75 results about "Weight growth" patented technology

The invention discloses a livestock feed additive, in particular a broiler chicken feed additive and a preparation method thereof. The broiler chicken feed additive is characterized by being prepared from hawthorn, malt, medicated leaven, root of straight ladybell, fragrant solomonseal rhizome, Codonopsis pilosula, Chinese angelica, tangerine peel, astragalus, ginger and Chinese date. The broiler chicken feed additive prepared by the method is used for promoting the growth and development of broiler chickens. The hawthorn has the effects of promoting digestion and relieving stasis; the malt has the effect of promoting digestion and regulating the middle warmer; the medicated leaven serving as the main medicament has the effects of promoting digestion and removing food retention; the root of straight ladybell has the effect of nourishing the stomach to improve the production of body fluid; the fragrant solomonseal rhizome serving as an auxiliary medicament has the effect of nourishing yin to moisten dryness and helping to produce saliva and slake thirst; the Codonopsis pilosula has the effect of replenishing qi to invigorate the spleen; the Chinese angelica has the effect of enriching the blood; the tangerine peel can enliven the spleen by regulating vital energy and alleviating middle energizer; the astragalus serving as an assistant medicament can tonify middle-Jiao and Qi; and the ginger and Chinese date, which serve as guide medicaments, can tonify the spleen and appetize. The broiler chicken feed additive can promote feed intake and percentage of weight growth of broiler chickens, reduce feed-to-meat ratio and improve breeding economic benefit. The additive is prepared from pure traditional Chinese medicine extracts and is free medicinal residual and safe and reliable.

The invention provides a piglet feed. The piglet feed comprises the following components in percentage by weight: 20 to 40 percent of expanded corn, 4 to 10 percent of expanded bean pulp, and 5 to 12 percent of enzymolyzed bean pulp. The invention also provides a method for preparing the piglet feed. The formula of the piglet feed is reasonable; and the expanded corn, the expanded bean pulp and the enzymolyzed bean pulp which are added can effectively improve the digestive function of intestines and stomachs of piglets, eliminate various antinutritional factors, ensure that the piglets ingestbalanced nutrition, improve the digestive efficiency of the intestines and stomachs and the weight growth rate of the piglets, reduce the diarrhea rate of the piglets, and improve the growth quality of the piglets.

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 a juvenile alligator snapping turtle, which comprises the following components in percentage by weight: 49 percent-70 percent of fish meal, 8 percent-30 percent of bean pulp and / or meat and bone meal, 9.8 percent-23.2 percent of starch, 0.2 percent-4.7 percent of fish oil, 0 percent-6 percent of monocalcium phosphate, 0.5 percent-1 percent of vitamin, 1 percent-2 percent of mineral substance and 0.1 percent-0.3 percent of choline chloride. In the invention, the special feed for the juvenile alligator snapping turtle has the advantages of excellent raw materials and scientific nutrition preparation and can ensure that the raw materials are completely ingested by the juvenile alligator snapping turtle without generating aquaculture pollution caused by waste feed, wherein the crude protein is more than or equal to 45 percent, the crude fat is more than or equal to 6 percent, the water content is less than or equal to 10 percent, and the floating time is up to 8-10 hours; after the part of fish meal is replaced by the bean pulp and / or the meat and bone meal, the survival ratio of the alligator snapping turtle is not influenced, but various indexes, such as terminal weight, specific growth ratio, weight growth ratio and the like are obviously improved, and the production cost is greatly reduced.

The invention discloses a compound feed for chicks of yellow feather broilers. The compound feed consists of corn protein powder, a DDGS (Distillers Dried Drains with Soluble) feed, fish meal, soybean meal, cottonseed meal, wheat, corn, lard, heavy calcium carbonate powder and auxiliary additives, wherein the auxiliary additives consist of calcium hydrogen phosphate, methionine, salt, zeolite powder, choline chloride, phytase, aureomycin, sodium sulfate, broiler trace element additives, sodium butyrate, broiler multivitamin, Puqiu, antioxidant, Nuonong, threonine, xylanase, Lucantin red and lysine. The corn protein powder and natural yellow pigment are added in the compound feed to enable the broiler carcass coloring to reach the market requirements; the sodium butyrate is added in the compound feed to improve the daily weight growth, feed intake and feed conversion rate; and the xylanase is added in the compound feed, so that soluble lipid components are easier to take.

The invention discloses a south high moisture and hot region beef cattle rapid fattening culture method comprising four stages: beef cattle rapid fattening early stage preparation; beef cattle rapid fattening adaptation stage; beef cattle rapid fattening transition period; beef cattle rapid fattening later stage; the method also comprises a beef cattle cooling process, a beef cattle dermatopathy prevention process and a beef cattle enterogastritis prevention process. The method employs store cattle of 12-18 months, preferably uses castrated bulls, and the poise characteristics comprise the following: 300-400kg body weight, healthy growth, big physique, strong arms and legs, and anosis. The beef cattle cultured by the method can have fullness body muscles after fattening, the fur is bright, and average daily weight growth is obvious.

The invention relates to a composite premix for a pig, belonging to the field of premix. The premix provided by the invention comprises the following main ingredients of: vitamin A, vitamin D3, vitamin E, vitamin K3, vitamin B1, vitamin B2, vitamin B6, vitamin B12, nicotinic acid, D-calcium pantothenate, biotin, choline chloride, copper sulfate, ferrous sulphate, zinc sulfate, manganese sulfate, potassium iodide premix, sodium selenite premix, an antioxidant, a composite microbioecological agent, bentonite and rice chaff. The premix provided by the invention has the advantages of reasonable prescription, no addition of antibiotic, multiple probiotics and high viable bacteria content; and it is proved by an animal breeding laboratory that the composite premix has an ideal breeding effect and can ensure that the pig has a high yield, a fast weight growth and high meat ratio. The composite premix provided by the invention has a good promoting effect on pig growth and health condition, can satisfy requirements on the current broad masses of farmers, and is suitable for developing green and healthy breeding and producing pollution-free livestock products.

The invention relates to a preparation method of an oil-tea camellia meal protein polypeptide as an additive for functional feeds, comprising the following steps of, firstly, crushing a oil-tea camellia cake; secondly, removing saponin; thirdly, adding compound enzyme to carry out hydrolysis; fourthly, inactivating enzyme at the temperature of 80-90 DEG C for 5-15min; fifthly, carrying out centrifugal separation, and collecting supernate; sixthly, regulating a pH value of the supernate to be neutral; seventhly, filtering with a microporous membrane; and eighthly, carrying out low-temperature vacuum drying with the vacuum degree lower than 0.098MPa at the temperature of 35-55 DEG C to obtain the oil-tea camellia meal protein polypeptide. In the invention, the prepared oil-tea camellia mealprotein polypeptide has the relative molecular mass lower than 1000Da, belongs to small molecular peptides, is safe to eat without bitter taste and toxicity, has strong immuno-modulating activity, and can efficiently enhance the survival rate and the weight growth rate of raised animals. The method provided by the invention can comprehensively utilize the agriculture waste resources, change the wastes into valuable and be beneficial to environmental protection, and has the advantages of low production cost and remarkable economic and social benefits.

The invention relates to the field of feed, particularly to feed for juvenile black carps. The feed comprises the components in parts by weight as follows: 30-40 parts of green hay powder, 20-30 parts of cottonseed cake powder, 10-15 parts of soybean cake powder, 5-10 parts of rape seed cake powder, 5-10 parts of silkworm chrysalis meal, 5-10 parts of fish meal, 5-10 parts of barley flour, 0.1-1.0 part of multivitamins, 1-5 parts of a traditional Chinese medicine additive and 1-2 parts of mineral salt, wherein the traditional Chinese medicine additive comprises the components as follows: honeysuckle, rhubarb, garlic, pilose asiabell roots, manyprickle acanthopanax roots, silktree albizzia bark, coptis roots, radix astragali, fructus aristolochiae, blackberrylily rhizomes, tobacco, humifuse euphorbia herb, Chinese gall, Chinaberry roots, amur cork tree bark, medicated leaven, poria cocos, bentonite and malt. The feed has the benefits as follows: with the adoption of the feed, the survival rate of the black carps and the weight of adult black carps are increased effectively, the survival rate is up to 99.33%, the weight growth rate is also up to 55.59%, the feed coefficient is reduced, the conversion rate of the feed is increased, the cost is reduced, and the benefit is increased.

The invention discloses a broiler chick intestine healthcare compound feed which is prepared by the following raw materials of corn, expanded corn, bean pulp, wheat middling, expanded soybean flour, fermented bean pulp, corn protein powder, soybean oil, glucose, premix, lysine, methioine, baking soda, salt, calcium formate, mountain flour for feeds, calcium hydrophosphate, sodium butyrate, sodium humate, acidifier and enzyme preparation. According to the feed, the intestine health and the growth speed of the chicken are considered as a whole; the feed is comprehensive in nutrition and high in conversion rate, and has the effects of adjusting the intestines of the chicken, strengthening the constitution of the chicken, having high chick survival rate, high later-stage weight growth rate and good evenness and improving the culture benefit.

The invention relates to the field of feeds and in particular relates to a feed for young chubs. The feed comprises the following components in parts by weight: 3-8 parts of fish meal, 20-30 parts of bean pulp, 10-15 parts of rapeseed meal, 5-10 parts of cottonseed meal, 3-8 parts of brewers grains, 4-10 parts of wheat bran, 20-30 parts of inferior flour, 10-15 parts of rice bran, 1-5 parts of soya bean lecithin, 1-5 parts of rapeseed oil, 1-3 parts of monocalcium phosphate, 0.1-1.0 part of calcium powder, 0.1-1.0 part of choline chloride, 0.1-1.0 part of complex vitamin, 1-5 parts of a traditional Chinese medicine additive and 1-2 parts of mineral salt. The traditional Chinese medicine additive comprises the following components: triadica sebifera, honeysuckle, rheum rhabarbarum, garlic, codonopsis pilosula, manyprickle acanthopanax, corydalis tuber, cortex albiziae, rhizoma coptidis, radix astragali, rhizoma belamcandae, tobacco, humifuse euphorbia herb, schisandra chinensis, gallnut, melia azedarach, cortex phellodendri, medicated leaven, poria cocos, bentonite, malt and Chinese yam. The feed for young chubs has the beneficial effects that the feed can be used for effectively increasing the survival rate of chubs and the weight of the adult chubs; the survival rate reaches 98.33%; the weight growth rate reaches 80.42%; the feed coefficient is reduced; the conversion rate of the feed is increased; the cost is lowered; the benefit is increased.

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 discloses an application of andrographolide C to preparation of a weight-losing food or medicine and an application of a medicine composition composed of the andrographolide C which is used as an active component and a pharmaceutically-acceptable additive to preparation of the weight-losing food or medicine. According to the application, the technical prejudices in the prior art that andrographolide does not have the weight-losing effect are overcome and an application field of the andrographolide C is expanded. A cell experiment shows that the andrographolide C can inhibit the proliferation of 3T3-L1 preadipocytes through an oxidative stress way; the preadipocytes can be effectively prevented from being differentiated to fat cells and lipids in the fat cells are promoted to be decomposed. A mouse experiment shows that the andrographolide C has obvious effects on reducing the growth rate of body mass of a mouse, the food utilization rate and the in-vivo fat, and a dosage dependency relation is formed; the mouse blood glucose level and the serum cholesterol level can be effectively reduced, and the serum free fatty acid level and the oxidation resistance level are improved.

The invention discloses soluble compound doxycycline hyclate powder for animals and a preparation method thereof, which aim to provide compound doxycycline hyclate powder which is used for treating the mixed infection of swine plague mycoplasma pneumonia, has quick effect and can treat both symptoms and root causes, lighten stress reactions when pigs fall ill and improve the weight growth ratio, and a preparation method which has simple process and is easy to realize. The soluble powder comprises the following components by the weight percent: 1-20 of doxycycline hyclate, 0.5-5 of ofloxacin, 5 of aminophylline and the balance of anhydrous dextrose. The soluble compound doxycycline hyclate powder adopts antibiotics, antibacterial drugs and antiasthmatic drugs in a reasonable proportion so as to have multiple actions, can quickly ease clinic symptoms caused by the swine plague and the mycoplasma pneumonia, reduce damages caused by the two diseases to organisms, quicken the recovery, kill pathogens fundamentally, reduce the probability of the drug resistance of pathogenic microorganisms and treat both the symptoms and the root causes, and has quick effect.

The invention discloses a compound feed for Muscovy ducks. The compound feed consists of corn protein powder, a DDGS (Distillers Dried Drains with Soluble) feed, rice bran, meat and bone meal, wheat bran, cottonseed meal, wheat, corn, shell powder and auxiliary additives, wherein the auxiliary additives consist of heavy calcium carbonate powder, calcium hydrogen phosphate, methionine, salt, zeolite powder, choline chloride, phytase, sodium sulfate, meat duck trace element additives, sodium butyrate, meat duck multivitamin, nature yellow, xylanase, flavomycin, Lucantin red and lysine. The cornprotein powder and natural yellow pigment are added in the compound feed to enable the meat duck carcass coloring to reach the market requirements; the sodium butyrate is added in the compound feed to improve the daily weight growth, feed intake and feed conversion rate; and the xylanase is added in the compound feed, so that soluble lipid components are easier to take.

The invention discloses a method for establishing a leiocassis longirostris breeding dynamic feeding table, comprising the following steps of: 1. researching the dynamic relationship between the feeding level, the weight and the water temperature and the maximum feeding rate, the defecation rate, the excretion rate, the body heat gain, the standard metabolism and the activity metabolism in the energy budget expression through a growth experiment; 2. establishing an optimum feeding rate model of leiocassis longirostris on the basis of a bioenergetic model; and 3. inputting the breeding days, water temperature, the initial body weight of fishes, initial energy values of fish bodies, the feed protein level and the feed energy value by using a computer program, outputting the daily weight growth, the maximum daily feeding quantity and the optimum feeding quantity and forming the leiocassis longirostris breeding dynamic feeding table by calculation. The dynamic feed can accurately forecastthe daily growth and the daily feeding rate of the leiocassis longirostris in the breeding process under different environments in time, which not only cannot waste the feed to cause the cost increase and the secondary pollution of the feed, but also cannot influence the growth of fishes, caused by lack feeding of the feed.

The invention discloses a functional feed capable of restraining the gonadal development of pseudosciaena crocea and a preparation method of the functional feed. The formula of the fish feed comprises the following substances based on 1000 kilograms of the fish feed: super steam fish meal, flour, cottonseed meal, fish oil, corn protein powder, soybean meal, beer yeast, vital wheat gluten, phosphatide oil, squid soluble paste, hemoglobin meal, calcium dihydrogen phosphate, 3.35-5.35 kilograms of bentonite, 6-8 kilograms of castor seeds, trace elements of special fishes, a choline base additive, a mildewproof agent, complex vitamins of special fishes, a vitamin C type additive, an antioxidant, myo-inositol and carnitine. The fish feed disclosed by the invention not only can meet the normal growth requirements of the pseudosciaena crocea, but also can restrain the gonadal development of the pseudosciaena crocea on the basis that the character and the quality safety of the bred pseudosciaena crocea can be guaranteed, so that the weight growth of the pseudosciaena crocea is facilitated, and the breeding economic benefits are improved.

A method of improving the body weight growth of weaning pigs is disclosed comprising the step of providing a concentration of xylitol in the range of between 0.01 and 4% by weight in the weaning pigs' food where food is any substance with a nutritional value, including water.

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 invention relates to application of a mulberry extract in preparation of drugs for reducing body weight of an animal. The mulberry extract is characterized by containing alkaloids, polysaccharides, amino acids and flavones; and preferably, the mulberry extract contains the ingredients in weight content: 3%-99% of alkaloids, 0.2%-70% of polysaccharides, 0%-10% of flavones, 0%-50% of amino acids and 0%-25% of other ingredients. The mulberry extract disclosed by the invention can be used for controlling type 2 diabetes accompanying ponderal growth and has a good treatment effect on type 2 diabetes merged obesity.

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 present invention discloses a device for interchanging, disinfecting and purifying air in a henhouse. A blower which consists of a blower motor and blower blades is arranged outside the henhouse, and an air inlet, an air outlet, a return air pipe, a filter and an air adjusting switch are also arranged outside the henhouse. An ozonizer, a timer and a commutator are arranged on the housing of the blower which is connected with an air duct, an air separator and an air separating opening. A powerline is connected with the commutator and the blower motor through the timer and the ozonizer. The device can realize the air interchange inside and outside the henhouse, the ozonation treatment on the air which enters into the henhouse, and the sterilization and disinfection of the air inside the henhouse. Meanwhile, the device can draw out the vitiated air inside the henhouse to the outside of the henhouse or filter the vitiated air and then send the filtered air back into the henhouse, thereby ensuring the verdure of the air environment inside the henhouse, being favorable to health level and the disease resistance ability of chickens, and improving the weight growth rate and the oviposition period of layer chickens. The device is suitable for henneries or other poultry cultivations.

The invention belongs to the chemical industry, and relates to a preparation method of a water-soluble high molecular weight growth agent. The preparation method of the water-soluble high molecular weight growth agent uses methyl butenedioic acid and sodium 4-amino benzene sulfonate to react in a solvent to obtain a target compound shown as formula ( I ), and the reaction equation is as follows. The invention provides a new method for synthesizing 4,4'-methyl butenyl diamide bis(sodium benzene sulfonate) shown as formula ( I ), and the product with purity of more than 99% can be obtained and can be used as the water-soluble high molecular weight growth agent.

A method for captive breeding of pork pigs comprises the steps of selection and processing of a pig variety, preparation of a hog house, feeding management and slaughter preparation. The breeding method provided by the invention is sanitary and environment-friendly; the fresh environment of the hog house is fully ensured; the good environment is provided for pig growth; antibiotics are not used to the pigs during breeding; immunity of the pigs can be enhanced; the morbidity rate of the pigs is very low; weight growth is quick; muscles are firm; pigskin has a high collagen content; and the bred pigs have delicious pork quality and a very high amino acid content.

The invention relates to a calf early-stage fattening technology. The exercise amount of a calf is reduced and the fat deposition rate is increased by design a special byre. Energy and special dietary are added to calf feed to greatly increase the weight growth rate and the fat deposition rate of the calf. The biotechnologies are used to ensure healthy calf constitution and improve fatting effect. No drug or mineral additive containing heavy metal is used, so that calf beef is friendlier to environment, and the fatting quality is improved.

The invention discloses functional feed used for inhibiting growth of gonads of Nibea albifloras and a preparation method thereof. The fish feed comprises the following raw materials: super steamed fish meal, wheat flour, cottonseed meal, fish oil, corn protein powder, distiller's grain protein feed, bean pulp, beer yeast, vital gluten, phospholipid oil, squid ointment, spray-dried blood cells, monocalcium phosphate, bentonite, castor seed kernels, special fish microelements, choline, mildew preventive, special fish multivitamin, vitamin, antioxidant, inositol and carnitine, wherein every 1000 kg of raw materials contain 8.3 kg-9.85 kg of bentonite and 6.5 kg-8 kg of castor seed kernels. The fish feed is low in cost, and can effectively inhibit the growth of the gonads and the natural ovulation of the Nibea albifloras in the growth period of the gonads of the Nibea albifloras to promote weight growth and improves economic benefit of culturing. The preparation method of the fish feed is simple and convenient in operation and is beneficial for improving culturing efficiency.

The present invention discloses an adult larimichthys crocea health-care feed. The adult larimichthys crocea health-care feed consists of the following raw materials in parts by weight: 50-80 parts of imported fish meal, 50-100 parts of shrimp meal, 40-100 parts of high-gluten flour, 20-60 parts of fish oil, 20-80 parts of corn gluten meal, 20-100 parts of peanut meal, 10-60 parts of brewer's yeast, 20-70 parts of seaweed meal, 30-60 parts of vital gluten, 30-60 parts of lecithin oil, 20-50 parts of squid paste, 15-45 parts of alfalfa meal, 10-20 parts of soybean oil and 1-5 parts of phytase. The preparation method of the adult larimichthys crocea health-care feed comprises the following steps: (1) small material additive and large raw material preparing according to the recipe; (2) mixing; (3) puffing and granulating; (4) drying; and (5) painting and packaging. The adult larimichthys crocea health-care feed can ensure good growth of the larimichthys crocea, reduce phosphorus emissions in aquaculture water body, inhibit gonad development and natural ovulation of the larimichthys crocea, promote weight growth, improve the economic benefits of aquaculture, save feed costs, and are significant in environmental benefits.

The invention discloses a sending rate adjusting method of a poultry farming monitoring wireless sensor network based on an environmental perception learning strategy. The method comprises the following steps: establishing a model for an environment in which a wireless sensor network is located, and establishing a prediction model between an environment variable (such as temperature and humidity)and the growth state (weight growth rate, egg laying rate and death rate) of poultry; sensing the environment data by each sensor node, reasoning the poultry farming environment state by using a fuzzysystem, determining the mode of the node according to different environment states, and determining the transmission rate limit of the node; the optimal state of the network is further searched, andenabling the sensor node to use a Q learning algorithm to carry out adaptive adjustment on the own sending rate, wherein the sensor node counts the packet loss rate, the data effective rate, the dataintegrity and the energy consumption level of the sensor node as the input of a return function of Q learning, and selects the rate adjustment action of the current state. According to the embodimentof the invention, the network congestion is reduced, the overall service life of the network is optimized, and the method has a wide application value.

The invention discloses a functional feed capable of restraining the gonadal development of micropterus salmoides and a preparation method of the functional feed. The formula of the fish feed comprises the following substances based on 1000 kilograms of the fish feed: super steam fish meal, flour, cottonseed meal, fish oil, corn protein powder, soybean meal, beer yeast, vital wheat gluten, phosphatide oil, squid soluble paste, hemoglobin meal, calcium dihydrogen phosphate, 13.35-14.85 kilograms of bentonite, 6.5-8 kilograms of castor seeds, trace elements of special fishes, a choline base additive, a mildewproof agent, complex vitamins of special fishes, a vitamin C type additive, an antioxidant, myo-inositol and carnitine. The fish feed disclosed by the invention not only can meet the normal growth requirements of the micropterus salmoides, but also can restrain the gonadal development of the micropterus salmoides on the basis that the character and the quality safety of the bred micropterus salmoides can be guaranteed, so that the weight growth of the micropterus salmoides is facilitated, and the breeding economic benefits are improved.