances in parts by weight: 20-30 parts of red fishmeal, 5-10 parts of arginine, 8-15 parts of spiral seaweed powder, 4-6 parts of immunopolysaccharide, 10-15 parts of fermented soybean meal, 2-3 parts of pinus massoniana needle powder, 1-5 parts of vinasse, 2-6 parts of bacillus subtilis powder, 2-3 parts of fish oil, 10-15 parts of rice bran, 5-10 parts of nepeta cataria powder, 5-8 parts of cellulase, 0.2-0.5 part of compound vitamin, 0.5-1 part of compound mineral substance and 5-8 parts of houttuynia cordata powder. The portunus trituberculatus and exopalaemon carinicauda polyculture feed has balanced nutrition and can meet the daily requirements of portunus trituberculatus and exopalaemon carinicauda; the feed efficiency is high, the survival rate of the portunus trituberculatus and the exopalaemon carinicauda is high and the weight growth speed is high; after all the raw materials are reasonably compounded, the palatability and the food calling effect are good; the immunity of the portunus trituberculatus can be remarkably enhanced and the antibacterial and anti-virus capabilities of the portunus trituberculatus are improved; and the portunus trituberculatus and exopalaemon carinicauda polyculture feed has good stability in water and is environment-friendly.

The invention provides a method for manufacturing weight gaining fat chicken fodder. The method comprises the following steps: A, feeding corn, kaoliang / millet, barley / wheat bran, bean cake, fish meal, shell powder / bone meal, animal protein and dairy salt into a crusher for crushing according to a certain proportion, and then to a stirrer for uniform stirring, so as to obtain basal fodder; B, feeding cassia bark, foeniculum vulgare, kaempferiae rhizoma, pericarpium citri reticulatae, pepper, liquorice, radix bupleuri, dwarf lilyturf turber, Chinese angelica and figwort root into the crusher for crushing, and then to the stirrer for uniform stirring, and sieving the obtained mixture with a 80 to 120 meshes' sieve to obtain a weight gaining auxiliary material; and C, mixing the basal fodder obtained in the step A and the weight gaining auxiliary material obtained in the step B according to the proportion of (99 to 107) : (1 to 1.15). The method has the advantages that the proportioning is simple; the manufacture is convenient; the mixing frequency of conventional fodder is reduced; the fast weight gaining purpose can be realized; and harm to food safety is avoided.

The invention relates to the field of mechanical instruments, in particular to a gravity sham feeding device. The gravity sham feeding device comprises a container, a container cover and a connector located at the bottom of the container. A connector cover is arranged outside the connector and a nipple is further connected to the feeding device. The feeding device is connected with the nipple through the container and gravity feeding is combined with sham feeding. According to the gravity feeding, milk is evenly and slowly dripped into the stomach through the gravity action, the milk gradually flows to the small intestine along with gastrointestinal motility, and therefore abdominal distension and emesis are reduced. Compared with nasal feeding, the gravity feeding has the advantages that the milk amount of a premature infant is increased, the whole stomach and intestine nutrition time can be achieved in advance, complications related to feeding are reduced, weight gain can be facilitated, the time of a hospital stay is shortened, and the work efficiency of a nurse is improved. Sham feeding is conducted at the same time, and therefore the premature infant can be stimulated through non-nutritive sucking so that the vagus can be excited and the gastrointestinal tract G cells can be stimulated to conduct gastrin secretion; meanwhile, the sucking ability of the infant can be trained and a certain pacifying function can be achieved.

The invention discloses a penaeus vannamei aquaculture system which comprises the following steps: 1, arranging an oxygen-increasing machine, a laser emission device and an ultrasonic wave generation device in a pond, and controlling the pH value and the transparency of water; 2, feeding penaeus vannamei seeds; 3, on the first to fifth days after the penaeus vannamei seeds are fed, uniformly mixing a conditioner with an opening material, feeding the penaeus vannamei seeds with the mixture, and feeding an activator and shrimp shell maintenance liquid every day; 4, on the sixth day after the penaeus vannamei seeds are fed, stopping feeding the opening material, but feeding the penaeus vannamei with a young shrimp material, and feeding the shrimp shell maintenance liquid every 3 days; 5, stopping feeding the young shrimp material, but feeding the penaeus vannamei with a medium shrimp material, feeding the shrimp shell maintenance liquid every 7 days, starting a motor and a laser emitter after each feeding of the activator is completed, and starting an oil cylinder and an ultrasonic wave generator after each feeding of the shrimp shell maintenance liquid is completed. The penaeus vannamei aquaculture system has outstanding beneficial effects of reducing the bait coefficient of penaeus vannamei, shortening the aquaculture period, increasing the survival rate and the acre yield and realizing fast individual weight gain.

The present invention discloses a reserve sow compound feed in the growth earlier stage and a preparation and use method thereof. The reserve sow compound feed in the growth earlier stage includes the following raw material components in parts by weight: 45-68% of corn, 4-8% of puffed corn, 10-20% of peeled soybean meal, 1-3% spray-dried plasma protein powder, 1.5-3% of imported fish meal, 1-2% of whey powder, 0.8-1.2% of soybean oil, 1-2.5% of molasses, 0.1-0.25% of 98.5% lysine, 0.06-0.08% of 60% choline. 0.2-0.55% of calcium hydrogen phosphate, 0.1-0.3% of edible salt, 0.6-1.2% mountain flour and 2-3% premix. The reserve sow compound feed of present invention strengthens the deposition of calcium and phosphorus needed by reserve sows in the growth earlier stage, proportionately meets the reproductive system development needs of reserve sows in the growth earlier stage, and the reserve sows have fast growing weight, straight backs, strong limbs and hoofs, and strong immunity after being fed with the compound feed formula. The reserve sow compound feed lays a solid foundation for the high efficient reproductive performance of reserve sows for a lifetime.