2313 results about "Broiler" patented technology

The present invention belongs to the field of poultry feed technology, specifically to a meat large chicken feed and method for preparing the same. The meat large chicken feed is composed of the following components by weight parts: 30-80 parts of corn, 0-30 parts of wheat, 5-40 parts of bean pulp, 0-10 parts of peanut meal, 0-10 parts of cotton meal, 2-8 parts of corn protein powder, 0.5-5.0 parts of lipid, 1.0-6.0 parts of hypo-powder, 0.5-2.0 parts of mountain flour, 0.5-2.0 parts of calcium hydrogen orthophosphate, 0.2-0.4 parts of salt, 0.1-1.0 parts of complex vitamin; 0.1-1.0 parts of complex trace elements, 0.05-0.5 parts of micro-ecological formulation, 0.01-0.2 parts of Chinese herbal medicines additives, and 0.01-0.2 parts of phytase. The inventive meat large chicken feed has high digestibility, nutrient balance, low harmful components, and high security, so that the resistance of broiler chickens is increased and the pollution to the environment is significantly reduced.

The invention provides livestock feed which takes nutlets, dried vegetables, dried fruits and Chinese herbal medicines as a livestock feed component and a livestock drinking water component and a livestock feeding method. The livestock feed containing the nutlet components comprises livestock feed and livestock drinking water. The livestock feed is characterized in that the livestock contains the nutlet components, wherein the nutlets comprise shelled melon-seeds (A3), peanut kernels (A4), perillaseeds (A15), sesame seeds (A25) and sesame (A34), and the number of nutlet components in the feed is greater than or equal to 1 but less than or equal to 16. Livestock comprises laying hens, broilers, dairy cattle, cattle, laying ducks and meat ducks. The livestock feed comprises a feed component (A), a feed component (B), a universal component (T), standard feed (M) and mixed feed (X). The livestock drinking water comprises a drinking water component (C), a drinking water component (D), a universal component (T), standard drinking water (W) and mixed drinking water (Y). Livestock is fed by using the livestock feed and livestock drinking water, so that the quality of eggs and milk can be improved, the quality of meat can be improved, and a great economical benefit can be brought to the livestock breeding industry.

The invention discloses a mixed feed of young broiler chickens and a preparation method of the feed. The mixed feed comprises various raw materials including corns, bean pulp, wheat bran, distillers dried grains with soluble (DDGS), wheat, rapeseed dregs, rice bran, soya-bean oil, three-worm powder, fish meal, wheat compound enzyme, salt and Chinese herbal medicine additives. The preparation method comprises the steps of crushing, burdening, granulating and spraying. The mixed feed has the beneficial effects that the disease resistance and the survival rate of the young broiler chickens can be improved, the nutritional requirements of the young broiler chickens can be met, the palatability and the digestibility are high, and the production performance of the young broiler chickens is improved.

The invention discloses a compound feed for 0-21-days-old broiler chicken and a preparation method of the compound feed. The compound feed is prepared from various raw materials of corn, flour, soybean meal, 60% of corn protein powder, soybean oil, limestone, calcium hydrophosphate, salt, antimicrobial peptide for the poultry, choline chloride, methionine, threonine, lysine, compound enzyme of corn and soybean meal, premixed vitamin compound, premix compound of trace elements and traditional Chinese medicine addictives. The preparation method for the compound feed comprises the following steps of: weighing all raw materials; putting the raw materials into a pulverizer to be pulverized; putting the pulverized raw materials into a mixer to be uniformly mixed; and granulating the mixed raw materials in a granulator after mixing. The compound feed has the beneficial effects that the compound feed disclosed by the invention is added with the traditional Chinese medicine addictives, so thatthe compound feed can meet the all nature requirements of the green food, diseases can be prevented, the immunity of the organism is enhanced, and the production performance of the broiler chicken can be improved so as to create favorable social value and economic benefits.

The invention discloses a gas grill with multiple enhancements to allow for easy grilling of foods, subsequent clean-up, and replacement of parts. In lieu of a top-opening lid, the apparatus provides a plurality of removable and insertable drawers, comprising a plurality of burner units, a plurality of grill trays, and a drip tray located in a vertical configuration therein a base unit. All drawers are interchangeable as desired. A storage compartment is located on the bottom directly below the drip tray and an exhaust assembly is located on the top for directing smoke away from the apparatus. The invention is adaptable to propane or natural gas. Additional drawers and burner assemblies are provided and may be used for charcoal or wood burning, bun or food warming, and water steaming. All drawers are easily removable on slides with a safety catch system for easy care and cleaning.

The invention provides feed for improving growth performances of broiler chickens. The feed comprises a main feed ingredient, bone meal, rapeseed meal, monocalcium phosphate, vitamin E, vitamin K, pantothenic acid, lysine, methionine, threonine, sodium butanoate, enzyme additives, probiotics additives, microelement additives and Chinese medicinal herb additives. The feed can well solve the problem that the feed digestion capability of the broiler chickens is poor, effectively controls pathogenic microorganisms, promotes digestion and immunity of the broiler chickens in the growing process, improves growth performances of the broiler chickens, reduces morbidity and mortality of the broiler chickens and reduces medicine residue rate of antibiotics and chemical synthesis medicines in the broiler chickens.

The invention discloses a broiler chicken breeding method and special feed traditional Chinese medicine addition agents thereof. According to the breeding method, during the age of 1-10 days of broiler chickens, the feed traditional Chinese medicine addition agents improving immunity of the broiler chickens are added to feeding feed; during the age of 11-19 days of the broiler chickens, the feed traditional Chinese medicine addition agents preventing respiratory diseases of the broiler chickens are added to the feeding feed; during the age of 20-29 days of the broiler chickens, the anti-virus feed traditional Chinese medicine addition agents are added to the feeding feed; during the age of 30-42 days of the broiler chickens, the feed traditional Chinese medicine addition agents promoting growth of the broiler chickens are added to the feeding feed; and adding proportion of the addition agents in the feeding feed is 0.3-1% of the total weight of the feed. The broiler chicken breeding method and the special feed traditional Chinese medicine addition agents thereof have the advantages of using the traditional Chinese medicine feed in the whole process, improving disease-resistant capacity of the broiler chickens, promoting growth and development of the broiler chickens, and being low in production cost, simple to produce and use, remarkable in use effect, and free from drug residue and adverse effect.

The invention provides a Chinese herbal medicine feed additive for chickens and a preparation method and application thereof. The preparation method comprises the following steps: using a plurality of natural Chinese herbal medicines as raw materials, crushing the Chinese herbal medicines in the formulation, leaching the effective components in the Chinese herbal medicines, adding the prepared additive the amount of which is 0.5 to 4 weight percent of the feeding mass in daily feeds for various chickens, feeding the chickens after stirring evenly, and discontinuously adding feed in the whole process. The feed additive has the advantages that the raw materials are scientific and reasonable, the preparation process has strong operability, and the prepared additive has the characteristics of trace, high efficiency, favorable palatability, safety and non-toxicity, can promote growth and development of the chickens remarkably, advances the marketing time, and reduce feed cost; the feed additive has the functions of excellent bacteria resistance, stress resistance and immunity improvement, reduces the occurrence of plagues, realizes healthy and non-resistant breeding in the whole process, and can produce green and good-quality chicken products without medicament residues.

The grass fragrance chicken feed formula, comprising nutrient feeds and Chinese herbal medicine additives wherein the nutrient feeds comprises bean pulp, corn, bran and the Chinese herbal medicine additives comprise clove, nutmeg, galingal, cinnamon, dahurian angelica, pepper, aniseed, common fennel, round cardamom, dried old orange peel, amomun fruit, spice leaf, haw, Jianqu, malt sprout, rice sprout, radix salviae miltiorrhizae, dyers woad leaf, honeysuckle flower, forsythia fruit, radix Isatidis, rhizoma dryoteris crassirhizmae, astragalus root, pseudostellaria root, characterized in that: the weight percentage of the nutrient feeds and the weight percentage of the Chinese herbal medicine additives are determined according to the different growth date of chicken. Compared with the prior technique, the flavors of the meat chicken and eggs are improved and edible without adding seasonings with a certain health care function.

A broiler pan includes a pan body having a surface provided with a screw bore, a grease draining pipe mounted on a bottom of the pan body and connected to the screw bore of the pan body, and a control screw releasably mounted in the screw bore of the pan body and rotatable relative to the pan body. Thus, the control screw is unscrewed from the screw bore of the pan body to connect the grease draining pipe to the screw bore of the pan body, so that the grease in the receiving chamber of the pan body in turn flows through the screw bore of the pan body into the grease draining pipe and is drained outwardly from the grease draining pipe.

The invention discloses a preparation method of a broiler feed. The broiler feed belongs to the field of feeds. The broiler feed provided by the invention is prepared from high-quality white corn, bean cake, rape seed cake, cottonseed cake, barley, broomcorn, alfalfa meal, fish meal, mountain flour, plant oil, edible salt, traditional Chinese medicine additive agents, sodium bicarbonate, trace elements, allicin, phytase and vitamin C through the technology of crushing, mixing, granulating, drying and the like. The feed is rich in nutrition, has good mouthfeel, can meet the nutrition need of broilers in a growing period after being taken by the broilers so as to enable broilers to guide qi downward, be good in digestion and be clam, also has the effects of accelerating broilers to grow, and improving the chicken flavor and daily gain, is high in disease resistant capability, and is high in safety.

A device for the feeding of poultry including a bowl device comprising a feed bowl, a cupola suspending the feed bowl, and a downpipe. The feed bowl is located beneath the downpipe and the cupola is formed from grid bars. The downpipe comprises an inner cylinder and an outer cylinder encompassing the inner cylinder. The outer cylinder is guided in a rotatable, a raisable and a lowerable manner on the inner cylinder. The bowl device includes at least one lifting stop for delimiting a lifting and lowering path of the bowl. The outer cylinder and the inner cylinder is comprised in each case of adjacent cylinder sections co-axial to each other, whereby face peripheral areas of the cylinder sections turned towards each other are connected to one another by bridging elements which bridge a gap area which corresponds to an interval distance between the cylinder sections.

The invention relates to a heartleaf houttuynia herb livestock and poultry feed additive, which comprises the following components in part by weight: 25 to 40 parts of heartleaf houttuynia herb, 20 to 40 parts of pine needle, 10 to 20 parts of indigowoad root, 10 to 20 parts of astragalus, 5 to 10 parts of honeysuckle flower and 10 to 20 parts of dandelion. The heartleaf houttuynia herb livestock and poultry feed additive has the advantages of: (1) special effect on common diarrheal disease of livestock and poultry, prevention protection rate of over 99 percent and mortality of zero; (2) average daily gain of 0.74 kilogram in the whole course feeding process of live pigs, which is improved by 7.2 percent compared with that of a blank control group of 0.69 kilogram, and improvement of feed conversion rate of over 9.7 percent; and (3) average daily gain per broiler of 43.7 grams, which is improved by 5.3 percent compared with that of the blank control group of 41.5 grams, and improvement of feed conversion rate of 5.9 percent.

The invention relates to a broiler feed comprising wheat bran, corn grit, fish meal, broken egg crepe pieces, rice bran, bean dregs and a traditional Chinese medicine feed additive. The traditional Chinese medicine feed additive comprises spreading hedyotis herb, Chinese violet, rhizoma kaempferiae, dahurian patrinia herb, common selfheal fruit-spike, heartleaf houttuynia herb, baical skullcap root, indigowoad leaf, liquoric root, pilose Asiabell root, membranous milkvetch root, Chinese angelica, maifanite, Chinese magnoliavine fruit, south dodder seed, barbed skullcap herb and fructus forsythiae. The feed additive disclosed by the invention combines the dual actions of being medicinal and nutritive, and can be used for preventing diseases, improving the production performance, directly sterilizing and inhibiting bacteria and further regulating the immune functions of organisms; the feed additive with a non-specific antibacterial effect can be used for greatly increasing the fattened stock of chickens and the yield of chicken meat; furthermore, the meat is tender and delicious and the flavor is unique; and the harm to the chicken caused by chemicals and the side effects indirectlyaffecting the food safety are eliminated, the pure natural requirement of green foods can be achieved, and good economic benefits can be obtained.

The invention discloses a Chinese medicinal herb additive for meat chickens and application. The Chinese medicinal herb additive comprises heterophylly falsestarwort root, nutgrass galingale rhizome, amur corktree bark, coptis root, medicated leaven, sanguisorba, hawthorn, Indian Buead, officinal magnolia bark, largehead atractylodes rhizome, tangerine peel, malt, indigowoad root, swordlike atractylodes rhizome, indigowoad leaf, cyrtomium fortune, chatoyancy and calamus; and mixture of the compositions is added with calcium bicarbonate, phytase, mulitivitamin for birds and lysine. The Chinese medicinal herb additive effectively promotes absorption of nutrient, can resist bacteria and virus, strengthen immunity of the meat chickens, effectively prevents bird flu, has obvious curative effect on diseases having respiratory tract symptoms as the major symptom, and has inhibiting function on familiar newcastle disease, colon bacillus, Pasteurella, enteritis, diarrhea, feather pecking, hair shedding, anus pecking, coccidiosis and the like. The additive cannot restrict the growth and disease resistance of the meat chickens, the meat quality of the meat chickens fed by the additive is obviously better than that of the meat chickens fed by the prior feed additive, the average daily gain of the meat chickens is improved by 23 to 28 percent than that of the meat chickens fed by the prior feed additive, the cultivation cycle is obviously shortened, and no harmful substance is deposited.

The invention relates to a chicken-in-meat compound feed which consists of the following raw materials (kilogram) every 1000 kilograms: 520-660 of corn, 75-95 of bean pulp, 52-70 of rice bran, 46-66 of rice bran dreg, 30-56 of corn albumen powder, 20-35 of cottonseed dreg, 20-35 of flour, 30-50 of evaporated and dried fish powder, 10-13 of stone powder, 8-12 of vegetable dreg, 9-15 of peeled bean dreg, 8-12.2 of secondary powder, 6-9.2 of bean oil, 4-7 of bran, 3-4.8 of calcium hydrophosphate, 2.9-4.5 of diaminocaproic acid, 1-2.5 of goldenrod, 1-1.7 of salt, 0.5-1 of concave-convex stick soil, 0.8-1.2 of chicken micro-elements, 0.8-1.5 of methionine, 0.5-1 of choline, 0.2-0.3 of chicken multi-dimensions, 0.2-0.3 of threonine, 0.1-0.2 of phytase and 0.05-0.12 of carophyll red. The chicken-in-meat compound feed further optimizes the prescription, improves the absorption rate of the feed in animal body due to sufficient nutrient balance, furthest uses the limited resources, and reduces the discharge capacity, so that the chicken fed with the compound feed tastes good and fresh.

A cooking apparatus having a waste heat recovery system for incorporation into broilers, ovens, and toasters, the apparatus including a cooking chamber having a cooking platform, at least one air plenum disposed in the upper portion of the cooking chamber and having a plurality of air outlets for producing a focused forced air, a low pressure air source connected to the air plenums, a heating element or burner disposed under each of said air plenums, such that said curtain of focused forced air guides and directs heat from said heating element toward food product being cooked, and heat exchange pipes disposed between at least two of said air plenums. Radiant heat generated from the heating elements or burners rises in the cooking chamber and is retained between the air plenums to maximize heat transfer from the heated air to the heat transfer pipes, and thus to the low pressure air in the low pressure air system. The recycled heat enhances cooking.

A method for preparing solid natto bacillus microecological agent by solid fermenting is disclosed, which belongs to the biological engineering technique field. The strain is separated from natto as natto bacillus which is named as Bacillus natto S703 and the preservation number of the strain is CCTCC M207147. The sieving method comprises the following steps: utilizing the character that the natto bacillus produces natto kinase to do dilute flat separation for natto leach, seeding the obtained single colony in the primary sieving culture medium of the flat which contains fiber, selecting single colony to purify and obtain the fitful natto bacillus according to the size of transparent coil diameter and colony diameter. The strain is inoculated in the solid ferment culture medium which comprises bran, soya bean waste, corn starch, dipotassium hydrogen phosphate and magnesium sulfate, which can produce the natto bacillus microecological agent by solid fermenting, drying and grinding. The prepared natto bacillus microecological agent can be chicken feed, which is provided with obvious modification for daily chicken weighing, feed coefficient and survival rate.

The invention discloses broiler chicken feed. The broiler chicken feed comprises: by weight, 50 to 60 parts of corn flour, 15 to 20 parts of wheat flour, 5 to 8 parts of peanut meal, 5 to 8 parts of cottonseed meal, 22 to 26 parts of soybean meal having crude protein content more than 48%, 3 to 6 parts of corn protein powder, 0.5 to 1 part of fish meal, 1 to 2 parts of bone meal, 1 to 2 parts of feed-grade calcium hydrophosphate, 0.3 to 0.8 parts of lard oil, 0.2 to 0.4 parts of table salt, 0.1 to 0.3 parts of choline chloride, 0.1 to 0.2 parts of lysine, 0.1 to 0.2 parts of methionine, 2 to 4 parts of garlic powder, 0.4 to 0.8 parts of multiple vitamins, 0.5 to 1 part of origanum oil, 0.1 to 0.5 parts of freeze-dried orange powder, 15 to 25 parts of fresh brewer's grain, 2 to 5 parts of lucerne meal, 3 to 5 parts of rose petal powder, 0.1 to 0.4 parts of vinegar-immersed medical stone powder, 0.5 to 1 part of frangipane petal powder, 1 to 2 parts of sunflower seed powder and 4 to 6 parts of traditional Chinese medicine additives. The broiler chicken feed improves a feed utilization rate, reduces a feed conversion ratio and promotes broiler chicken growth.

The invention discloses a method for stocking high-quality broiler chickens in an understorey purse net manner. The method comprises the steps of: 1. selecting a forest land; 2. dividing the forest land, building a barton shed; 3. carrying out understorey adaptive raising; and 4. carrying out understorey stocking. Chicks need to be brooded for 35 days to 40 days before the time of stopping heat supplication, after the birth for 0-22 days, the chicks are fed by using a chick feed containing 21 percent of protein in a qualified factory, and fed for above 8 times every day within one week. According to the method, the understorey purse net stocking is adopted, foods, such as grasses in the forest land, and fresh air, sufficient sunshine, and proper temperature and humidity in the forest land are fully utilized, and because of factors such as small density of raised chickens in the forest land, free movement of the chickens, and few emergencies, the chickens are healthy, and are strong in premonition; and diseases can be effectively reduced, the quality and the quantity of the excellent-quality broiler chickens are ensured, and the market competitiveness is enhanced.

The invention discloses a method for breeding novel high-efficiency superior yellow-feathered broilers. The method comprises the following breeding steps: a Chinese local variety strain with high growing speed, yellow feather, neat and uniform body and appearance and even body weight is selected as a terminal male parent of the broilers; an individual with yellow feather, precocity property, high egg-laying rate and high uniformity is selected to be taken as a first female parent of the broilers; a strain with yellow feather, grain-saving property, short stature genes, laying rate of 90% during peak period and neat and uniform body and appearance is selected as a first male parent of the broilers; the first male parent cock and the first female parent hen are hybridized to form a second female parent of the novel broilers; the second female parent has yellow feather, can save grain by 25% when compared with common high-quality cocks and hens, and has average egg-laying rate above 10% higher than that of common high-quality hens; and the terminal male cock and the second female hen are hybridized, so as to obtain the commercial high-efficiency superior yellow-feathered broilers.

A flexible automatic broiler and method of use for variable batch cooking for particular use in quick serve and fast food service restaurants. The automatic cooking devices include a conveyorized cooking surface for alignment and discharge of food products, an altering / pulsating infrared energy radiation heat sources, and a control system. The arrangement and method facilitate a combination of batch preparation and made-to-order assembly of fast-food sandwiches.

The present invention relates to the field of feed formula design, specifically to a novel green broiler chickens complete feed and technique of preparing the same. A safe, pollution-free novel green broiler chickens complete feed of the invention is composed of the following components by weight parts: 55 -60 parts of corn, 10 -20 parts of dehulled bean pulp, 2 -3 parts of corn protein powder, 2 -3 parts of corn alcohol dreg, 2 -5 parts of cottonseed meal, 2 -8 parts of Chinese herbal compound preparation, 0.3-0.4 parts of multi-vitamin, 0.2 parts of composite trace elements. Thebroiler chickens complete feed develops a novel pollution-free non-drug residue green broiler chickens complete feed by adding Chinese herbal compound preparation. The broiler chickens fed by the feed greatly enhances immune function, greatly enhances the immunity against the disease and substantially improves the survival rate.

The invention relates to a production method of bacillus subtilis antimicrobial lipopeptide and application thereof in feeds, belonging to the fields of feed additives and the biotechnology. The production method of the bacillus subtilis antimicrobial lipopeptide comprises the following steps of carrying out amplification culturing on an acillus subtilis fmbj seed culture medium, inoculating by 2-5 percent at the temperature of 28-35 DEG C, deeply fermenting 5000L of fermentor liquid for 30-48h, then extracting, and carrying out spray drying after concentration or directly carrying out spray drying to produce an antibacterial peptide product. The antimicrobial lipopeptide is added into basic daily feeds for broilers by a certain titer, thereby enhancing the feed utilization ratio and having better effect on growing development and immunity strengthening of broilers. The bacillus subtilis is a safe microorganism, and an antibacterial product thereof has high safety. In addition, compared with flavomycin used in the traditional broiler feeds, the bacillus subtilis antimicrobial lipopeptide has better effect and has an important significance on replacing feed antibiotic addition and guaranteeing food safety.

The invention relates to a young pigeon feed, which is obtained by mixing the following raw materials by weight: 20-45% of broiler feed material, 5-20% of corn, 5-10% of pea, 5-10% of bean cake, 1-3% of hemp seed, 6-12% of red soil, 2-4% of bentonite, 8-15% of yellow sand, 2-4% of salt, 2-8% of milk powder, 5-20% of bean meal, 1-3% of bone meal, 2-6% of edible oil, 1-2% of baking powder, 2-5% of phagostimulant, 2-6% of composite trace element, 1-5% of composite vitamin and 1-3% of additive, wherein the additive contains one or two of mannosylerythritol lipid or rhamnolipid. By addition of nutrient components of the young pigeon feed such as the additive, phagostimulant and the like, the feed disclosed by the invention is improved in taste, has a comprehensive nutrition, stimulates appetite of young pigeons and is beneficial to the growth of young pigeons.

The invention provides a method and a device for identifying server broiler chicken. The method for identifying the server broiler chicken comprises the following steps: carrying out denial of service attack identification on an access request sent to a host machine so as to determine attack sources launching the denial of service attack; storing the information of the attack sources into a generated attack source list in a preset data format; obtaining the network protocol address ip of a server; judging whether the ip address belongs to the attack source list, if yes, determining the server to be broiler chicken. Through the application of the technical scheme, the attack sources for denial of service attack are identified, a data list of massive attack sources is formed, the server becoming the broiler chicken is identified according to the comparison result of the IP address of the existing server and the data in the attack source list, the advantages of big data are utilized, the identification is reliable and accurate, and the threat of broiler chicken server to network security can be reduced.

The invention discloses a formula feed of broilers and a preparation method thereof. The formula is as follows: 50-65% of corn, 0-2% of fishmeal, 20-25% of soya bean meal, 0-3% of corn protein powder, 0-1% of whole hen egg, 0-5% of wheat middling, 0-5% of rice pericarps, 0-5% of rice bran, 0-3% of cottonseed meal, 0.5-1.5% of bean oil, 0.1-0.3% of acidulant, 0.05-0.1% of sodium butyrate, 0.03-0.05% of compound enzyme preparation and 1.5-2% of compound premix. The feed is prepared by the steps of removing impurities from raw materials, grinding raw materials, weighing raw materials, mixing raw materials, palletizing and packing finished products, etc. in sequence. The invention selects the additives which promote the broilers to grow and develop and the feed materials which improve the immunocompetence, etc. The feed product has moderate metabolic energy value, high nutrition level and good palatability, is easy to digest and absorb and is easy to satisfy the nutritional requirements of 1-7 days of growth, therefore, the broilers grow fast and have high disease resistance, low mortality and low feed coefficient, and the coefficient of the formula feed is 0.8-0.9.

A broiler special feed, relating to animal feed technology, comprises a main ingredient, a fodder, animal ingredients and Chinese herbal additives, wherein the main ingredient is 80% (by mass), the fodder is 5% (by mass), the animal ingredients are 10% (by mass), and the Chinese herbal additives are 5% (by mass). Compared with the conventional feed, the feed in the present invention contains components of Chinese herb. The Chinese herbal additives and the feed carrier acting in a combined manner ensures the normal nutritional requirements of laying ducks, prevents and cures diseases, improves the immunity of laying ducks, and promotes the growth of laying ducks. The broiler special feed has characteristics of non-toxic side effects, no drug-resistance generation, no environmental pollution, promotion of body resistance, rapid acting and low prices.

A device for feeding poultry kept in a barn, comprises at least one food supply tube (1) which is held above the floor of the barn such as to be able to be lowered or raised, with a series of branch openings, each provided with a dish device (2) hanging on the supply tube, comprising a dropping tube extending from the branch opening and a feeding dish (4) arranged below, the dropping tube with a spoked arrangement of lattice bars (5) forming the cup of the dish. The dropping tube comprises an inner cylinder (7) leading off from the branch opening and an outer cylinder (8) surrounding the inner cylinder, from which the dish hangs by means of the lattice bars, such as to be placed on the floor of the barn in the lowered state of the food supply tube. The outer cylinder runs on the inner cylinder such as to rotate, be raised or lowered and at least one stop is provided for limiting the raising and lowering stoke. The outer and the inner cylinder each comprise adjacent cylindrical sections (8′, 8, 7′, 7) coaxial to each other, whereby front face regions of the cylinder sections turned to face other are connected to each other by means of bridging bodies (9, 23), which bridge a gap region corresponding to the separation between the cylinder sections.

The invention relates to a method for raising free range broiler chickens in a forest. According to the method for raising the free range broiler chickens in the forest, a piece of forest which is on the lee side, is exposed to the sun and has a sufficient water source is selected, fences are arranged around the forest to prevent the chickens from being killed and lost, and the put volume of young chickens is 80-85 per mu; chicken coops and management facilities are built in the forest, a chicken coop is built every 2-3 mus of field, and the area of each chicken coop is 40-45 square meters; the chickens are put in the forest for feeding in the day time and are driven to the chicken coops at night; feed is put at fixed positions in the forest so that the chickens can eat feed freely; winter protection and warm keeping measures are taken in winter and the early spring, and heatstroke prevention and cooling measures are taken in summer. By means of the method for raising the free range broiler chickens in the forest, pure natural Chinese herb extracts which have no residue and have both a nutrition effect and a drug effect serve as feed additives, the quality of the free range broiler chickens raised in the forest is improved, the disease-resistant and antibacterial ability of the chickens is reinforced, and the broiler chickens gain weight rapidly.