64results about How to "Improve eating ability" patented technology

A rubber helical gearing cold feed extruder comprises a framework, on which a plastified segment cylinder, a feed segment cylinder, a feed device, a variable speed driving device and a motor are arranged in regular turn. An extruding screw penetrates through the plastified extruding segment cylinder and the feeding segment cylinder and is connected with the variable speed driving device. The feed device is a helical gearing feed device which is connected with one side of the feed segment cylinder through a fastening piece and comprises a spiral roller arranged in a supporting seat. The surface of the spiral roller is provided with spiral roller threads corresponding to screw thread lead or thread pitch in the feed segment cylinder. The thread direction of the spiral roller is opposite to the thread direction of the screw in the feed segment cylinder. The invention has reasonable structural design, improves the feed capability and the transmission capability of the extruder, the quality of extruded products, the production efficiency and the market competitive power of enterprises and reduces the manufacture cost.

The invention discloses a composite drill bit with a cutter blade provided with a cutter disk cutting structure, and belongs to the technical field of drilling equipment in petroleum and gas, mine engineering, building foundation engineering construction, geology, hydrology and the like. The composite drill bit with the cutter blade provided with the cutter disk cutting structure comprises a drill bit body, a fixed cutter blade and cutter disks. The drill bit body is provided with the fixed cutter blade, the fixed cutter blade is provided with fixed cutting teeth, and a range of a deflection angle alpha is 20 degrees <=|alpha|<= 90 degrees. The drill bit body is provided with at least one cutter disk cutting unit which is composed of the cutter disk, the cutter disk cutting teeth arranged on the cutter disk and a cutter disk shaft. The at least one cutter cutting unit is arranged on the fixed cutter blade. The cutter disk is connected with the fixed cutter blade in a rotating mode. Structural features of the cutter blade type drill bit are utilized sufficiently, and thus a geometry space of a drill bit cutting structure area is saved, combination property of the drill bit is improved.

The invention discloses a PDC drill tool with an alternating cutting trajectory, and belongs to the field of rock breaking tools for drilling equipment. The PDC drill tool with the alternating cutting trajectory comprises an eccentric shaft, an outer shell, a PDC drill and a cycloid shaft. The PDC drill is fixedly connected to the cycloid shaft, the cycloid shaft is matched inside the outer shell and can eccentrically rotate relative to the alternating trajectory, and an eccentric shaft section arranged on the eccentric shaft is matched in an inner cavity of the cycloid shaft to form a revolute pair. An inner flow channel of the eccentric shaft, an inner flow channel of the cycloid shaft and an inner flow channel of the PDC drill are communicated. By the adoption of the PDC drill tool, the alternating cutting trajectory movement can be made, the stratum eating-in capacity of the PDC drill can be improved remarkably, rock breaking efficiency is improved, the abrasion speed of cutting teeth can be better lowered, and in particular, the PDC drill tool has obvious technical advantages in a deep stratum which cannot be drilled easily and in a high hardness and high abrasiveness stratum.

The invention discloses an internal exhaust type parallel counter-rotating multi-screw extruder and relates to extrusion molding equipment using at least two screw rods which are not meshed with each other. The internal exhaust type parallel counter-rotating multi-screw extruder has the advantages of high extrusion pressure, enhanced plasticizing capacity, reduced energy consumption, remarkable energy saving effect, good feeding performance, exhaust performance and material overflowing prevention performance, and convenience in screw machining, and is suitable for various plastic and rubber machining. The internal exhaust type parallel counter-rotating multi-screw extruder is structurally characterized in that the left end of a main screw rod has a hollow structure, the built-in left end is fixed on an inner screw rod on an end cover, the direction of threads on the inner screw rod is opposite to that of threads on the main screw rod, the right end of the main screw rod is internally provided with an exhaust channel which is communicated with an exhaust channel in the inner screw rod, threads on the main screw rod corresponding to an auxiliary screw rod are single threads, other threads on the main screw rod are double threads, a first through hole connected with the exhaust channel is arranged in the main screw rod between two screw arrises of the double threads, a plurality of second through holes are arranged between the two screw arrises of the double threads on the main screw rod outside the inner screw rod, the end cover is provided with a melt outlet communicated with a cavity between the main screw rod and the inner screw rod, and the center of the end cover is provided with an exhaust port connected with the exhaust channel.

The invention discloses a side feed conveying system for conveying a filler with low bulk density, which comprises a hopper, a screw barrel connected with an extruding machine and a screw rod module, wherein the hopper is arranged above a feed opening of the screw barrel, the screw rod module is arranged inside the screw barrel, the hopper wall of the hopper is a sandwich structure comprising an outer layer and an inner layer, a gap between the outer layer and the inner layer is provided with a plurality of baffles, the bottom of the inner layer of the hopper wall is provided with an exhaust opening, and a hopper cover above the hopper wall is provided with a suction opening of an externally connected exhausting system. The side feed conveying system realizes good exhaust, increases the conveying capacity of the screw rod module, and avoids the situation of the accumulation of the filler in the hopper at the same time, thereby improving the accuracy of the feeding.

The invention discloses a composite type eccentric one-cone bit and belongs to the technical field of drilling devices for oil and gas, mine engineering, building foundation engineering construction, geology, hydrology and the like. The composite type eccentric one-cone bit comprises a bit body, a roller, a cone and a cone front fixed cutting structure, wherein cone cutting teeth are distributed on the cone, fixed cutting teeth are distributed on the cone front fixed cutting structure, a shaft neck is arranged on the bit body, the cone is in rotary connection with the shaft neck, the cone front fixed cutting structure is fixedly connected with the front end of the shaft neck, the deviation S exists between the axis of the shaft neck and the axis of the bit, an absolute value is larger than zero and smaller than or equal to d / 3, and the d is the outer diameter of the bit. By adopting the composite type eccentric one-cone bit, the hydraulic power condition of the bit can be improved while the rock breaking efficiency of the bit is improved, and the service life of the bit is prolonged.

The invention discloses a rock breaking tool capable of achieving cutting in an alternate trajectory. The rock breaking tool comprises a drill assembly and an outer shell group, wherein a cardan shaft assembly, a screw motor assembly and a bypass valve assembly are arranged in the outer shell group; the drill assembly is installed at the lower end of a lower shell to form rotary connection and is fixedly connected with the cardan shaft assembly by a screw; cutting teeth are fixed on a drill body. The rock breaking tool is characterized in that the axial tilt alpha is formed between the axis of rotation of the drill body and the axis of rotation of the outer shell group, so that revolution of the outer shell group is combined with rotation of the drill body, thus achieving cutting motion of the cutting teeth in the alternate trajectory; the cardan shaft assembly is directly connected with the drill body fixedly. The rock breaking tool has the beneficial effects that stable and reliable cutting motion of the cutting teeth in the alternate trajectory can be achieved, so that the penetration capacity of a drill on hard rocks can be obviously improved and then the rock breaking efficiency can be improved; meanwhile, a drill-screw drill composition structure is simplified, thus improving the well drilling safety and reducing the costs of well drilling tools.

The invention belongs to a fermentation feed for aquaculture, and particularly discloses an efficient feed capable of improving the fleshy taste of freshwater penaeus vanmamei. The efficient feed is characterized by comprising the following components in parts by weight: rice chaff, sodium iodide-enriched pickle fermentation liquid drying powder, coarse eucommia ulmoides powder, mannan oligosaccharide, nori polyphenol, loofah sponge, DHA micro-algal oil, pollens, propolis PM polypeptide hydrogel with a three-dimensional meshed structure, activated beer yeast powder and the like. Aiming at the demands of penaeus vanmamei for high quality, large quantity and efficient breeding, the invention provides columnar compactly fermented feed granules which are prepared by mixing a fermentation main material, glucosan, mannan oligosaccharide, nori polyphenol and the like and have spiral grooves in the surfaces; furthermore, the grooves are filled with waterproof materials at first, and the materials cover the outer layer of the whole product, so that the nutrition of the feed is guaranteed, the water resistance of the feed is improved, the dissolve-in-water rate is reduced, the loss is reduced, the attractant effect and the food taking effect are enhanced, the shrimp meat quality can be effectively improved, the yield can be increased, and efficient aquaculture is realized.

The invention discloses a waste GMT material recycling granulation method for a vehicle and a special device thereof. According to the device, the mixing characteristic of an internal mixer and the moldability of an extruder are fully utilized. The problem that continuous processing production cannot be realized by the internal mixer and the extruder is solved, the plastifying, melting and modifying uniformity of waste plastics is effectively improved, the material feeding capacity of the equipment is improved, and the device adapts to feeding of GMT material production leftover materials for vehicles which are not crushed in advance and also adapts to feeding of large waste GMT recycling parts for vehicles. Therefore, the waste plastics do not need to be ground, the hazards caused to the labor due to the noise and dust during crushing are avoided, the process steps are saved, and the production cost is reduced.

The present invention provides an Angora rabbit feed, which comprises, by mass, 35-40 parts of corn powder, 3-5 parts of sweet potato powder, 5-8 parts of soybean meal, 20-30 parts of alfalfa hay, 10-15 parts of green hay, 2-4 parts of setaria italica, 1-2 parts of dandelion, 1-2 parts of shell powder, 0.05-0.08 part of garlic, 0.1-0.3 part of chrysanthemum, 0.3-0.5 part of fish bone powder, 0.5-0.8 part of radix astragali, and 0.1-0.3 part of edible salt. The present invention further provides a preparation method of the Angora rabbit feed. The Angora rabbit feed of the present invention has effects of good palatability, effective Angora rabbit eating capacity increasing, Angora rabbit immunity enhancing, Angora rabbit hair generating rate improving, and hair removing quality improving.

The invention discloses bionic feed for frogs and a processing method thereof. The bionic feed is prepared from the following materials in parts by weight: 3-8 parts of wheat middling, 10-40 parts ofcorn protein powder, 11-31 parts of soybean meal, 3-15 parts of corn distiller, 1-5 parts of fish meal, 5-17 parts of shrimp meal, 5-25 parts of earthworm, 5-25 parts of flour weevil, 1-5 parts of premix and 7-25 parts of popping candy. The bionic feed disclosed by the invention has the advantages that the bionic feed is earthworm-shaped, and popping candy granules are sprayed to enveloped coatings of the feed, so that the feed can jump on the water surface, meet the feeding habit of frog animals and is suitable for improving the feeding effect of the frog animals; an extruding and expanding technology is also adopted for treating the bionic feed to guarantee that the frog animals can eat cured feed, so that the risk of diseases of animal bodies is reduced, and the producing performance ofthe animal bodies is improved; and simultaneously, beewax is adopted as a coating agent to envelop the feed, so that the dissolving amount of the feed in water is reduced, the whole storage time of the feed is increased, the feed is effectively prevented from being dissolved in water and the pollution degree of the feed to the water is reduced.

The present invention discloses a preparation technology of insect-tea. A polyrhachis vicina extract is added in a fermentation process of white tea leaves and can be absorbed by hydrillodes repugnalis larva in processes of eating the tea leaves. After the hydrillodes repugnalis larva absorb material components of the extract, the hydrillodes repugnalis larva are significantly enhanced in food intake ability, more rapid in growth, and less likely to die. The produced insect-tea is full in size, and fresh and bright in color and luster, contains more vitamins and trace elements than ordinary insect-tea, and is especially far more rich in selenium and zinc than the ordinary insect-tea, outstanding in health-care effects, unique in taste and long in aftertaste.

The invention discloses a large yellow croaker aquatic feed feeding device with water quality monitoring function. The device comprises an air pump room, an air pump is arranged inside the air pump room, a control panel is installed at the inner side of the air pump room, a feed conveying pipe is arranged at one side of the air pump, a feeding hopper is connected between the air pump and the feedconveying pipe, and a mounting plate is connected to one end of the feed conveying pipe. According to the device, a water quality monitoring sensor is arranged, so that water quality can be monitoredthrough the water quality monitoring sensor, thereby facilitating farmers to understand the water quality, and avoiding fish poisoning death caused by water quality deterioration; a sound-absorbing board and a silencer are arranged, so that noise generated by motor operation can be shielded through the sound-absorbing board and the silencer, thereby avoiding excessive noise to cause fish to be frightened, and further affect eating; and a photovoltaic panel is arranged, so that natural energy can be converted into usable resources through the photovoltaic panel, thereby reducing energy effect,reducing breeding cost, and increasing economic benefit.

The invention belongs to the technical field of medical nursing equipment, and particularly relates to a heat preservation type feeding device based on gastroenterology nursing. The device comprises atelescopic rod fixed on a sickbed and a heat preservation barrel fixed on the telescopic rod, wherein the top of the telescopic rod is fixedly connected with a placement plate; the heat preservationbarrel penetrates through the placement plate and extends to the bottom of the placement plate; a barrel cover is fixedly connected to the top of the heat preservation barrel in a threaded mode; a fixing frame is fixedly connected to the top of the barrel cover; a motor is fixedly connected to the interior of the fixing frame; and a rotating shaft is fixedly connected to the output end of the motor. Semi-liquid food is stirred, so that food residues accumulated at a discharge hole are displaced; and the food residues flow into a space among four connecting rods and are mixed with the liquid food, so that components in the food are uniformly distributed, the situation that the discharge hole is blocked by the accumulated food residues is avoided, a patient can eat the semi-liquid food uniformly, and the eating effect is improved.

The invention discloses a feeding cylinder with a single screw and double cones, comprising a feeding cylinder. The feeding cylinder with the single screw and the double cones is characterized in that the feeding cylinder is internally provided with an inner hole for installing the single screw, a feeding hole in a shape of a horizontal eight is arranged at one side of the feeding cylinder and is adapted to a discharge hole of a double cone forced feeding machine, and a plurality of cooling grooves are arranged on the outer surface at one end of the feeding cylinder. The invention changes a structure of the traditional feeding cylinder which feeds materials in a mode of material deadweight into a structure of arranging the feeding hole at one side of the feeding cylinder to be adapted to the double cone forced feeding machine, thereby increasing the feeding quantity of the double cone forced feeding machine to the feeding cylinder, enhancing the feeding ability of a single screw extruder and further improving the productivity and the production efficiency. The invention has the advantages of simple structure, convenient use and low maintenance cost and can be widely suitable for installation of the double cone forced feeding machine.

The invention discloses a polycrystalline diamond compact for a plastic stratum. The polycrystalline diamond compact comprises a polycrystalline diamond layer and a hard alloy matrix, wherein the rearend of the polycrystalline diamond layer is connected with the front end of the hard alloy matrix; an inner cavity which is concave inwards is formed in the middle of the end surface of the front endof the polycrystalline diamond layer; a boss which is convex forwards is arranged in the middle of the inner cavity; and a plurality of cutting high points which are convex forwards are arranged on the top of an annular cavity wall of the inner cavity. The inner cavity, the boss and the cutting high points which are used as the tops of cutting edges are arranged on the end surface of the front end of the polycrystalline diamond layer, the capability of the polycrystalline diamond compact for entering the stratum can be improved, plastic rock debris is easy to break, and the chip breaking anddischarging capability of the plastic stratum is improved. The polycrystalline diamond compact for the plastic stratum is particularly suitable for drilling of the plastic stratum and is also suitablefor drilling of a stratum of which the performance is close to that of the plastic stratum.

A rubber helical gearing cold feed extruder comprises a framework, on which a plastified segment cylinder, a feed segment cylinder, a feed device, a variable speed driving device and a motor are arranged in regular turn. An extruding screw penetrates through the plastified extruding segment cylinder and the feeding segment cylinder and is connected with the variable speed driving device. The feed device is a helical gearing feed device which is connected with one side of the feed segment cylinder through a fastening piece and comprises a spiral roller arranged in a supporting seat. The surface of the spiral roller is provided with spiral roller threads corresponding to screw thread lead or thread pitch in the feed segment cylinder. The thread direction of the spiral roller is opposite to the thread direction of the screw in the feed segment cylinder. The invention has reasonable structural design, improves the feed capability and the transmission capability of the extruder, the quality of extruded products, the production efficiency and the market competitive power of enterprises and reduces the manufacture cost.

The invention discloses a feed additive for crayfish bred in paddies and a preparation method and application of the feed additive, and belongs to the technical field of paddy breeding. The additive consists of the following Chinese herbal medicines in parts by weight: 5-18 parts of common andrographis herbs, 5-18 parts of sichuan lovage rhizomes, 5-18 parts of radix angelicae dahuricae, 5-18 parts of rhizoma cimicifugae, 5-18 parts of fleeceflower roots, 5-18 parts of radix isatidis, 5-18 parts of radix astragali, 5-18 parts of garlic, 5-18 parts of radix puerariae, 5-18 parts of Chinese yams, 5-18 parts of haws and 5-18 parts of Chinese wolfberry fruits. The feed additive can be made into preparations of different forms, and can be applied to the crayfish bred in paddies. The feed additive is prepared from the Chinese herbal medicines, the usage of chemical substances is reduced, and under the premise that the meat quality of the crayfish is increased, the paddies and the water quality of the paddies cannot be polluted. The feed additive improves the eating capacity and the immunity of the crayfish, so that the yield of the crayfish bred in the paddies can be increased.

The present invention provides an Angora rabbit feed, which comprises, by mass, 35-40 parts of corn powder, 3-5 parts of sweet potato powder, 5-8 parts of oats, 20-30 parts of alfalfa hay, 8-10 parts of carrot seedlings, 2-4 parts of Chinese wolfberry, 1-2 parts of honeysuckle, 1-2 parts of shell powder, 0.05-0.08 part of garlic, 0.1-0.3 part of beta vulgaris residue, 0.3-0.5 part of bone powder, 0.2-0.4 part of heartleaf houttuynia herb, and 0.3-0.5 part of edible salt. The Angora rabbit feed of the present invention has effects of good palatability, effective Angora rabbit eating capacity increasing, Angora rabbit immunity enhancing, Angora rabbit hair generating rate improving, and hair removing quality improving.

The invention relates to feed for promoting the growth of wool. The feed comprises 35 to 65 parts of nutrients, 0.5 to 2 parts of aminoethanethiol hydrochloride, 0.5 to 2 parts of sulfaguanidine, 1 to10 parts of calcium tablets, 1 to 10 parts of cellulase, 1 to 10 parts of urea, 1 to 10 parts of olive oil and 1 to 20 parts of methyl cellulose. Compared with the breed ewe in a control group, the breed ewe eating the feed has larger average weight gain, wool length and wool amount.

The invention discloses an integrated control method of lobster diseases, comprising the steps of (1) drying a pond in autumn, sterilizing, and planting Elodea nuttallii; (2) feeding lobsters with prepared herbal formula feed; (3) keeping cultivation water clear and transparent, with pH maintained to acidic; (4) keeping Elodea nuttallii in the culture pond to grow vigor; (5) purifying water with quick lime each year, once 7-10 days, 3-5 times in continuity; compared with the prior art, the integrated control method of lobster diseases provided herein has the advantages that the treatment measures herein are complementary and indispensable, the special herbal feed is used herein, the materials are strictly matched, main and auxiliary materials are clarified, the ingredients are synergic, feeding ability and immunity of lobster can be effectively improved, disease occurrence is decreased, and the yield is increased.

The present invention provides an Angora rabbit feed, which comprises, by mass, 38-45 parts of corn powder, 3-5 parts of sorghum powder, 3-5 parts of sweet potato powder, 5-8 parts of wheat powder, 20-30 parts of alfalfa hay, 10-15 parts of carrot seedlings, 2-4 parts of peanut shells, 1-2 parts of dandelion, 0.05-0.08 part of garlic, 0.1-0.3 part of pomelo peel, 0.5-0.8 part of hawthorn, and 0.1-0.3 part of edible salt. The present invention further provides a preparation process of the Angora rabbit feed. The Angora rabbit feed of the present invention has effects of good palatability, effective Angora rabbit eating capacity increasing, Angora rabbit immunity enhancing, Angora rabbit hair generating rate improving, and hair removing quality improving.

The invention discloses a polycrystalline diamond compact for a drilling and rock-breaking tool, which comprises a polycrystalline diamond layer and a cylindrical base body compounded with the polycrystalline diamond layer, wherein the side surface of the base body of the compact is provided with a groove, the groove consists of a cylindrical surface groove face and transition curve faces at the end parts of the cylindrical surface groove face, and the bus of the cylindrical surface groove face is parallel to the axial lead of the compact. The compact has the advantages that: the groove reduces the contaction chance between the side surface of the compact and rock; and when the compact is worn during cutting the rock, the groove can reduce the pressure-bearing area of the wearing surface at the bottom of the PDC compact and increase the specific pressure on the rock acted by the wearing surface at the bottom of the PDC compact, thus the capability of entering the stratum by the compact is enhanced and the rock-breaking efficiency is improved.

The invention provides a traditional Chinese medicine composition for improving the spontaneous delivery rate of sows. The traditional Chinese medicine composition for improving the spontaneous delivery rate of the sows is prepared from, by mass, 4-6 parts of radix angelica sinensis, 2-7 parts of medical stone, 2-4 parts of motherwort, 2-3 parts of semen plantaginis, 0-2 parts of pyrrosia leaf, 2-4 parts of gordon euryale seeds, 3-5 parts of common yam rhizome, 3-5 parts of Chinese wolfberry fruits, 2-6 parts of dried sea cucumbers, 4-7 parts of zinc-rich yeast, 3-7 parts of eucommia bark, 1-2 parts of malaytea scurfpea fruits, 1-3 parts of radix achyranthis bidentatae, 2-4 parts of astragali radix, 3-5 parts of poria cocos and 4-8 parts of licorice roots. The traditional Chinese medicine composition is prepared through the steps such as grinding, decoction, oscillation, concentration, drying and smashing, has the effects of protecting miscarriage, delivering, protecting the liver, tonifying qi, resisting bacteria, diminishing inflammation, providing nutrients, achieving health care and the like, is free of any toxic or side effect, improves the constitution of pregnant pigs from essentially, enhances the immunity and greatly improves the spontaneous delivery rate of sows.

The invention relates to the technical field of food calling type molasses feeds, and particularly relates to a food calling type glycolysis molasses feed. The food calling type glycolysis molasses feed comprises the following raw materials in parts by weight: 10 to 20 parts of molasses, 55 to 65 parts of coated base material, 1 to 5 parts of monocalcium phosphate, 1 to 3 parts of digestive enzyme and 1 to 4 parts of modified montmorillonite. According to the molasses feed disclosed by the invention, the molasses is used as a phagostimulant; the coated base material, the monocalcium phosphate, the digestive enzyme and the modified montmorillonite are used as feed main agents; the coated base material is blended with improved pectin through chitosan solution; the improved pectin forms pectin liquid through pectin; wollastonite is of a needle-shaped structure and can carry out perforation treatment on the pectin, so that the pectin and the chitosan solution have better permeability in the process of forming a coating agent; the coating base material can take a slow-release effect and continuously release the feed, so that the feed is continuously absorbed and digested in pig bodies, not only the food obtaining effect of the pigs is improved, but also the digestibility of the pigs is improved, and the growth vigor and quality of the pigs are improved.

The invention discloses a friction granulator, and relates to the technical field of film granulation equipment. A stirring disc is installed in a charging barrel, a first driving motor is in drivingconnection with the stirring disc, a discharging opening is formed in the bottom of the charging barrel and communicated with a screw barrel through a transition body, a screw is installed in the screw barrel, a second driving motor is in driving connection with the screw, a flange is fixed to one end of the screw barrel, and a fixed millstone is fixed to one side of the flange; a rotary millstoneis coaxially arranged at one side of the fixed millstone, the rotary millstone is installed in the box body through a bearing, a large belt wheel is installed at one end of the rotary millstone, thelarge belt wheel is connected with a small belt wheel through a belt, and a main motor is in driving connection with the small belt wheel; and the box body and the second driving motor are fixed on the rack. According to the friction granulator, the size of a plastic film can be greatly reduced, conveying and storage of the film are facilitated, the feeding capacity of an extruder is effectively improved, and therefore the yield of the extruder is increased.

The invention discloses a duck feed and a preparation method thereof. The feed is composed of the following raw materials in parts by weight: roxburgh rose residues, corn stalks, wheat straws, bran, soybean meal powder, sunflower meal, distillers' grains, mixed powder, washed sand, rape seed cakes, vegetable oil, a complexing agent, table salt and bacillus subtilis. The duck feed is prepared by silage preparation, fermentation material preparation, mixing, re-fermentation, granulation and packaging, and corn stalks and wheat stalks are fermented by utilizing waste roxburgh rose residues produced by a roxburgh rose processing factory to prepare the feed, the roxburgh rose residues, distillers' grains, soybean meal powder and sunflower meal are fermented together, so that the nutritional ingredients of the feed are improved, the flavor ingredients of the feed are increased, the eating property of ducks is improved, loss of part of nutritional substances in the fermentation process is effectively supplemented by additionally adding the nutritional substances, and the nutritional ingredients of the feed are guaranteed. The preparation method is simple in process and low in cost, and the prepared feed is rich in nutrition and can promote ducks to eat.

The invention discloses Chinese herbal medicine healthcare pellet fed for breeding of hybrid meat goslings. The feed comprises raw materials as follows: radix codonopsis, akebia stems, fennel, anacamptis pyoamidalis, a glucose liquid, corn flour, soybean meal, haw peel, lactic acid bacteria, bacillus, yeast, clostridium butyricum, amylase, glucoamylase, a slow release modifying aid, a digestion promoting aid, montmorillonite, molasses and flaxseed. The invention also provides a preparation of the Chinese herbal medicine healthcare pellet fed for breeding of hybrid meat goslings. The Chinese herbal medicine healthcare pellet fed for breeding of hybrid meat goslings contains rich nutrients and can improve the absorption efficiency of meat goslings for nutrient substances.

The invention discloses a breeding management method of white plymouth rocks. The breeding management method includes a breeding stage and a stocking stage. The white plymouth rocks are bred in a brooding shed at the breeding stage, and physiological properties of chickens and early epidemic prevention requirements are met, so that the survival rate of the chickens is ensured. The chickens are stocked after growing to 40 days at the stocking stage, stocking time is determined, and the stocking density and supplementary feeding are controlled. A supplementary feeding concentrate is prepared from corn flour, rape seed cakes, fish meal, shell powder, bone meal, wheat germ oil, membranous milkvetch roots, foldleaf daylily roots, cottonseed cakes, pine barks, dried sweet potatoes, broomcorn, sweet potato leaves, salt and garlic. The breeding management method combines a captive breeding method and a stocking breeding method, the physiological properties of the chickens and the early epidemic prevention requirements are met, ecological breeding food in natural environments is sufficiently utilized, breeding cost is reduced, physical activity level of the white plymouth rocks is increased, diseases and mutual pecked damage are decreased, and growing and fattening of the white plymouth rocks can be accelerated.

The invention discloses a feed for preventing and treating white spot syndrome of crayfish and a preparation method thereof. The feed for preventing and treating white spot syndrome of crayfish is prepared from the following raw materials: Aralia echinocaulis, hedera helix, sapium sebiferum seeds, dioscorea bulbifera, spina gleditsiae, dandelions, venenum bufonis, brine shrimp eggs, fish viscera,tartary buckwheat, coix seeds, red bean powder, egg white, pork livesr, sheep tails, fresh ginger, liquorice and sugar. By feed preparation, preparation of mixed powder, blending and granulation, thefeed for preventing and treating white spot syndrome of crayfish is prepared. By adding traditional Chinese medicines, the feed has the effects of resisting viruses and enhancing immunity, can effectively prevent and treat white spot syndrome of crayfish, remarkably improve the physique and increase the yield of crayfish. Meanwhile, nutritional components of tartary buckwheat and coix seeds are fully exerted by immersing tartary buckwheat and coix seeds in the viscera boiling liquid for germination, palatability of the feed is improved through fishy smell of the pork liver and the sheep tails;fish visceral particles and brine shrimp eggs are added to cover the smell of traditional Chinese medicines and improve palatability of the feed and enhance the eating property of crayfish; the appearance color of the feed is changed by adding brown sugar to make the feed more attractant; and the nutritional components and palatability of the feed are further improved by adding duck egg white. The feed is rich in nutrition, good in effect and low in price.